Question

A body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is 10 m/s . Then t is​

Answer 1

Answer:

t= 5

Explanation:

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Answer 2

Answer:

5sec is the required value of t .

Explanation:

Given ,  a body starts from rest and travels with an acceleration = 2m/$s^2$

After t second the  velocity = 10 m/s

Acceleration = $\frac{v - u}{t}$

Where , v = final velocity

u = initial velocity

t = time taken by the body .

Step 1:

According to the question body starts from rest .

So , u = 0 and v = 10 m/s

a = $2m/s^2$

Now,  put the values in the acceleration formula we get ,

a = $\frac{v - u}{t}$

⇒2 = $\frac{10 - 0 }{t}$ ⇒t = $\frac{10}{2}$ = 5 sec .

Final answer:

Hence ,  time  is equal to 5 sec .

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