1- A 8 N constant force acts on an object with mass of 16 kg. If the object initially at rest, then determine the speed of the object after force acts on the object for 4 seconds.
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Answer:
F=8N
m=16Kg
u=0m/sec
t=4 sec
V=?
F=ma
8=16a
a=0.5m/sec^2
V=u+at
=0+4*0.5
=2m/sec
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