An object of mass 1500g is moving with velocity of 18 km/hr. Force is applied & the object gains the velocity of 54 km/hr in 10 seconds. Find out the force?
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Explanation:
v=54kmph =54*5/18=15m/s
time=10sec
u=18kmph=5m/s
v=u+at
v-u/t=a
15-5/10=1m/s^2=a
F=ma=1.5(in kg)*1=1.5N
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