Kinetic and Potential Ex.
A ball is rolling down a hill. What kind of energy does it have?
What is kinetic
What is the kinetic energy of a 55 kg boulder rolling down a hill at 10.2 m/s?
2861.1 J
A 15 kilogram boulder sitting on top of a 1525 m mountain begins to roll down the mountain at 15 m/s . What is the potential energy of the boulder?
What is 224,175J
What's a Joule?
a unit of energy
Another word for light energy
radiant
A roller coaster is at the top of the track. What kind of energy does it have?
What is Potential
The type of energy found in car batteries.
What is chemical potential
Where is a position where it established that an object has no potential energy?
on the ground
A type of kinetic energy where you have waves hitting your ear drum
Sound energy
What is a variable must be squared to find kinetic energy?
What is velocity
What kind of energy does an airplane flying through the air?
What is both potential and kinetic energy
What is potential energy?
stored energy
What is kinetic energy
Energy with moving parts
mechanical
The kinetic energy of a ball at the bottom of a hill equals________.
What is potential energy at the top?
What has more kinetic energy object A which has a mass of 2kg and a velocity of 2m/s, or object B which has a mass of 1kg and a velocity of 3m/s.
What is object B?
The unit of energy measurement.
Joules
What is the type of potential energy determined by the amount of work gravity could do?
What is gravitational potential energy
Type of radiant energy used to treat cancer
Gamma rays
What is the potential energy of an object with mass of 50kg that is 100m off of the ground?
What is 49,000 Joules?
If a 150 kilogram plane is stopped on the runway, how much kinetic energy does it have?
What is none...it is stopped
What are two types of potential energy?
Gravitational and Chemical Potential
PE+KE=?
What is ME
Type of radiant energy used to heat food
microwaves