a car starts to slow down from 80 m/hr to 35 m/hr in 5 seconds, what is the acceleration
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Answered by
0
Hey user,
According to 1st law of motion,
v=u+at
35=80+5t
-45=5t
a=-9m/s²
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Answered by
1
we 1st have to convert it into m/s.
initial(u)=80m/hr
80/60*60=2/9m/s
final velocity(v)=35m/hr
35/60*60=7/720m/s
t=5s
acceleration =v-u/t
2/9-7/720/5
0.220277....
initial(u)=80m/hr
80/60*60=2/9m/s
final velocity(v)=35m/hr
35/60*60=7/720m/s
t=5s
acceleration =v-u/t
2/9-7/720/5
0.220277....
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