A car moving with a velocity 15m/s and accelerating by 5m/s² attempts to reach a car moving with 30 m/s velocity. What distance should it cover to reach the velocity of other car?

A) 30 m

B) 90 m

C) 67 m

D) 70m

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Monochromatic light passes through two parallel narrow slits and forms an interference pattern on a screen. As the distance between the two slits is decreased, the distance between light bands in the pattern on the screen will a. decrease. b.