Question

Cyclist starts from rest and acceleration at the rate of 2 metre per second square what will be his velocity after 5 seconds.

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Answer with explanation !!​

Answer 1

$\red{\mid{\underline{\overline{\textbf{Answer:-}}}\mid}}$

Velocity of cyclists = 10m/s

$\red{\mid{\underline{\overline{\textbf{Explanation}}}\mid}}$

We have been given that :-

• Cyclist starts from rest, this:
• Initial velocity = 0m/s
• Acceleration = 2m/s^2
• Velocity after 5s = v = ?

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By the first equation of motion we know that, the final velocity of a body is the sum of its initial velocity and product of acceleration and time. It is represented by the equation :-

$\red{\mid{\underline{\overline{\textbf{v = u + at}}}\mid}}$

In this equation :-

1. v = Final velocity
2. u = Initial velocity
3. a = acceleration
4. t = time taken to Accelerate.

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Now after inputting the known values in given equation we get that :

$\red{\mid{\underline{\overline{\textbf{v = 0 + 2( 5)}}}\mid}}$

$v = 0 + 10 \\ \\ v = 10$

Therefore we get final velocity of cyclist to be :- 10m/s^2 .

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BY SCIVIBHANSHU

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