A driver applies the brakes and slows down the velocity of the bus from 80 km/h to 60 km/h in 5 seconds .calculate the accerlaratiin of the bus
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Answered by
7
firstly change 80km/h and 60km/h into m/s.
so, 80km/h=80into5/18=22.22
60km/h=60into5/18=16.67
so,now a=v-u/t
a=22.22-16.67/5
a=18.886
hope it help you
so, 80km/h=80into5/18=22.22
60km/h=60into5/18=16.67
so,now a=v-u/t
a=22.22-16.67/5
a=18.886
hope it help you
Answered by
1
u=80
v=60
t=5
a=?
we know that
v= u + at
=>60=80+a×5
=>60=80+5a
=>5a= -20
=> a = -4 m/sec 2
v=60
t=5
a=?
we know that
v= u + at
=>60=80+a×5
=>60=80+5a
=>5a= -20
=> a = -4 m/sec 2
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