The answer would be the sound waves.
Work Done = Force x Distance Moved
Work Done = 25 x 15 = 375 Joules
Answer:
588 N
Explanation:
Since the 60 kg is moving at a constant velocity there is no acceleration. In order for the system to be balanced, both the normal force and the force of gravity must be equal. In this case the man has a mass of 60 kg. So to find the force you multiply mass by gravitys constant (9.81). And you end up with an answer of 588.6 but I rounded to 588.
Energy is the capacity to do some type of work
