3 years ago

ASAP

Physics

1 answer:

iris [78.8K]3 years ago

5 0

Answer:

A) Energy is dissipated into heat and sound energy due to Friction

B) The energy goes into heat and sound energy due to friction again, otherwise the cart would accelerate due to an unbalanced force. Therefore, we know there's friction, and the friction causes energy loss.

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Is there a multiple choice?

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3 years ago

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A trumpet creates a sound wave that has a wave speed of 350m/s and a wavelength of 0.8 m . What is the frequency of the sound wa

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Answer:

The frequency of sound wave created by trumpet is 437.5Hz

Explanation:

Given

the speed of sound wave = 350 m $s^{-1}$

the wavelength of sound wave = 0.8 m

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All the waves have same relationship among wavelength, frequency and speed, which is given by the equation:

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3 years ago

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Calculate 8 ∙ 10^-4 divided by 2 ∙ 10^2.

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