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16-04-2019
Physics

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Tim is riding a bike at a velocity of 10m/s north. As he starts to climb a hill, his velocity decreases to 5 m/s north. Is the acceleration positive or negative? Calculate the acceleration.

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16-04-2019

Answer:

negative

Explanation:

He is decreasing acceleration. To calculate, imply do 10-5= 5, but since it is a decrease, we must say -5

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