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A particle starts with an initial veloci...

A particle starts with an initial velocity 2.5 m/s along the positive x direction and it accelerates uniformly at the rate `0.50 m/s^2`. A. Find the distance travelled by it in the first two seconds. b.How much time does it take to reach the velocity `7.5 m/s` ? c. How much distance will it cover in reaching the velocity 7.5 m/s?

A

4m

B

5m

C

1m

D

6m

Text Solution

Verified by Experts

We have ,` s= ut + (1//2) "at"^(2) = (2.5) (B) + (1//2) (-.50)`
`(B)^(2) = 6m `
Since the particle does not return back, it is also the distance travelled.
Hence correct answer is (D)
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