A motorcycle has a constant acceleration of 2.70 m/s^2 . Both the velocity and a

Question

A motorcycle has a constant acceleration of 2.70 m/s^2 . Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its speed from (a) 35.5 to 45.5 m/s, and (b) 65.5 to 75.5 m/s? A motorcycle has a constant acceleration of 2.70 m/s^2 . Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its speed from (a) 35.5 to 45.5 m/s, and (b) 65.5 to 75.5 m/s?

Explanation / Answer

using

v=u+at

t=(v-u)/a

(a) v=45.5

u=35.5

v-u=10

t=3.7 sec

(b) v=75.5

u=65.5

t=3.7 sec

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