The formula 1/2 x m x v2 (1/2 mass multiplied by velocity squared) is used to calculate why type of energy?
What is kinetic energy?
100
Calculate power for the following: P=W/T
Dante uses 14 J of work to lift a weight for 30 seconds. How much power did he use?
What is .47 watts?
100
Name the form of energy that is dependent on electrical charges.
What is electrical energy?
100
This law states that energy cannot be created or destroyed.
What is the Law of Conservation of Energy?
100
Use the word kenetic energy correctly in a sentence.
What is ...
200
The kind of basic energy where the Greek root means "moving".
What is kinetic energy?
200
Use the formula: P=W/T
A machine produces 4000 Joules of work in 5 seconds. How much power does the machine
produce?
What is 800 Watts?
200
This type of energy is due to energy store in bonds.
What is chemical energy?
200
T or F
Energy cannot be transformed into other forms of energy.
What is False?
200
What vocabulary term from chapter 13 is this the definition of: The energy transferred through space by electromagnetic wave.
What is electromagnetic radiation (energy).
300
What are the two main types of energy?
What are potential and kinetic energy?
300
Use the formula: W=F x D
You lift a box that weighs 50 N to a height of 1.7 m. How much work did you do on the box?
What is 85 NM?
300
This type of energy is travels in waves?
What is electromagnetic energy (radiant)?
300
A roller coaster has 2000 Joules of potential energy at the top of its tallest hill. Assuming there is no friction, how much kinetic energy does the roller coaster have at the bottom of the hill when it is traveling its top speed?
What is 2000 J?
300
What is the ability to do work or cause change?
What is energy?
400
What is the formula for calculating potential energy?
What is mgh?
400
Use the formula: KE= 1/2 m x v2
Calculate the total amount of kinetic energy of a 5 kg rock that is rolling at a rate of 15 m/s.
What is 1,125 J of energy?
400
This type of energy is equal to the total amount of kinetic and potential energy in a system.
What is mechanical energy?
400
Describe the energy transformations in the following scenario.
A person jumping on a pogo stick.
What is elastic potential energy, to mechanical (kinetic), to GPE, to mechanical (kinetic).
400
What is the energy stored in the nucleus of an atom?
What is nuclear?
500
What unit is energy most commonly in?
What is Joules (or millijoules)?
500
Use the formula: PE=mgh
Calculate the amount of potential energy stored in a rock that has a mass of 5 kg and is 5 meters above the surface of the earth.
What is 245 J of energy?
500
This type of energy is the total potential and kinetic energy of the PARTICLES in an object.
What is Thermal?
500
Describe the energy transformations involved when you charge your cell phone.
What is electrical to electrical. Some energy is transferred out to thermal (heat).
500
Define work.
What is force exerted on an object that causes it to move.