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Question

A truck driver with an initial speed of 30m/s spots an armadillo in the road ahead and begins to brake at a rate of 2 m/s^2 for 10 seconds. how far does her truck travel?

Answer 1

Once the brakes are applied
v(t)=30-2*t
at t=10, v=10 m/s

x(t)=30*t-t^2
at t=10
x(10)=300-100
=200 meters

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