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105. A bomb is thrown at a speed 20 m/s at an angle 45" with the horizontal from the origin. At the highest point it explodes into two parts of equal masses, if one part coming to rest. The distance from the origin to the point where the other part strikes the ground, is (g = 10 ms) (1) 20m (2) 40m (3) 60m (4) 80m

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