A graph titled Position versus time for with horizontal axis time (seconds) and vertical axis position (meters). A straight blue line runs with an upward slope from 0 seconds 3 meters to 4 seconds 15 meters.
The starting position of this object is
m.
The object is traveling at a velocity of
m/s.
Answers
Final answer:
The question involves analyzing a position vs. time graph to determine the object's starting position at 3 meters and its velocity, which is calculated as 3 m/s based on the slope of the line.
Explanation:
The question pertains to analyzing a position vs. time graph of an object in motion to determine its starting position, velocity, and other characteristics of its motion. Given the description of a graph where a straight blue line runs with an upward slope from 0 seconds at 3 meters to 4 seconds at 15 meters, we can infer several key details about the object's movement.
The starting position of this object is 3 meters. This is inferred from the graph's indication that at 0 seconds, the object is at 3 meters.
The object is traveling at a velocity calculated from the slope of the line on the position vs. time graph. The velocity can be found using the formula velocity = (final position - initial position) / (final time - initial time). Substituting the given values, velocity = (15 meters - 3 meters) / (4 seconds - 0 seconds) = 12 meters / 4 seconds = 3 m/s.
This scenario highlights the concepts of initial position, velocity, and the relationship between slope on a position vs. time graph and the velocity of an object in motion.
the instantaneous speed at 2 seconds is **0 m/s** since the position remains constant, and the average speed over the entire trip is **1 m/s** based on the information provided by the position-time graph.
To determine the instantaneous speed at 2 seconds and the average speed over the entire trip from the given position-time graph with three straight segments, we can analyze the information provided. Here's how we can approach this:
1. **Instantaneous Speed at 2 Seconds**:
- Since the graph provides position values at specific time points, we can find the instantaneous speed at 2 seconds by looking at the slope of the graph at that point.
- At 2 seconds, the position is not explicitly given. We can infer it based on the straight segments. The position remains constant at 12 meters from 4 seconds to 6 seconds.
- Therefore, at 2 seconds, the position is 12 meters. To find the instantaneous speed, we need to calculate the slope of the line connecting the points at 2 seconds and a nearby point, which is 4 seconds.
- The change in position is 12 meters - 12 meters = 0 meters (since the position remains constant), and the change in time is 4 seconds - 2 seconds = 2 seconds.
- As a result, the instantaneous speed at 2 seconds is 0 meters per 2 seconds = **0 m/s**.
2. **Average Speed over the Entire Trip**:
- The average speed over the entire trip can be calculated by dividing the total distance traveled by the total time taken.
- The object travels from 0 meters to 12 meters (12 meters) and then back to 0 meters (12 meters total distance). The total time taken is 12 seconds (0 to 12 seconds).
- Therefore, the average speed over the entire trip is 12 meters / 12 seconds = **1 m/s**.
In summary, the instantaneous speed at 2 seconds is **0 m/s** since the position remains constant, and the average speed over the entire trip is **1 m/s** based on the information provided by the position-time graph.
The probable question maybe:
A graph titled Position versus time for with horizontal axis time (seconds) and vertical axis position (meters). The line runs in 3 straight segments from 0 seconds 0 meters to 4 seconds 12 meters to 6 seconds 12 meters to 12 seconds 0 meters.
Use the graph to determine the instantaneous speed at 2 seconds.
m/s
What is the average speed over the entire trip?
Related Questions
Match each form of energy with its description.
Answers
Answer:
Fruit hanging is gravitational potential ( not moving making it potential and in the air so gravitational)
A box moving is kinetic (moving in the direction of the force mean kinetic)
The sand feeling warm is thermal (thermal means heat)
The lightning is electrical (self explanatory)
Radio waves is the last one I can’t see what it say
A child squeezes a pillow over his ears during a thunderstorm. Which wave
interaction helps decrease the sound of the thunder?
