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A bus starting from rest moves …

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A bus starting from rest moves with a uniform acceleration of 0.1m/s for 2minutes . Find the speed acquired, the distance travelled

Posted by Monchom Amon 3 years, 11 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 3 years, 11 months ago

Here we have, Initial velocity (u) = 0
Acceleration (a) = 0.1ms^-2
Time (t) = 2 minute = 120 second

(a) The speed acquired:

We know that, v = u + at

⇒v=0+0.1m/s²×120s

⇒v=120m/s

Thus, the bus will acquire a speed of 120 m/s after 2 minute with the given acceleration.

(b) The distance travelled:

We know that, s=ut+1/2 at²

⇒s=0×120s+12×0.1 m/s²×(120s)²

=12×1440m=720m

Thus, bus will travel a distance of 720 m in the given time of 2 minute.

0Thank You

ANSWER

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