1. A car starts from rest and at covers
2 minutes. Find
(i) the acceleration of car
(ii) the speed with which car is moving.
Answers
Answered by
2
Explanation:
the acceleration of car is 5 meters
the speed with which car moving at rest
Answered by
0
Explanation:
nitial velocity = u = 0 m/s
Final velocity = v = 54 km/hr
To convert km/hr to m/s , we multiply it by 5/18
Final velocity = v = 54 km/hr = 54 x 5/18
= 15 m/s
Time = t = 2 sec
a = acceleration
Equation of motion :
v = u + at
15 = 0 + 2a
a = 15/2 = 7.5 m/s²
s = distance traveled
Equation of motion :
s = ut + 1/2 at²
= 0 + 1/2 × 7.5 × 2²
= 15 metres
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