A. Reflection
B. Destructive interference
C.Constructiveinterference
D. Absorption
Answers
A 5.0 kg object moving at 5.0 m/s. KE = mv2 times 1/2
Answers
Answer: KE = 62.5J
Explanation:
Given that
Mass of object = 5kg
kinetic energy KE = ?
velocity of object = 5m/s
Since kinetic energy is the energy possessed by a moving object, and it depends on the mass (m) of the object and the velocity (v) by which it moves. Therefore, the object has kinetic energy.
i.e K.E = 1/2mv^2
KE = 1/2 x 5kg x (5m/s)^2
KE = 0.5 x 5 x 25
KE = 62.5J
Thus, the object has 62.5 joules of kinetic energy.
10. Which of the following is one of the Four Elementary Forces? *
A. Tension
B. Vector
C. Newton
D. Gravity
Answers
Answer:
D
Explanation:
D is the only answer that makes sense as tension is the state of being stretched tight, vector is a quantity having direction as well as magnitude, and Newton is a person.
How is lightning formed with explanation l?
Answers
NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
do you think the sea-surface temperatures are warmer or cooler due to the melting water?
Answers
Answer:
warmer
Explanation:
I really think it just gets hot
Answer:
It would be cooler I believe
Explanation:
What is the current through a 75 W lightbulb when it is connected to a standard (110 V) line?
Answers
Explanation:
P = IV
75 W = I (110 V)
I = 0.68 A
Click on the image. A science student wants to make an electromagnet using a copper wire wrapped around an iron bar, as shown in the image. What should the student do next?
- a. Connect the wire to a bulb
- b. Heat the wire around the bar
- c. Send a current through the wire
- d. Touch the ends of the wire together
Answers
Explanation :
The student will send a current through the wire after the wrapping of the copper wire. Option A is correct.
What is electromagnet?An electromagnet is a magnet whose magnetic field is generated by an electric current. Wire coiled into a coil is used to make electromagnets.
A current flowing through the wire produces a magnetic field that is focused in the hole, which serves as the coil's co
The Student wants to make an electromagnet using a copper wire wrapped around an iron bar. The student will send a current through the wire after the wrapping of the copper wire.
Hence option A is correct.
To learn more about the electromagnets refers to the link:
https://brainly.com/question/13803241
Sound is a form of ____ which produces a sensation of hearing in our ears
Sound waves are ______waves.
Answers
Answer:
energy and electromagnetic
Explanation:
I this example: Convection, Radiation, or Conduction
The kitchen gets warm when someone uses the oven.
Answers
Convection
becuse thats what the oven uses
Answer: Radiation
Explanation:
Radiation is like for example the sun gives out the radiation from it's heat and for the example you have the heat from the stove is warming the house up from it's radiation waves.
In the diagram below, the planets' relative distances from the Sun are shown. The sizes of the planets are not drawn to scale.
Jupiter
Uranus
Mercury Earth
Sun
Venus Mars
0
Saturn
Neptune
Which of the following planets most likely has the coldest surface temperature?
A. Venus
B. Mars
C.
Saturn
D. Mercury
Answers
Final answer:
Saturn, being one of the outer planets far from the Sun, has much colder surface temperatures compared to the inner planets like Venus, Mars, and Mercury, making it the most likely to have the coldest surface temperature among the options provided.
Explanation:
The planet most likely to have the coldest surface temperature among the options provided (Venus, Mars, Saturn, Mercury) is Saturn. Surface temperatures on planets decrease with increasing distance from the Sun because the planets are heated by the Sun's radiant energy, which diminishes with the square of the distance. Saturn, being far from the Sun, has much colder temperatures compared to the inner planets.
Furthermore, planets like Jupiter, Saturn, Uranus, and Neptune are giant gas planets with substantial distances from the Sun, leading to much lower surface temperatures. Given Saturn's greater distance from the Sun compared to Venus, Mars, and Mercury, it is the planet most likely to have the coldest surface temperature among the options.
Based on the given options, Mars is the planet most likely to have the coldest surface temperature.
