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Two gliders are moving toward each other. Glider A has a mass of 500 g and...

Two gliders are moving toward each other. Glider A has a mass of 500 g and is moving with a velocity of 40 cm/s. Glider B has a mass of 400 g and is moving with a velocity of -50 cm/s. After a head-on collision, glider A moves with a velocity of 10 cm/s and glider B moves with a velocity of 50 cm/s.
A.) calculate the total initial and final momenta of the two gliders. Determine whether linear momentum is conserved in this collision.
B.) Calculate the total and final kinetic energies of the two gliders. Determine whether kinetic energy is conserved in this collision.

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Homework Answers

Answer #1

PART A:

Initial momenta

Final momenta

Hence linear momentum is not conserved.

PART B:

Initial kinetic energy

Final kinetic energy

Hence kinetic energy is not conserved.

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