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Question:

A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for 2 seconds until it reaches a velocity of 3m/s. (a) what is the initial momentum of the mass? (b) what is the final momentum of the mass? (c) what is the value of the force acting on the mass? (d) what is the impulse acting on the mass?

A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for 2 seconds until it reaches a velocity of 3m/s. (a) what is the initial momentum of the mass? (b) what is the final momentum of the mass? (c) what is the value of the force acting on the mass? (d) what is the impulse acting on the mass?

Step 1

a.

since the mass starts from rest, the initial momentum of the mass is zero.

 

Step 2

b.

final momentum of the mass is

c.

force acting on the mass is

d.

the impulse acting on the mass is