To determine which planet most likely has the coldest surface temperature based on the given diagram and options provided, we can consider the distance of each planet from the Sun and its effect on surface temperature:
1. **Mercury**: Being closest to the Sun does not necessarily mean it has the hottest surface temperature. Despite its proximity, Mercury has extreme temperature variations due to its lack of atmosphere to retain heat.
2. **Venus**: While Venus is closer to the Sun than Earth, it has a thick atmosphere that traps heat, resulting in a very high surface temperature making it one of the hottest planets in our solar system.
3. **Mars**: Mars is farther from the Sun than Earth and has a thin atmosphere, which leads to colder surface temperatures compared to Venus and Earth. It experiences colder conditions due to its distance and atmospheric composition.
4. **Saturn**: Saturn is a gas giant planet, and its distance from the Sun results in very cold temperatures in its upper atmosphere. However, the question specifically asks about the surface temperature, and gas giants like Saturn do not have a solid surface to measure a surface temperature.
Based on the given options, **Mars** is the planet most likely to have the coldest surface temperature. It is farther from the Sun than Venus and has conditions more conducive to lower temperatures compared to the other listed planets.
Sort the following according to how fast sound will travel through the medium from slowest to fastest: liquid, solid, gas *
4 points
liquid, solid, gas
gas, solid, liquid
solid, liquid, gas
gas, liquid, solid
Answers
a supertanker traveling at 7.2 m/s (about 12 mph) decelerates to a halt in 12 min. Calculate the magnitude of its average deceleration in meters per second squared.
Answers
Answer: 0.01 m/s2
Explanation:
Given that:
Velocity of supertanker = 7.2 m/s (about 12 mph)
Time taken = 12 min
(Since the SI unit of time is seconds, convert 12 minutes to seconds
1 minute = 60 seconds
12 minutes = 12 x 60 = 720 seconds)
Average deceleration = ?
Recall that deceleration is obtained by dividing velocity by time taken.
i.e Deceleration = velocity / time
Deceleration = 7.2 m/s / 720 seconds
= 0.01 m/s2
Thus, the magnitude of its average deceleration is 0.01 meters per second squared.
Tom left for his friend's house. He drove 60 km in an hour. When he got to John's house, he wondered how fast he had been driving. What formula would he use to determine his speed?
Answers
Answer: Tom drove 60 km/hr fast
Speed = Distance traveled / time taken
Explanation:
Given that:
Distance traveled by Tom = 60 km
Time taken by Tom = 1 hour
Speed = ?
Since speed is obtained by dividing distance traveled by the time taken, hence the formula to use is as follows:
speed = distance / time
Speed = 60 km / 1 hour
Speed = 60 km/hr
Thus, Tom had been driving 60 km/hr fast, using the formula "speed = distance / time"
The mass of Venus is____times that of the Earth.
3/4
0.82
1.12
0.68
(pls help ASAP!)
Answers
Answer:
0.82
Explanation:
Random thing I just happened to remember
Answer:
0.82
Explanation:
Whereas Earth has a mean radius of 6,371 km and a mass 5,972,370,000 quadrillion kg, Venus has a mean radius of about 6,052 km and a mass of 4,867,500,000 quadrillion kg. This means that Venus is roughly 0.9499 the size of Earth and 0.815 as massive.
A 9-volt battery is connected in series to two identical lightbulbs. The current in the circuit is 5 amps. What is the
power output of the battery?
watts
Answers
Answer:
45 Watts
Explanation:
I just got it right
Answer:
45 watts
Explanation:
right on edg. 2021
A popular and dangerous circus act is the human cannonball, in which a person is shot from a cannon. Suppose the cannon has a barrel that is 3.05 m long and 16700 J of work done to accelerate the acrobat. What is the force exerted by the cannon on the acrobat?
Answers
The force of about 5.47 kN will be exerted on the acrobat by the cannon.
Explanation:
If work is done on the system which is acrobat for the present case, then the ratio of work done to the distance of the contact force medium can give us the force exerted on the acrobat or system.
