Question

The amplitude of wave P is the not the same as the amplitude of wave R.
The amplitude of wave S is double the amplitude of wave Q.
The frequency of wave S is the same as the frequency of wave R.
The frequency of wave S is the same as the frequency of wave Q.

Answer 1

Answer:

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Diagram 4

Explanation:

Answer 2

Explanation:

Work is said to be done when a Fore F acts on an object and object moves through a distance S in the direction of force. Workdone can be positive , negative or Zero