Question

If person is walking in initial velocity 75m/s after 10 min speed of that person is 55m/h . Find acceleration.

Answer 1

Explanation:

hey mate I think your question is wrong so I m giving 2 answers , first as per to ur question and second as per to my question..

as per your question

u = 75 m/s

v = 55 m /h

v = 55/3600 m / s

t= 10 min

t = 10 × 60 sec = 600 sec

$a = \frac{v - u}{t} \\ = \frac{55 - 75}{3600 \times 600} \\ = \frac{ - 20}{2160000} = \frac{ - 1}{108000} m \: {s}^{ - 1}$

9

now as per my question...

u =75 m /s

v =55 m/s

t =10 min

t =10 ×60 = 600

$a = \frac{55 - 75}{600} \\ = - \frac{20}{600} \\ = \frac{ - 1}{30} m \: {s}^{ - 1}$

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