PE
Stored energy due to position.
What is potential energy?
Energy in the form of motion.
What is kinetic energy?
Total amount of kinetic and potential energy in a system.
What is mechanical energy?
Energy cannot be created or destroyed.
What is the Law of Conservation of Energy?
The ability to cause change.
What is energy?
Energy stored in chemical bonds.
What is chemical potential energy?
The amount of kinetic energy a moving object has depends on its mass and its . . .
What is speed?
Energy in the form of heat that escapes a mechanical energy system.
What is thermal energy?
Causes some mechanical energy to change to thermal energy.
What is friction?
Unit used to measure energy of food.
What is a Calorie?
Energy stored by things that stretch or compress.
What is elastic potential energy?
Doubling an object's velocity will do this to its kinetic energy.
What is quadruple?
All of the energy in the universe today is a result of the mechanical present at this time.
What is the Big Bang?
You convert kinetic energy to thermal energy when you rub to sticks together because of this
What is friction?
SI unit of energy.
What is a Joule?
Energy stored by things that are above earth.
What is gravitational potential energy?
A change in this has a greater impact on the kinetic energy of an object.
What is speed?
To overcome thermal energy loss due to friction in a automobile engine this is used.
What is a lubricant (oil)?
In old train engines the potential energy of wood was converted to make steam to cause the train to move. What form of energy was the steam?
What is thermal energy?
The name of the form of energy that mathematically is present in the universe, causing it to expand, but humans have not devised a way to detect it yet.
What is Dark Energy?
CALCULATION: A 10 kg gold bar is dropped 1.5 m from the bag of a theif. The potential energy of the bar was . . .
What is 147 J?
CALCULATION: A race car has a mass of 1,000 kg and a speed of 10 m/s. The kinetic energy would be
What is 100,000 J?
CALCULATION: A car has 10,000 J of mechanical energy. 4,500 J of kinetic energy in the motion of the car. 4,000 J of potential energy in the fuel. The amount of thermal energy escaping the system.
What is 1,500 J?
CALCULATION: Mr. Welch places his 0.035 kg golf ball on a tee 0.10 m that sits on an elevated tee box 50.0 m above the green. If the wind blows the ball off the tee and it rolls down the hill to the green, it should have this speed if there is no friction
What is 22 m/s?
CALCULATION: A #1 Arby's combo meal of barbequed brisket sandwich, curly fries, and a medium drink has 1,150 calories (heat unit) listed on the screen. The number of Calories (food unit) of that meal.
What is 1,150,000 Calories?