An object of mass M explodes, breaking apart into three smaller objects of mass m1 and m2 and m3. Masses mị and m2 move up and to the left and down and to the right, respectively (shown in the figure below), each with speed v. Determine the magnitude and direction of the velocity of m3, keeping in mind conservation of mass.

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A: The given values are, mL=1.5 g/cm=1.5 g/cm10-3 kg1 g1 cm10-2 m=0.15 kg/mI=15 A

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A: Solution as

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A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.