Question

A body is moving with the velocity of 10m/s . What will be the acceleration of the body after 10
seconds, when its final velocity is 100 m/s?

Answer 1

Answer:

0m/sec^2

Explanation:

v=u+at

100=10+a10

100÷10=10+a

10-10=a

a=0

Answer 2

Given that,

• Initial Velocity of the body = 10 m/s (u)

• Time = 10 seconds (t)

• Final Velocity of the body = 100 m/s (v)

• Acceleration of the body after 10 sec = ? (a)

we know,

$a=\frac{(v-u)}{t}\\a=\frac{(100m/s - 10m/s} {10sec}\\a=\frac{90m/s}{10 sec}\\a=9m/s^2$

∴ The acceleration of the body is 9 m/s²

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