Physics » B. Conservation of Energy and Momentum » B.1. Work, Energy, Power

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Work

• Overview
• Solving for the work using the equation W = Fd cosθ

Gravitational Potential Energy

• Overview
• Solving for gravitational potential energy using the equation U_g = mgh

Spring Potential Energy

• Overview
• Solving for spring potential energy using the equation U_S = 1/2 kx²

Kinetic Energy

• Overview
• Solving for the kinetic energy of an object using the equation KE = 1/2 mv²

The Work-Energy Theorem

• Overview
• Solving for the total work done on an object using the formula W = ∆KE
• Solving for distance orforce from the total work done on an object using W = Fd and W = ∆KE

Conservation of Mechanical Energy for Objects that are dropped

• Overview
• Determining the gravitational potential energy of an object that is dropped after a given amount of time
• Determining the kinetic energy of an object that is dropped after a given amount of time
• Determining the velocity of an object that is dropped after a given amount of time
• Determining the maximum velocity that an object reaches after it is dropped

Conservation of Mechanical Energy for Objects that are Launched from Springs

• Overview
• Determining the gravitational potential energy and kinetic energy of an object that is launched from a spring
• Determining the height and velocity of an object that is launched from a spring
• Determining the kinetic energy and velocity of an object that is launched from an spring
• Determining the maximum gravitational potential energy and height of an object that is launched from an spring
• Determining the maximum kinetic energy and maximum velocity of an object that is launched from an spring

Conservation of Mechanical Energy for Hanging Spring-Block Oscillators

• Overview
• Solving conservation of mechanical energy problems involving spring-block oscillators

Conservation of Mechanical Energy for Simple Pendulums

• Overview
• Determining the maximum potential energy and height for a pendulum
• Determining the maximum kinetic energy and velocity for a pendulum

Power

• Overview
• Solving problems involving power using the formula P = W/t