Q. 2. A force of 100N acts on a mass of 25 kg for 5 s .What velocity does it generate?

Answer 1

Newton #2 - Force = rate of change of momentum
so
force * time = change in momentum (impulse)

100 * 5 = 25 * v

Answer 2

Q. 3. A bullet leaves a rifle with a velocity of 100m/s and the rifle of mass 2.5 kg recoils with a
velocity of 1m/s. Find the mass of the bullet?

Answer 3

1.)20m/sec-2
2.)

Answer 4

A force of 100 newton acts on a body of mass 25 kg for 5 seconds. what velocity does it generate

Answer 5

Given : F=100N. a=acceleration
T=time
M=25kg. M=mass
T=5sec
F=ma
acceleration=mass/force
a=100/25
a=4m/s2
Then
V=u+at
V=0+4×5
V=20 m/s.
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