If a fox starts from rest and accelerates at a rate of 1.1 m/s^2, how long does it take the fox to run 5 m A. 3.0s B. 4.5s C. 9.1s D).22s

Question

Physics

Rin Tin Tin

14 November, 13:38

If a fox starts from rest and accelerates at a rate of 1.1 m/s^2, how long does it take the fox to run 5 m A. 3.0s B. 4.5s C. 9.1s D).22s

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Answers (1)

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Bianca · Answer 1

Given:

u=0 m/s

a=1.1 m/s^2

S=5 m

t=time it takes to run 5 m

Use the kinematics equation

S=ut + (1/2) at^2

=>

5=0*t + (1/2) 1.1 (t^2)

solve for t

t=sqrt (5*2/1.1) = 3.015 seconds.