# Constant Acceleration EquationsWatch

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#1
A cyclist travelling at 18kmh^-1 brakes steadily, coming to rest in 50m.
a) calculate the cyclist's initial velocity in ms-1.
b) Find the time it takes the cyclist to come to rest.
c) Find the cyclist's deceleration.
0
3 weeks ago
#2
A) convert 18kmh^-1 to ms-1 by 18000/3600
B) s=50
u= use part a
v= 0
a= ?
t= ?
s=u+v/2 * t
c) use any of the suvat equations
0
#3

J

A) convert 18kmh^-1 to ms-1 by 18000/3600
B) s=50
u= use part a
v= 0
a= ?
t= ?
s=u+v/2 * t
c) use any of the suvat equations
Thank you so much!
0
3 weeks ago
#4
(Original post by JasmineJohal14)

J

Thank you so much!
Np sis
0
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