What is the displacement after 6 seconds when a car is moving at 12m/s and coasts up a hill with a uniform aacceleration of - 1.6 m/s^2

Question

Evan Santos

Physics

25 January, 04:23

What is the displacement after 6 seconds when a car is moving at 12m/s and coasts up a hill with a uniform aacceleration of - 1.6 m/s^2

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Deangelo Gonzales · Answer 1

The kinematic formula using displacement, time, initial velocity, and acceleration:

x = v t+.5 a t^2

x = (12m/s) (6s) +.5 (-1.6m/s^2) (6s) ^2

x = 72m - 28.8m

x = 43.2 m