Question

1
W
HIS.
Change the speed of 6 m/s into km/hr.
(c)
A driver decreases the speed of a car from 25 m/s to 10 m/s i
5 seconds. Find the acceleration of car.
A scooter acquires a velocity of 36 km/hr in 10 seconds just after the star
Calculate the acceleration of the scooter.
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Answer 1

1. 6m/s into km/hr = 6×5/18 = 5/3 = 1.66
2. acceleration = v-u÷t = 10-25÷5= -15÷5= -3m/s^2
3. acceleration = v-u÷ t conversation of km/hr to m/s = 36×5÷18. =10 m/s . a= 10-0÷10=1m/s