Asked by tuhituhi
on turning a corner a motorcyclist rushing
at 44 m/s. finds a child on the road 100 m away. he applies the brake so as he stops the motorcycle within 1m of the child. calculate the time required to stop?
at 44 m/s. finds a child on the road 100 m away. he applies the brake so as he stops the motorcycle within 1m of the child. calculate the time required to stop?
Answers
Answered by
bobpursley
vf^2=vi^2+2ad
d=99m
solve for a
then,
vf=vi+at solve for t.
d=99m
solve for a
then,
vf=vi+at solve for t.
Answered by
Rohith Patil
2.25 seconds
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