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istance 14. A car is moving with a velocity 20 m s1. The95 kmeed of What will be the velocity after 5 s of applying theniformbrakes are applied to retard it at a rate of 2 m s2brakes ?.Ans. 10 m s-1

Answer»

u= initial velocity= 20m/s

a= acceleration= -2m/s^2

t= 5s

from equation of motion

v= u+at

v= 20 + (-2)x 5

v= 10m/s



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