4 years ago

Does frequency of sound change with the temperature?

1 answer:

8 0

Answer: Temperature is also a condition that affects the speed of sound. Molecules at higher temperatures have more energy, thus they can vibrate faster. Since the molecules vibrate faster, sound waves can travel more quickly. The speed of sound in room temperature air is 346 meters per second.

Explanation: so basically, yes!

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What happens to the average kinetic energy of a substance as its temperature increases?

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Answer:D

Explanation:

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3 years ago

A soccer has been kicked as far as it can get with an initial momentum of 153 kg*m/s and the

Georgia [21]

Answer:

85 m/s

Explanation:

The formula for momentum is product of weight and velocity

p=mv where m is mass and v is velocity

Given that;

Momentum = 153 kg*m/s

Weight = 1.8 kg

Velocity = ?

p=mv

153 = 1.8 * v

153/1.8 = v

85 m/s

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3 years ago

You threw a ball straight up into the air at 7.34m/s. How high does the ball go?

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Answer:

7.34x

Explanation:

Depends on how long it was in the air. 7.34x, x is how many seconds.

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4 years ago

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Hurricane or typhoons occur when large areas of the open ocean soak up heat from the sun t or f

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Answer: true

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3 years ago

A 4.5 kg bowling ball rolls down a 500m hill. How much potential energy does it lose?

lions [1.4K]

Answer:

22050 J

Explanation:

Given Mass of the ball, m = 4.5 Kg

Height, h =500 m

Acceleration due to gravity, $g= 9.8m/s^{2}$

To calculate the potential energy we use formula,

$PE = mgh$

Substituting the given values, we get

PE = 4.5× 9.8×500

=22050 J

8 0

3 years ago