Physics: How much time does a bike with an acceleration of 2ms-2 take to increase its velocity from 10ms-1 to 30ms-1?

I believe, this question can t be solved until we get the correct data to know which is an inference of the investigation. Since all of them can be inferences depending on what you are studying. Maybe the teacher made a mistake?...

How much time does a bike with an acceleration of

Ответ:

namdh6086

31.01.2022

Physics

$\boxed{\sf Time \ taken = 10 \ seconds}$

Given:

Initial velocity (u) = 10 m/s

Final velocity (v) = 30 m/s

Acceleration (a) = 2 m/s²

To Find:

Time taken (t) by bike to increase its velocity from 10 m/s to 30 m/s with an acceleration of 2 m/s²

Explanation:

$\sf From \ equation \ of \ motion:$

$\boxed{ \bold{v = u + at}}$

Substituting values of v, u & a in the equation:

$\sf \implies 30 = 10 + 2t$

Substract 10 from both sides:

$\sf \implies 30 - 10 = (10 - 10) + 2t$

$\sf \implies 20 = 2t$

20 = 2t is equivalent to 2t = 20:

$\sf \implies 2t = 20$

Dividing both sides by 2:

$\sf \implies \frac{ \cancel{2}t}{ \cancel{2}} = \frac{20}{2}$

$\sf \implies t = \frac{10 \times \cancel{2}}{ \cancel{2}}$

$\sf \implies t = 10 \: s$

So,

Time taken (t) by bike to increase its velocity from 10 m/s to 30 m/s with an acceleration of 2 m/s² = 10 seconds

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How much time does a bike with an acceleration of 2ms-2 take to increase its velocity from 10ms-1 to 30ms-1?

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