The wavelength in water is approximately 4.41 times larger than the wavelength in air.
Explanation:In order to calculate the ratio of the wavelengths in water and in air, we need to use the formula:
ratio = speed of sound in water / speed of sound in air
Given that the speed of sound in water is 1500 m/s and the speed of sound in air is 340 m/s, we can substitute these values into the formula: ratio = 1500 m/s / 340 m/s = 4.41
Therefore, the wavelength in water is approximately 4.41 times larger than the wavelength in air.
The wavelength in water is approximately 4.4 times larger than in air.
To find the wavelength of a sound wave in a given medium, one can use the formula:
[tex]\[ \lambda = \frac{v}{f} \][/tex]
where [tex]\( \lambda \)[/tex] is the wavelength, [tex]\( v \)[/tex] is the speed of sound in the medium, and [tex]\( f \)[/tex] is the frequency of the sound wave.
Given that the frequency [tex]\( f \)[/tex] of the sound wave is 100.0 Hz, we can calculate the wavelength in water and in air using their respective speeds.
First, calculate the wavelength in water:
[tex]\[ \lambda_{\text{water}} = \frac{v_{\text{water}}}{f} = \frac{1,500 \text{ m/s}}{100.0 \text{ Hz}} = 15 \text{ m} \][/tex]
Next, calculate the wavelength in air:
[tex]\[ \lambda_{\text{air}} = \frac{v_{\text{air}}}{f} = \frac{340 \text{ m/s}}{100.0 \text{ Hz}} = 3.4 \text{ m} \][/tex]
To find out how many times larger the wavelength in water is compared to the wavelength in air, we divide the wavelength in water by the wavelength in air:
[tex]\[ \text{Ratio} = \frac{\lambda_{\text{water}}}{\lambda_{\text{air}}} = \frac{15 \text{ m}}{3.4 \text{ m}} \approx 4.4 \][/tex]
which of the following astronomical bodies is the highest in hierarchy
earth
galaxy
solar system
star
Answer:
Galaxy
Explanation:
The astronomical body which is the highest in hierarchical order is the Galaxy.
The order of the astronomical body from the Highest to Lowest include
:Universe, galaxy, solar system, star, planet, moon and asteroid.
In the example above , the order of hierarchy from highest to lowest is Galaxy, Solar system, Star, Earth(planet).
One atom has 14 neutrons. Another has 13 neutrons. Both have 13 protons. These atoms are...
A. isotopes
B. different elements
C. Molecules
D. Ions
Frequency = 1/T
Based on the equation, determine what happens to the period, T, as the frequency increases
Answer:
the answer is B decreases
Explanation:
Why can't we see all types of waves in the electromagnetic spectrum?
In the equation for Hooke’s Law, F = –kx, the term k represents the spring constant of a spring. True or False
the answer is True
the table shows information about the moons of mars what is the orbital period of deimos?
A. 0.0806 days
B. 0.798 days
C. 1.26 days
D. 1.59 days
#please #asap
The table shows information about the moons of mars what is the orbital period of Deimos 1.26 days.
What is time period?The amount of time a given astronomical object takes to complete one orbit around another object.
The table is missing, however I found the value of the orbital time period of Deimos on the web:
t = 30.4 hours
So, 30.4 hours. With a simple proportion we can convert it in days:
1 d: 24 h = x : 30.4 h
from which we find
x = 1.26 day
So, 1.26 days,
The table shows information about the moons of mars what is the orbital time period of Deimos 1.26 days.
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How does the capacitance of two identical capacitors connected in series compare to that of one of the capacitors?
When driving at night switch to low-beams whenever you come within ___ ft of an oncoming vehicle.
A. 300
B. 500
C. 200
Answer:
500 ft
Explanation: One must dim their high-beam lights when the oncoming vehicle is 500 ft away so that the oncoming driver can look clearly and drive safely. High beam light should be used at night to drive safely when one is not able to see ahead of the road clearly. Even for the most experienced drivers low visibility is an issue.
