A bicycle and a rider with a combined mass of 110 kilograms are traveling at a speed of 8 meters per second. What is the kinetic energy of the bicycle and the rider?
KE= 1/2 mv2

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.

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

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

Answer:

energy and electromagnetic

Explanation:

Answer:

motion transfer from place to place

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:

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.

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...:)

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.

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.

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:

Answer:

a,e,d

Explanation:

i got it right when i was doing study island

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]

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 student will send a current through the wire after the wrapping of the copper wire. Option A is correct.

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

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

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.

Answer: 329.28 m/s

Explanation:

Given that:

Distance of sound = 823.2 m

Time taken for sound = 2.5 seconds

The speed of traveling sound = ?

Speed is obtained by dividing the distance travelled by the time taken for the travel.

Speed = Distance / time

Speed = 823.2m/2.5 seconds

Speed = 329.28 m/s

Thus, the sound traveling as fast as 329.28 m/s

Answer:

340 Hz

Explanation:

The frequency of a wave is the number of oscillations completed by the wave per second.

For a wave, the relationship between wavelength of the wave and its frequency is given by the wave equation:

[tex]v=f\lambda[/tex]

where

v is the speed of the wave

f is its frequency

[tex]\lambda[/tex] is its wavelength

In this problem, we have a sound wave, with wavelength of

[tex]\lambda=1m[/tex]

The speed of sound waves at room temperature is

[tex]v=340 m/s[/tex]

Therefore, using the previous equation, we can find the frequency of the wave:

[tex]f=\frac{v}{\lambda}=\frac{340}{1}=340 Hz[/tex]

The frequency of the sound wave with a wavelength of 1 meter in room temperature air would be approximately 343 hertz (Hz).

To find the frequency of a sound wave when given its wavelength, we can use the formula for the speed of sound in a medium, which is given by:

[tex]\[ v = f \times \lambda \][/tex]

where [tex]\( v \)[/tex] is the speed of sound in the medium, [tex]\( f \)[/tex] is the frequency of the sound wave, and[tex]\( \lambda \)[/tex] is the wavelength of the sound wave.

We know that the speed of sound in room temperature air (which is approximately 20°C or 68°F) is about 343 meters per second (m/s). The wavelength [tex]\( \lambda \)[/tex] given in the question is 1 meter.

Rearranging the formula to solve for frequency[tex]\( f \)[/tex], we get:

[tex]\[ f = \frac{v}{\lambda} \][/tex]

Substituting the known values into the equation:

[tex]\[ f = \frac{343 \text{ m/s}}{1 \text{ m}} \] \[ f = 343 \text{ Hz} \][/tex]

Therefore, the frequency of the sound wave with a wavelength of 1 meter in room temperature air is 343 Hz. This frequency corresponds to a pitch that is slightly higher than the B4 note on a musical scale, which is close to the upper limit of what most people can comfortably hear.

Answer: able to conduct electricity

Explanation: refer to pic

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  

Answer:

B

Explanation:

edg

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:

Calculate 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.

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.

Answer:

B

Explanation:

As the wave continues down its path, it picks up energy from the water and wind if it is blowing relative to its direction.