Question

An object starts with velocity of 3m/s and travels for 450 m. If time taken is 100 s, find its acceleration and final velocity.

Answer 1

by s = ut + 1/2 at^2
450 = 3*100 +1/2 a *10000
150 = 1/2a 10000
150 = a 5000
30 = a 1000
a = 0.03m/s^2

then

v =u + at
v = 3 + 0.03 *100
v = 3+3
v = 6 m/s
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Answer 2

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