A car starts from rest and acquire a velocity of 54 kilometre per hour in 2 seconds find (1) the acceleration (2) distance travelled by car, assume motion of car is uniform?
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Answer:
1 As the car starts from rest its initial velocity will be 0 and given, final velocity is 54km per hour and time taken is 2 sec
acceleration will be = 54-0/2
54/2
27 km per hour .
Explanation:
2 the motion of car is uniform as it gains equal velocity in equal interval of time
the distance travelled is = 15×2 (convert the speed from km per hour to m per sec)
= 30 metre
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