Question

A bus starting from rest moves with a uniform acceleration of 0.1 m/s² for two minutes. Find the distance travelled by the bus?​

Answer 1

Answer:

Given :-

Initial speed of the bus = 0 m/s

Acceleration = 0.1 m/s²

Time taken, t = 2 minutes = 120 s

To Find :-

(a) Speed acquired,

(b) Distance travelled.

Solution :-

Putting all the value, we get

(a) Speed acquired

⇒ v = u + at

⇒ v = 0 + 0 × 1 × 120

⇒ v = 12 m/s

(b) Distance travelled.

⇒ (12)² - (0)² = 2(0.1) s

⇒ s = 720 m

Hence, Speed acquired finally by the bus is 12 m/s.

And Distance travelled by the bus is 720 m.

Answer 2

Answer:

a=0.1m/s2

and t=2min=120s

(A)v=u+at=0+0.1×120

⟹v=12m/s

(b)s=ut+21at2

⟹s=0+21×0.1×(120)2

⟹s=720m

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