AP Physics C: Mechanics/ Unit 3 – Work, Energy, and Power

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You’ll learn to define and calculate work, energy, and power and become familiar with the principle of conservation as a foundational model of physics.

Question Difficulty:

Question	Difficulty	Students Solved
Pendulum With Variable Length	hard	1
System Definition and Mechanical Energy	hard	2
Kinetic Energy in Different Reference Frames	hard	-
Pendulum Energy With Air Resistance	hard	1
Orbital Speed and Radius	hard	-
Instantaneous Power from a Constant Force	hard	-
Elliptical Orbit Apogee	hard	-
Maximum Power in a Mass-Spring System	hard	-
Power in Simple Harmonic Motion	hard	-
Vertical Spring Energy with Friction	hard	-
Instantaneous Power in Simple Harmonic Motion	hard	-
Energy Dissipation Due to Drag Force	hard	-
Gravitational Potential Energy of a Pentagonal System	hard	-
Elliptical Orbit Speed at Perigee	hard	-
Mechanical Energy for a Circular Orbit	hard	-
Power for an Orbital Maneuver	hard	-
Maximum Power in Simple Harmonic Motion	hard	1
Conservation of Energy in an Elliptical Orbit	hard	-
Maximum Power Delivered by a Spring	hard	-
Work-Energy With Position-Dependent Friction	hard	-

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Unit Leaderboard

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	gizatturegaliev	19	20	0m 00s	1,890
#2	erikayeh0801	14	22	0m 00s	1,320
#3	shriyaans.nathan09	13	16	0m 00s	1,270
#4	ujwalkusumya	15	41	0m 00s	1,240
#5	berenduyguyilmaz.outlook.com	7	12	0m 07s	643
#6	aarastad	5	10	0m 00s	450
#7	taeholee09	3	5	0m 00s	280
#8	mali.nehme	3	5	0m 00s	280
#9	lohjiahaok	6	6	6m 01s	239
#10	ijiwon073	8	11	9m 00s	230

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