A car acceleration uniformly form 18 km/hr in 5 sec . (i)calculate the acceleration and (ii) the distance covered by the car in that time .

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A car acceleration uniformly form 18 km/hr in 5 sec . (i)calculate the acceleration and (ii) the distance covered by the car in that time .

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manjulatasahoo153 24th Sep, 2020

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Answer (1)

Prachi Pant 3rd Nov, 2020

Hey

According to the question,

Initial velocity = 18kmh-¹ = 5ms-¹
Final velocity = 0ms-¹
time = 5sec

a = 0-5/5
a = -1ms-²

Here, -ve sign shows retardation

2as = v²-u²
2×(-1)s = 0²-5²
-2s = -25
s = 12.5m

Hope you understood and got your solution to the question asked.

Thanks

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