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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Answer (1)
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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