Asked by VICTOR MACMILLAN
A MASS OF A MINUBUS WITH THE DRIVER IS 1 500Kg .ASSUME THAT THE PASSENGERS HAV AN AVERAGE MASS OF 50Kg EACH .THE DRIVER IS MOVING AT A SPEED OF 30m.s WHE HE NOTICES THAT THE TRAFFIC LIGHTS AHEAD TURNED TO RED .HE APPLIES A FORCE OF 9 000N ON THE BREAK PEDAL .HOW LONG WILL IT TAKE HIM TO STOP AND HOW FAR HE BE FROM THE TRAFFIC LIGHTS IF HE WERE TO STOP IN TIME?
Answers
Answered by
Steve
DON'T KNOW -- HOW MANY PASSENGERS ARE THERE? HOW FAR FROM THE STOP LIGHT DOES HE APPLY THE BRAKES?
PROOFREAD YER POST BEFORE SUBMITTING IT!
But you know
F=ma, which will give you the acceleration
v = at, which will give you the stopping time
s = 1/2 at^2, which will give you the stopping distance.
PROOFREAD YER POST BEFORE SUBMITTING IT!
But you know
F=ma, which will give you the acceleration
v = at, which will give you the stopping time
s = 1/2 at^2, which will give you the stopping distance.
Answered by
kgotsupu
physics
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