a 150 gram tennis ball coming at a speed of 40 m per second is hit straight back by a bat to speed of 60 M per second the magnitude of the average force on the ball when it is in contact for 5ms with the bat is
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Answered by
32
Force = mass × Acceleration
From the question we can get the acceleration.
Acceleration = change in velocity ÷ time
This equals to :
(60 - 40) / (5/1000)
20 / 0.005 = 4000m/s²
150/1000 = 0.15
F = 4000 × 0.15 = 600N
Answered by
13
Answer:
3000N
Explanation:
see the above attachment for explanation.
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