On observing a sign board about speed limit, a driver applies brakes and reduces his speed from 100 m/s to 50 m/s though a distance of 50 m. The uniform retardation provided by the brakes (in m/s2) will be
25
75
50
10
Answers
Answered by
14
Answer:
it's 50
Explanation:
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Answered by
1
Answer:
75
Explanation:
v²-u²=2as
due to retardation
v²-u²=-2as
50²-100²=-2a50
-7500=-a100
a=75m/s²
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