A body moving with uniform acceleration describes 40m in the first 5sec and 65m in the next 5sec. it's initial velocity is
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Hii There!!!
Let u be the initial velocity, a = acceleration, t = time taken by the body.
In the first 5seconds it moves 40m
s=ut+1/2 at^2
40=5u+1/2 5^2
8=u+5/2a
next it travels 65m in (5+5=10)
65=10u+1/2a 10^2
13=2u+10a
Therefore, u=19/2m/s
Hope it helps☺
Let u be the initial velocity, a = acceleration, t = time taken by the body.
In the first 5seconds it moves 40m
s=ut+1/2 at^2
40=5u+1/2 5^2
8=u+5/2a
next it travels 65m in (5+5=10)
65=10u+1/2a 10^2
13=2u+10a
Therefore, u=19/2m/s
Hope it helps☺
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