Determine the force required to change the momentum of an object from 22 kg m s ─1 to −15 kg m s ─1 in a tim
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Determine the force required to change the momentum of an object from 22 kg m s ─1 to −15 kg m s ─1 in a tim

[From: ] [author: ] [Date: 11-12-07] [Hit: ]
......
Determine the force required to change the momentum of an object from 22 kg m s
─1
to
−15 kg m s
─1
in a time of 2.5 s

help much appreciated :)

-
Newton's second law says

Magnitude of force is proportional to the rate of change of momentum.

Force = (22 - 15 ) / 2.5 = 7 / 2.5 = 2.8 N
1
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