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A block of mass 2. 0 kg, starting from rest, is pushed with a constant force across a horizontal track. The position of the block as a function of time is recorded, and the data are shown in the table. What is the magnitude of the change in momentum of the block between zero and 4. 0 seconds?.

Answer :

okpalawalter8

The magnitude of the change in momentum of the block between zero and 4. 0 seconds is

dp=1.6m/s

What is the magnitude of the change in momentum of the block between zero and 4. 0 seconds?

Generally, the equation for the kinematics equation is mathematically given as

x=x+ut+0.5at^2

Therefore

1.6=0+0+0.5*a*1^2

a=0.2m/s^2

In conclusion,  change in momentum

dP=mv-mu

2.0*0.8-0

dp=1.6m/s

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