AP Physics C: Mechanics/ Unit 4 – Linear Momentum

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You’ll be introduced to the concepts of impulse and momentum, and the conservation of linear momentum.

Question Difficulty:

Question	Difficulty	Students Solved
Maximum Scattering Angle in an Elastic Collision	hard	-
Rocket Propulsion and Final Momentum	hard	-
Momentum of a Defined System	hard	-
Inelastic Collision With External Impulse	hard	1
Coefficient of Restitution and Conserved Energy	hard	-
Variable-Mass System Momentum	hard	1
Two-Dimensional Elastic Collision	hard	-
Two-Dimensional Elastic Collision	hard	1
Average Force During a Bounce	hard	-
Variable-Mass Rocket Momentum	hard	-
Kinetic Energy in an Inelastic Collision	hard	-
Rocket Propulsion in Free Space	hard	-
Kinetic Energy in an Inelastic Collision	hard	1
Condition for Momentum Conservation	hard	2
Coefficient Of Restitution And Energy Loss	hard	-
Inelastic Pendulum Collision	hard	-
Kinetic Energy in a 2D Elastic Collision	hard	2
Elastic Collision Recoil Angle	hard	-
Rocket Velocity with Variable Mass	hard	-
Conservation of Momentum in an Explosion	hard	2

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Unit Leaderboard

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	alicelin104061	33	37	0m 00s	3,260
#2	comedygollllldreams	20	20	0m 00s	2,000
#3	gizatturegaliev	19	20	0m 00s	1,890
#4	erikayeh0801	17	24	0m 00s	1,630
#5	shriyaans.nathan09	15	18	0m 00s	1,470
#6	aarastad	13	17	0m 00s	1,260
#7	itzzhanachan	17	46	4m 31s	1,139
#8	busemagngr	18	29	13m 23s	887
#9	fsfa.alsharif	6	7	0m 00s	590
#10	ijiwon073	11	11	10m 56s	444

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