Question

Practice Problems 1
1. A car covers 90 km in 1 hours towards east. Calculate (i) displacement of car, (ii) its velocity
in (a) kmh- (b) ms-
[C) 90 km - east (i) (a) 60 kmh (b) 16.67 ms'
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Answer 1

Velocity= displacement/ time

Displacement= velocity. time

ans- i)- c) 90km-east

Velocity= 90 =3/2= 1.5

60

ans.-b) approx. 16.67ms'

Explanation:

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