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A ball of mass m= 3 kg is moving with velocity vi= 4 m s approaches a second ball of mass m2 = 1 kg that is also moving with a velocity of -3 m s' along the x-axis as observed by a stationary observer with respect to ground. After the head-on collision, the stationary observer finds that m2 has velocity v = 3 m s along the x-axis. a) Find the velocity of m after the collision. b) Calculate the momentum before and after the collision as detemined by the second observer O' who is walking with velocity 2 m s relative to the ground along x-axis. c) Discuss the concept of invariance of an equation observed in these collision.

A ball of mass m= 3 kg is moving with velocity vi= 4 m s approaches a second ball of mass m2 = 1 kg that is also moving with a velocity of -3 m s' along the x-axis as observed by a stationary observer with respect to ground. After the head-on collision, the stationary observer finds that m2 has velocity v = 3 m s along the x-axis. a) Find the velocity of m after the collision. b) Calculate the momentum before and after the collision as detemined by the second observer O' who is walking with velocity 2 m s relative to the ground along x-axis. c) Discuss the concept of invariance of an equation observed in these collision.

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A ball of mass m= 3 kg is moving with velocity vi= 4 m s' approaches a second ball of mass m2 = 1 kg that is also moving with a velocity of -3 m s' along the x-axis as observed by a stationary observer with respect to ground. After the head-on collision, the stationary observer finds that m, has velocity v3 = 3 m s along the x-axis. a) Find the velocity of m after the collision b) Calculate the momentum before and after the collision as detemined by the second observer O' who is walking with velocity 2 m s' relative to the ground along x-axis. c) Discuss the concept of invariance of an equation observed in these collision.
Transcribed Image Text:A ball of mass m= 3 kg is moving with velocity vi= 4 m s' approaches a second ball of mass m2 = 1 kg that is also moving with a velocity of -3 m s' along the x-axis as observed by a stationary observer with respect to ground. After the head-on collision, the stationary observer finds that m, has velocity v3 = 3 m s along the x-axis. a) Find the velocity of m after the collision b) Calculate the momentum before and after the collision as detemined by the second observer O' who is walking with velocity 2 m s' relative to the ground along x-axis. c) Discuss the concept of invariance of an equation observed in these collision.
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