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Posted: **Mon May 23, 2022 11:58 am**

: On A Frictionless Horizontal Air Table Puck A With Mass 0 245 Kg Is Moving Toward Puck B With Mass 0 360 Kg That 1 (147.73 KiB) Viewed 20 times

: On A Frictionless Horizontal Air Table Puck A With Mass 0 245 Kg Is Moving Toward Puck B With Mass 0 360 Kg That 2 (250.02 KiB) Viewed 20 times

On a frictionless, horizontal air table, puck A (with mass 0.245 kg) is moving toward puck B (with mass 0.360 kg), that is initially at rest. After the collision, puck A has a velocity of 0.119 m/s to the left, and puck B has velocity 0.660 m/s to the right. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Collision along a straight line.
What was the speed of puck A before the collision? Express your answer in meters per second. V = 0.851 m/s Previous Answers Correct IDENTIFY: Apply conservation of momentum to the system of the two pucks SET UP: Let + be to the right EXECUTE: P₁ P2 says (0.245 kg) Ai (0.245 kg)(-0.119 m/s) + (0.360 kg) (C Part B Calculate the change in the total kinetic energy of the system that occurs during the collision. Express your answer in joules. ΑΣΦ AK = 8.4 J Submit Previous Answers Request Answer X Incorrect; Try Again; 6 attempts remaining