Math, asked by Sahil1231, 1 year ago

a scooter apply brakes and brings its scooter in rest in 1.5 seconds. if the retardation of the brakes is 5m/^2. calculate the initial velocity in :

1 ) SI system
2 ) km/h

please give the answer with steps. only for brilliant brainly userz.


Sahil1231: please answer the ques if i like it i will mark as brainest

Answers

Answered by KankanaChandra
3
this means final velocity=0
from equation of straight line motion,we know,
v=u+at
or, 0=u-5*1.5 (here,a is -ve because the body is coming to rest)
or, u=7.5m/s
thus, in km/hr , u=7.5*(3600/1000)
=27km/hr
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