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Classical Mechanics Level 2

Position-time graph of the object Position-time graph of the object

Find the velocity of the object over the interval ( 2 , 4 ) (2,4) .


The answer is 5.

Sravanth C. by Sravanth C. , 21, India

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1 solution

Sravanth C.
Mar 21, 2016

We know from equations of motion that:

velocity = s 2 − s 1 t 2 − t 1 = 20 − 10 4 − 2 = 10 2 = 5 \begin{aligned} \text{velocity}&=\dfrac{s_2-s_1}{t_2-t_1}\\ &=\dfrac{20-10}{4-2}\\ &=\dfrac{10}{2}=5 \end{aligned}

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@Sravanth Chebrolu The points are not very clear from the graph. Can you please make them clearer? Thanks.

Sudeep Salgia - 5 years, 2 months ago

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I wasnt able to do it, how is it now?

Sravanth C. - 5 years, 2 months ago

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