As here the cannon is the source of force and it has a barrel of 3.05 m that means the cannon ball should travel the distance of 3.05 m to reach the acrobat and it has done a work of about 16700 J to accelerate the cannon ball. So as per Newton's third law of motion, the force gained by the cannon ball due to the work done on it will be equal to the force exerted on the acrobat by the cannon.
Thus, as work done is the product of force with displacement. Here the force experienced by the cannon ball will be the ratio of work done to the distance covered by the cannon ball.
[tex]Force = \frac{Work done }{Distance} = \frac{16700}{3.05} = 5,475 N.[/tex]
So, the force experienced by the cannon ball is 5.47 kN and the same force will be exerted on the acrobat.
Thus, the force of about 5.47 kN will be exerted on the acrobat by the cannon.
Final answer:
To find the force exerted by the cannon on the acrobat, use the formula Work = Force × Distance. Substitute the given values and calculate the force to be 5475.41 Newtons.
Explanation:
Force exerted by the cannon on the acrobat:
To calculate the force exerted by the cannon on the acrobat, we use the formula Work = Force × Distance. Given that 16700 J of work is done to accelerate the acrobat over a distance of 3.05 m, we can find the force by dividing the work by the distance: Force = Work / Distance.
Substitute the values:
Work = 16700 JDistance = 3.05 mCalculate the force:
Force = 16700 J / 3.05 m = 5475.41 N
Therefore, the force exerted by the cannon on the acrobat is 5475.41 Newtons.
Identify the characteristics of protists. Check all that apply.
Answers
Answer:
There are no examples
Explanation:
Answer:
these are the examples, then , u have to pick which ones are animal-like protists.
stationary
able to move using specialized structures
typically autotrophs
unicellular
Explanation:
What electromagnetic waves are used in these applications?
Diagnosing illnesses:
Warming and cooking food:
Transmitting data from remote controls to televisions:
options are infrared waves
microwaves
radio waves
Answers
The correct electromagnetic waves for the given applications are Diagnosing illnesses: Infrared waves, Warming and cooking food: Microwaves and Transmitting data from remote controls to televisions: Infrared waves
Let's elaborate on each application:
1. Diagnosing illnesses: Infrared thermography, also known as thermal imaging, uses infrared waves to create an image of the body's heat distribution. This can reveal areas of increased heat, which may be indicative of inflammation, infection, or other conditions. Infrared waves are a part of the electromagnetic spectrum with wavelengths longer than visible light and can penetrate the skin to some extent, making them suitable for this application.
2. Warming and cooking food: Microwaves are a form of non-ionizing electromagnetic radiation with wavelengths longer than those of infrared waves but shorter than radio waves. Microwave ovens use these waves to agitate water molecules in food, causing them to vibrate and generate heat, which cooks or warms the food. The frequency used in microwave ovens is specifically chosen to resonate with water molecules, making it efficient for heating.
3. Transmitting data from remote controls to televisions: Infrared waves are used for short-range communication between devices like remote controls and televisions. The remote emits a beam of infrared light that is modulated to carry information, such as the command to change the channel or adjust the volume. The television's infrared receiver detects these signals and processes them accordingly. Infrared is chosen for this application because it is simple, reliable, and does not interfere with other electronic devices.
MATHPHYS PLEASE HELP IT SAYS ITS WRONG
Answers
Answer:
0.833 J
Explanation:
The initial kinetic energy of the spike is:
KE = ½ mv²
KE = ½ (0.52 kg) (3.7 m/s)²
KE = 3.56 J
23.4% of this energy is converted to internal energy.
U = 0.234 (3.56 J)
U = 0.833 J
What do waves transfer from place to place?
a) motion
b) energy
c) matter
d) water
Answers
Answer:
motion transfer from place to place
The standard wave format for any wave is
a a transverse
b a longitudinal
c an electromagnetic
wave. When depicting
a a transverse
b a longitudinal
c an electromagnetic
wave in standard wave
format, the direction of motion must be rotated by 90 degrees. Only one of two waves is shown at a time when placing
a a transverse
b a longitudinal
c an electromagnetic
wave in standard wave format
Answers
The standard wave format for any wave is transverse wave. When depicting longitudinal wave in standard wave format, the direction of motion must be rotated by 90 degrees. Only one of two waves is shown at a time when placing an electromagnetic wave in standard wave format.
