True/False: Gravitational potential energy is the energy stored in an object as the result of its vertical position or height
What is true?
100
How a bowling ball and marble have the same kinetic energy.
What is marble has much higher velocity?
200
The difference between kinetic and potential energy.
What is kinetic energy is energy thats in motion. Potential energy is stored energy either due to position or a property of the object (stretching)?
200
The factors that affect kinetic energy.
What are mass and velocity squared?
200
Mechanical energy is transferred through this.
What is work?
200
Most convenient form to store energy.
What is chemical?
200
How a bowling ball and marble have the same potential energy.
What is marble is much higher above the reference?
300
The unit of energy.
What is Joule?
300
The formula for kinetic energy.
What is KE = 1/2 mv^2
300
These are ignored with mechanical energy.
What is friction and thermal energy?
300
The Law of Conservation of Energy.
What is energy cannot be created or destroyed? The sum of all energies is constant?
300
Describe how a roller coaster using energy conversions.
What is electric energy moves the cart to the top of the first hill where it has potential energy. This energy is then transformed to kinetic during the rest of the ride?
400
Consider a ball thrown straight up in the air. The kinetic energy is maximum. The gravitational potential energy is maximum.
What is start and end of throw? What is at the top of the throw?
400
Location where a pendulum has maximum kinetic energy.
What is at the bottom?
400
The two types of potential energy.
What are gravitational and elastic?
400
This is how potential energy is used in a hydroelectric power plant.
What is water stored behind the dam (potential) is allowed to swiftly flow through turbines (kinetic) and transform to electrical energy?
400
The mass of a pendulum does not affect the velocity.
What is the mass is cancelled and it will only depend on the height above the reference?
500
The potential energy of an icecube 5 meters above ground with a force of 200 newtons.