An object of mass 5 kg is moving with a velocity 4 m/s. A constant force of 20 N acts on the object. What
will be the velocity after 3 s.
will be the velocity after 3 s.
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Answer:
60meter per sec
Explanation:
f = ma
m = 5kg, v = 4meter per second
f = m(v-u/2)
= 5(4-0/t)
force = 20N
and when there is time, 3seconds
= 20=v-u/3
= 20*3=v-u
and as we know that the initial velocity is always zero
therefore v-u = 60
u = 0
therefore v = 60