You should switch to low-beams when you come within 500 feet of an oncoming vehicle when driving at night to avoid blinding other drivers, equivalent to about 1.5 American football fields.
Explanation:When driving at night, it is recommended to switch to low-beams whenever you come within 500 feet of an oncoming vehicle. This is important as it helps to prevent blinding the other driver with your vehicle's headlights, making the roads safer for everyone. To put the distance into perspective, 500 feet is approximately the length of 1.5 American football fields.
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A soccer ball has 1200 j of kinetic energy and a mass of o.8 kg what is the speed of the ball when it is kicked
you decide to measure the mass of an aircraft carrier in the CGS system.What unit does your measurement end up in?
8. A 0.500 kg model rocket is initially pushed upwards by a thrust force of 15N. If the force of air resistance is 1.00 N, what is the initial acceleration of the rocket?
Answer:
a = 18.19 [tex]m/s^{2}[/tex]
Explanation:
Given
Mass of the rocket m = 0.500 kg
upward force [tex]F_{up}[/tex] = 15 N
Air Resistance [tex]F_{Res}[/tex] = 1.00 N
Solution
Net force = Upward forces - downward forces
Net force = Upward force - (air resistance + weight)
[tex]F_{net} = x_{up} -(F_{Res} +mg )\\\\F_{net} = 15 -( 1 + 0.5 \times 9.81)\\\\F_{net} = 15 - (1+ 4.905)\\\\F_{net} = 9.095[/tex]
Net acceleration
[tex]a = \frac{F_{net} }{m} \\\\a = \frac{9.095 }{0.5}\\\\a = 18.19 m/s^{2}[/tex]
Which happened after the electromagnetic and weak nuclear forces were separated from the unified force?
The separation of the electromagnetic and weak nuclear forces from the unified electroweak force led to distinct electromagnetic and weak forces as the universe cooled, which contributed to the conditions necessary for the formation of nucleons.
Explanation:After the electromagnetic and weak nuclear forces were separated from the unified electroweak force, the universe progressed towards the age of nucleons where leptons and hadrons, including protons and neutrons, were in thermal equilibrium. The electroweak force, which combined the electromagnetic and weak nuclear forces at very high temperatures and densities present in the early universe, broke into distinct forces as the universe cooled down. This occurred shortly after the strong nuclear force had already separated from the electroweak force. Importantly, the electric and magnetic forces, despite being different aspects of the single electromagnetic force, remain unified and do not separate under cooler conditions because they rely on each other.
Please answer as soon as possible!
A 3.0 cm object is 12.0 cm from a convex mirror that has a focal length of 20.0 cm.
What is the distance of the image from the mirror?
____cm
What is the height of the image?
___cm
Answer:
-30 and 7.5
Explanation:
A spring with a spring constant k of 44 n/m is stretched a distance of 14 cm (0.14 m) from its original unstretched position. what is the increase in potential energy of the spring? j
A light beam in air strikes the surface of water at an angle of 35° to the normal. When it enters the water it bends toward the normal, making an angle of 25.5° to it. The velocity of light in air is approximately 300,000 km/s. What is the approximate velocity of light in water? A. 77,000 km/s B. 225,000 km/s C. 278,000 km/s D. 341,000 km/s
A helicopter is traveling at 86.0 km/h at an angle of 35° to the ground. What is the value of Ax? Round your answer to the nearest tenth. km/h
Yeah it is 70.4 for the Ax one and 49.3 for the Ay.
The value of Ax, the x component of the velocity of the helicopter, is approximately 70.5 km/h.
Explanation:The question asks to determine the horizontal component of the velocity (Ax) of a helicopter traveling at 86.0 km/h at an angle of 35° to the ground. To find Ax, we can use the cosine component of the given velocity because the cosine of an angle in a right triangle gives the adjacent side over the hypotenuse, which corresponds to the horizontal component over the total velocity.
To find the value of Ax, we can break down the velocity vector of the helicopter into its x and y components. The x component of the velocity can be found using the formula Vx = V * cos(angle), where V is the magnitude of the velocity and angle is the angle with respect to the ground.
