A motorcycle is moving at 18 m/s when its brakes are applied, bringing the cycle to rest in 4.7 s. To the nearest meter, how far does the motorcycle travel while coming to a stop?

Question

Physics

Harley

11 June, 22:00

A motorcycle is moving at 18 m/s when its brakes are applied, bringing the cycle to rest in 4.7 s. To the nearest meter, how far does the motorcycle travel while coming to a stop?

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Answers (1)

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Jaiden Blackburn · Answer 1

the motorcycle travels 42.4 meters until it stops.

Explanation:

Vi = 18 m/s

Vf = 0 m/s

t = 4.7 sec

Vf = Vi - a*t

deceleration:

a = Vi/t

a = 18m/s / 4.7 sec = > a=-3.82 m/s²

x = Vi*t - (a * t²) / 2

x = 42.4m