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bagirrra123 [75]
3 years ago
6

A deer walking at 3.29 m/s speeds up to 13.38 m/s, covering a distance of 63.5 meters during this acceleration. How much time di

d it take him to do this?
Physics
1 answer:
jekas [21]3 years ago
6 0

Assuming the deer's acceleration was constant, we have

\Delta x=\dfrac{v_f+v_0}2t

where \Delta x is the deer's total displacement, v_f,v_0 are the deer's final and initial velocities, and t is time. Then

63.5\,\mathrm m=\dfrac{13.38\,\frac{\mathrm m}{\mathrm s}+3.29\,\frac{\mathrm m}{\mathrm s}}2t

\implies t=7.62\,\mathrm s

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