In this case, V = 86.0 km/h and angle = 35°. Plugging in these values, we get Vx = 86.0 km/h * cos(35°) = 70.5 km/h.
So, the value of Ax is approximately 70.5 km/h.
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when objects are heated they tend to expand because
True or False: _____ a) An object will have the same mass on the moon as it does on Earth. _____ b) An object will weigh more on the moon than on Earth. _____ c) If you tried to kick a bowling ball across the surface of the moon, it would be just as hard to accelerate it on the moon as it would on Earth. _____ d) A bowling ball would fall faster on Earth than on the moon.
Which theory argues that language shapes the way that we think?
Functionalist
Durkheimian
Whorfian
Freudian
what steps are involved in creating hydroelectric power?
Answer:
Water falls from a reservoir through a channel to a turbine. The water turns the turbines, which allows the generator to make electricity.
It is falling instead of flowing, because elavation is an important part of the hydroeletric power plant, since gravity is a thing, and there was elevation, than it would be falling and not flowing.
Answer:
b
Explanation:
One end of a steel bridge is struck by a hammer. The sound produced is transmitted through the bridge and through the air to the other side of the bridge. There is a 1.4 s delay between the arrivals of the two sounds. What is the length of the bridge if the velocity of sound in air is 340 m/s and in steel is 5100 m/s. m
Final answer:
The length of the bridge is calculated by solving the equation derived from the sound travel times through air and steel, considering the 1.4 seconds delay. Upon calculation, the bridge length is found to be 476 meters.
Explanation:
To determine the length of the bridge given the time delay of sound arrival between steel and air, we need to establish two equations to represent the travel times of sound through both mediums. The first equation represents the time taken for sound to travel through the air ([tex]t_{air}[/tex]) and the second one for the time taken through steel ([tex]t_{steel}[/tex]). We know that sound travels faster in steel than air, so we can say:
[tex]t_{air}[/tex] = distance / speed in air = L / 340 m/s
[tex]t_{steel}[/tex] = distance / speed in steel = L / 5100 m/s
The delay between the two sounds was given as 1.4 seconds, so we can set up the following equation:
[tex]t_{air} - t_{steel}[/tex] = 1.4 s
(L / 340 m/s) - (L / 5100 m/s) = 1.4 s
Now, we solve for L (the length of the bridge), which results in:
L = 1.4 s / ((1/340 m/s) - (1/5100 m/s))
Upon calculation, L = 476 m
Therefore, the length of the bridge is 476 meters.
Give an example of nonpoint-source pollution
22)Identify one piece of evidence that led astronomers to infer that the universe is expanding?
23)Identify the force that caused stars and planets in the universe to become layered according to density differences in their composition?
24)Identify the nuclear process that combines lighter elements into heavier elements to produce the energy radiated by stars?
What did the bataan death march foreshadow about the war in the pacific?
A sprinkler sprays water out of a hose with a velocity of 6.3 m/s. if the sprinkler is aimed 25° above the ground, at what distance from the sprinkler does the water hit the ground? ignore air resistance and use 9.8 m/s2 for acceleration due to gravity.
Final answer:
To determine the distance the water hits the ground from the sprinkler, projectile motion principles are applied, separating the initial velocity into horizontal and vertical components and then calculating the time of flight and horizontal distance.
Explanation:
A student asked how far water will hit the ground if a sprinkler sprays water at a velocity of 6.3 m/s, aimed 25 degrees above the ground, ignoring air resistance. To solve this, we use the principles of projectile motion. First, decompose the initial velocity into horizontal (vx) and vertical (vy) components. The horizontal velocity, vx = v × cos(θ) and the vertical velocity, vy = v × sin(θ), where θ is the launch angle and v is the initial velocity.
For a projectile landed on the same level from which it was launched, the time of flight, t, is given by t = 2 × vy / g, where g is the acceleration due to gravity (9.8 m/s2). The horizontal distance, or range, R, is then R = vx × t. Substituting the given values, vx = 6.3 × cos(25°) and vy = 6.3 × sin(25°), we can find t and subsequently R.
