A CAR ARCHIVES AT A SPEED OF 40M/S BY undergoing acceleration of 5 m//s in 3 s. find the initial speed of the car
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Answer:
To complete 1km distance with speed =50kmhr it tkes time t
1
=
50
1
s
To complete 1km distance with speed =40kmhr it tkes time t
1
=
40
1
s
Average speed=
(1/50)+(1/40)
1+1
=44.44m/s
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