Answer:
Transverse wave and Longitudinal wave and Electromagnetic wave
Explanation:
what are three processes in the body that are fueled by chemical potential energy?
Answers
In one town, there are several natural gas drilling sites. Scientists warn town officials that the health of the people could be affected by the natural gas wells, so in an effort to protect its citizens, the town temporarily prevents builders from developing homes and businesses within two miles of the drill sites.
This example demonstrates how science can be used to inform decision making at the ______ level.
A.
international
B.
national
C.
community
D.
state
Answers
Answer:
C. community
Explanation:
Community consists of a local residence, like a town.
Answer:
C - Community (if wrong try D )
Explanation:
I would go with c because national addresses the whole and State addresses that whole state that only the town has that problem Usa while C while only address the town since the problem is only affecting one town
if you put something like a piece of cardboard between a magnet and an iron nail the magnets to hold the nail in place even though the magnet is not touching the nail explain how that happens
Answers
Answer:
Explanation:
Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.
Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.
What is Magnetic force?One of the four fundamental forces of nature, the electromagnetic force, results in the magnetic force, which is brought about by the motion of charges.
When two charge-containing objects move in the same direction, a magnetic attraction pulls them together. Similar to this, there is a repulsive force between charged objects travelling in opposing directions.
We discovered how moving charge envelops itself with a magnetic field in our essay on magnetic fields. The magnetic force in this sense is a force that results from interacting magnetic fields.
Therefore, Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.
To learn more about Magnetic force, refer to the link:
https://brainly.com/question/3160109
#SPJ5
A diver steps off a diving platform. How fast will she be moving when she
reaches the water 10.0 m below?
A. 7.00 m/s
B. 9.90 m/s
c. 14.0 m/s
D. 196 m/s
Answers
Answer:
C. 14.0 m/s
Explanation:
[tex]v_0=0\\a=g=9.9.8\\h=10\\v_f=?[/tex]
[tex]v_f^2=v_0^2+2a \Delta h\\v_f=\sqrt{v_0^2+2a \Delta h}\\v_f=\sqrt{0+2(9.8)(10)}\\v_f=\sqrt{196}\\v_f=14[/tex]
The diagram shows monochromatic light passing through two openings.
What do the areas labeled X and Y represent?
constructive interference in which waves cancel each other out
constructive interference in which waves strengthen each other
destructive interference in which waves cancel each other out
destructive interference in which waves strengthen each other
Answers
Answer: constructive interference in which waves strengthen each other
Explanation:
Answer:
destructive interference in which waves cancel each other out
Explanation:
right on edge
Which is a property of ionic compounds?
O soft and brittle
O low boiling point
O able to conduct electricity
o low melting point
Answers
Answer: able to conduct electricity
Explanation: refer to pic
Ingrid is moving a box from the ground into the back of a truck. She uses 20 N of force to move the box 5 meters. If she uses an inclined plane to reduce her force to 10 N which of the following statements will be true?
A. She will decrease the amount of work done.
B. She will make her work efficiency 100 percent.
C. She will increase the distance the box moves.
D. All of the above.
Answers
I think the right answer is of option A.
Explanation:
Inclined plane multiplies the applied effort.So,the force applied become less.
Hope it will help u...:)
10. A car starts from rest at a stop light and reaches 20 m/s in 3.5
s. Determine the acceleration of the car.
a) 2.2m/s2
b) 7.0m/s2
c) 5.7m/s2
d) 70m/s2
Answers
Acceleration= Final velocity-initial velocity
——————————————
Time
A=20 m/s
———- = 5.7 m/s2
3.5 s