A scooter is moving with a velocity of 20m/s when brakes are applied. The mass of the scooter and the rider is 180Kg. the constant force applied by the brakes is 500N. a) How long should the brakes be applied to make the scooter comes to a halt? b) How far does the scooter travel before it comes to rest?
Answers
Answered by
19
Answer:
Explanation:
u=20,m=180,F=500
F=ma
180a=500
a=-25/9m/s^2(as the scooter is stopping)
v=0,u=20,a=-25/9,t=?
v=u+at
0=20-25/9*t
t=7.2seconds
v^2-u^2=2as
0-400=2*-25/9s
s=72m
Answered by
5
Answer:
72m
Explanation:
Explanation:
u=20,m=180,F=500
F=ma
180a=500
a=-25/9m/s^2(as the scooter is stopping)
v=0,u=20,a=-25/9,t=?
v=u+at
0=20-25/9*t
t=7.2seconds
v^2-u^2=2as
0-400=2*-25/9s
s=72m
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