A body which is uniformly retarded comes ro rest after 5s after travelling a distance...

A body which is uniformly retarded comes ro rest after 5s after travelling a distance of 10m.What is its initial velocity?

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Answers (4)

Dende
1 month ago
S=ut+½at²

20=10u + ½(v-u/t) x 10²

but v=0, hence

20=10u + ½(0-u/10) x 100

20=10u - 10u/2

find the LCM

20=5u

u=4m per second square.
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