A body starts from rest and accelerates for 5m/s. Calculate the time taken by the body to cover a distance of 1km
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Answer:
Initial velocity (u) =0
Distance(s) = 1km
acceleration(a) =5m/s^2
time(t) =?
According to Newton's second law if motion
S=ut+1/2at^2
1000=0+1/2×5×t^2
t=√1000×2/5
t=√200×2
t=√400
t=20 sec
The time taken by the body to cover a distance of 1km is 20 sec.
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The body will take 20 second to cover a distance of 1km.
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