Questions
A ball falls freely from a height of 45 m. When the ball is at a height of 25 m, it explodes into two equal
pieces. One of them moves horizontally with a speed of . The distance between the two pieces on the ground is
detailed solution
Correct option is A
Remaining time for the pieces to reach the ground, t=2×4510-2×2010=1 s x = 10×1=10 m∴ Distance between two pieces will be 20 m.Talk to our academic expert!
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Three particles each of mass m are located at vertices of an equilateral triangle ABC. They start moving with equal speeds each along the meridian of the triangle and collide at its center G. If after collisions A comes to rest and B returns its path along GB, then C
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