A car is moving 60 km/h when the driver sees a signal light 40 m ahead turn red. The car can slow with an acceleration at the -.5g, where g is 9.8 m/s^2. What was her stopping distance? Assume zero reaction time. You should convert 60 km/h to m/s.

Question

Enzo Stone

9 August, 22:49

+2

Answers (1)

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Miriam Cuevas · Answer 1

28.34m

Explanation:

initial velocity = 50/3 m/s (U)

final velocity = 0 (V)

acceleration = - 4.9 m/s^2 (A)

S = V^2-U^2/2A

S = 28.34m