Question

11. A body moves from rest with a uniform acceleration
and travels 270 m in 3 s. Find the velocity of the
body at 10 s after the start.
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Answer 1

here,

u=0

s=270m

t=3s

a=?

we know

s=ut+(1/2)at^2

270=0×t+(1/2)a×3^2

.'.a=6o

a=60

t=10

u=0

v=?

weknow

v=u+at

v=0+60×10

.'.v=6oom