ICSE Class 9 Answered
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Asked by minalbhute04 | 03 Jul, 2020, 12:59: PM
Question: - A car starts from rest after 8 s its velocity becomes 72 m/s. Find acceleration of a car.
Solution -
As car starts from rest
initial velocity, u = 0
final velcoity is, v = 72 m/s
t = 8 s
Acceleration, a = ?
By first equation of motion,
v = u+at
72 = 0 + a (8)
a = 9 m/s2
Thus, acceleration of car is 9 m/s2
Answered by Shiwani Sawant | 05 Jul, 2020, 01:42: PM
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