Question

initial velocity is 4 m/ s final velocity is 8 m /s mass is 20 and time is is 4 sec find force​

Answer 1

Answer:

20N

Explanation:

For constant mass

F=ma

F = 20(8-4/4)

F = 20 N

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Answer 2

Explanation:

U=4

V=8

M=20 kg

t=4sec

a=8-4/4=1 m/s^2

F=20*1=20N

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