(e) A car is moving in a straight line with speed 18 km h-1
. It is stopped in 5 s by
applying the brakes. [2]
Find: (i) The speed of car in m s-1
,
(ii) The retardation.
Answers
Answered by
1
Explanation:
(I) 18kmph = 18×5/18 = 5m/s
(ii) apply formula (v=u+at)
0 = 5+5a
=> a = -1m/s^2
Answered by
0
Answer:
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Explanation:
The speed of the car in m/s=18× 5 /18
=5 m/s
b) The retardation is:
a= v - u / t = 0-5/5 = 1 m/s^2
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