The change

The change in momentum of an unknown object was 56N.s. What was the force applied when it moved a distance of 2m in 10 seconds?

Correct answer:

F =  5.6 N

Step-by-step explanation:

h=56 Ns s=2 m t=10 s  v=s/t=2/10=51=0.2 m/s  h=mv  m=h/v=h/51=56/0.2=280 kg  h=I=Ft F=h/t=56/10=5.6 N

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