Question

Physics Newton
Your question ⤵⤵
Bullots of 40 g mass cach hit a plate at the rate of 100 bullots per second, with a velocity of 60 m/s and reflect back with a velocity of 30 m/s. The average force acting on
the plate is​

Answer 1

Answer:

Correct option is

B

180

Average force on the plate is change in momentum per unit time.

F=tnmv=1200×0.03×30=180N.

Answer 2

Answer:

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