A force of 5 kg wt acting on a body changes its velocity uniformly from 2 m/s to 10 m/s in 20 seconds. Calculate the mass of the body. ( g = 9.8 m/sq.sec)
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Answer:
Step-by-step explanation:
v=u+gt
10= 0.2+a* 10
g=9.8/10 m per s
now, F= mg
as 5kgwt= 5*9.8 kg
so, 5*9.8=m*9.8/10
m=50kg
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