A 150 g tenins ball coming at a speed of 40m/s is hit straight back by a bat to speed of 60m/s. The magnitude of the average force F on the ball, when

Question

A 150 g tenins ball coming at a speed of 40m/s is hit straight back by a bat to speed of 60m/s. The magnitude of the average force F on the ball, when

A 150 g tenins ball coming at a speed of 40m/s is hit straight back by a bat to speed of 60m/s. The magnitude of the average force F on the ball, when it is in contact for 5ms is,
A. 2500N
B. 3000N
C. 3500N
D. 4000N

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Force F=Rate of change in the momentum
`=(m[v_(2)-v_(1)])/(t)`
`=((0.150kg)[60ms(-1)-(-40ms^(-1))])/((5xx10^(-3s))=3000N`.

5 views Answered 2023-02-05 15:29