__________ are seismic waves that pass through the earth's interior, spreading out from the focus in all directions.
P-waves and S-waves are seismic waves that pass through the earth's interior, spreading out from the focus in all directions. . P-waves move through solids, liquids, and gases, while S-waves travel only through solids.
Seismic waves are energy waves generated during earthquakes that travel through the Earth's interior, spreading out from the focus.
These waves are categorized into two main types: body waves and surface waves. Body waves, which travel through the Earth's interior, include P-waves (primary waves) and S-waves (secondary waves).Body waves are the first to propagate out from the focus of an earthquake. P-waves are compressional waves that move rock particles forward and backward in the direction of wave travel, allowing them to pass through solids, liquids, and gases. S-waves follow P-waves and are shear waves that move rock particles side-to-side, but they can only travel through solids, not through liquids or gases.Geologists study these seismic waves to understand earthquakes and the Earth's interior structure. As seismic waves travel through different materials, their speed changes, which helps scientists determine the density and composition of various layers within the Earth.What is the average velocity between 12.00 and 15.00 seconds?
A) 81.0 m/s, east
B)27.00 m/s, east
C)9.00 m/s, east
D)0.0123 m/s, east
Answer: The velocity of abject in a given time interval from 12 seconds to 15 sec is 27 m/s.
Explanation:
Displacement of the object after 12.00 seconds = 144 m
Displacement of the object after 15.00 seconds = 225 m
[tex]Velocity=\frac{\text{Change in Displacement}}{\text{Change in time}}[/tex]
[tex]Velocity=\frac{225 m-144 m}{15 s-12 s}=\frac{81 m}{3 s}=9m/s[/tex]
The velocity of abject in a given time interval from 12 seconds to 15 sec is 27 m/s.
Which one of the following statements best describes the just world hypothesis? A. People deserve what happens to them, whether good or bad. B. The world is just, but some people don't think it is. C. People who work hard are superior to those who are lazy. D. If people act with integrity, they contribute to a just world.
Answer:
A. People deserve what happens to them, whether good or bad.
Explanation:
The Just world hypothesis states that noble actions are rewarded and unjust actions are penalized. This hypothesis states that there is a force in the universe that restores the moral balance. This can be better understood by sayings like "what goes around comes around" and "you got what was coming to you".
So, bad people deserve something bad happening to them and good people also deserve what is happening to them.
You are holding a full bowl of hot soup while standing in the kitchen. As you begin moving, some of the soup spills out of the bowl onto the floor. Upon reflection, you realize that A) the soup spilled because of air resistance. B) if you had traveled faster this wouldn't have happened. C) the soup wanted to stay where it was, but you moved the bowl. D) the soup and the bowl act as one body with the same velocity.
The spillage of the soup as you began moving is explained by inertia, where the soup wanted to stay in place while the bowl was moved, according to Newton's first law of motion.
Explanation:When you moved with a bowl of hot soup and it spilled, the reason is related to the concepts of inertia and Newton's first law of motion. According to this law, an object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. In this case, the soup wanted to stay where it was, but you moved the bowl, causing a change in motion for the bowl and not the soup, resulting in the soup spilling. Air resistance is not a significant factor in this context as it primarily affects objects moving through the air and is related to how objects with different surface areas fall at different rates due to the force exerted opposite the motion.
If 1 meter = 3.28 feet, what is the height of the Washington Monument in meters?
The height of the Washington Monument can be found out by unit conversation.
Units conversionUnit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimeter is equal to 10 mm,
though the real measurement is still the same the units and numerical values have been changed.
The height of the Washington Monument is 554.32 feet.
Given to us1 meter = 3.28 feetTo findthe height of the Washington Monument
SolutionWe know that the height of the Washington Monument is 169 meters.
Therefore,
1 meter = 3.28 feet
169 meters = 3.28 x 169 feet
= 554.32 feet
Hence, the height of the Washington Monument is 554.32 feet.
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