man is standing on top of a building 100 m high. He throwstwo balls vertically, one at t 0 and after a time interval (lessthan 2 seconds). The later ball is thrown at a velocity of half thefirst. Att 2s, both the balls reach to their maximum heights Atthis time the vertical gap between first and second ball is+ 15 m.14. The speed of first ball is(a) 20 m/s(c) 5 m/s(b) 10 m/s(d) 15 m/s15. The time interval between the throw of balls is(a) 1.2 sedc(c) 0.8 sed(b) 0.5 sec(d) 1 sec

man is standing on top of a building 100 m high. He throwstwo balls ve

1.	man is standing on top of a building 100 m high. He throwstwo balls vertically, one at t 0 and after a time interval (lessthan 2 seconds). The later ball is thrown at a velocity of half thefirst. Att 2s, both the balls reach to their maximum heights Atthis time the vertical gap between first and second ball is+ 15 m.14. The speed of first ball is(a) 20 m/s(c) 5 m/s(b) 10 m/s(d) 15 m/s15. The time interval between the throw of balls is(a) 1.2 sedc(c) 0.8 sed(b) 0.5 sec(d) 1 sec
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