Question

:: A body travels for 10 sec
&attains a final velocity of
40 m/sec with an acceleration of 2m/sec square .Find the distance travelled and also the velocity with which it started
.

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Correct option is

C

15 m/s

Time (t) = 10 seconds

Accelerartion (a) = 2.5 m/s

2

We know v = u + at

⇒40 m/s = u + 2.5

s

2

m

⇒ 40 m/s = u + 25

s

m

⇒ u = (40 - 25) m/s

= 15 m/s

∴ initial velocity of the car = 15 m/s