A car attains a velocity of 72km\hr after 15 seconds from starting. Calculate the acceleration and the distance travelled in this time.
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Answered by
1
Answer:Initial Velocity = u = 0
Final velocity = v=72km/hr=72×
18
5
=20m/s
Time = t = 10 sec
Acceleration = a
Equation of motion :-
v=u+at
20=0+10a
a=
10
20
a=2m/s
2
displacement = distance traveled = s
Equation of motion :-
v =u+
2
=2as
20
2
=2×2×s
400=4s
s=
4
400
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A car attains a velocity of 72km\hr after 15 seconds from starting. Calculate the acceleration and the distance travelled in this time.
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