A horse is galloping at 13 m/s. Five seconds later after running uphill, the horse is moving at 5.5 m/s. Find the acceleration that describes this change in velocity.

Question

Responses

-1.5 m/s

1.5 m/s

-1.6 m/s

1.6 m/s

Answer 1

-1.5 m/s.

To find the acceleration, we can use the equation:

acceleration = (final velocity - initial velocity) / time

acceleration = (5.5 m/s - 13 m/s) / 5 s
acceleration = -7.5 m/s / 5 s
acceleration = -1.5 m/s

Therefore, the acceleration that describes the change in velocity is -1.5 m/s.