Kinetic Energy
Potential Energy
Hodge Podge
Conservation of Energy
Calculations Only!
100
The units of kinetic energy are always this
What is joules
100
The units of potential energy are always this
What is joules
100

The ____ is the position at which gravitational energy is zero.

What is reference level

100
This law states that energy can neither be created or destroyed
What is the law of conservation of energy
100

You lift a 2.73-kg textbook from the floor to a shelf 1.75 m above the floor. What is the book's gravitational potential energy relative to the floor?

What is 46.8 J

200

This is the formula for kinetic energy

What is KE = 1/2 mv^2

200

This is the formula for gravitational potential energy

What is PEg = m*g*h

200

The sum of the kinetic and gravitational potential energies of a system are called this.

What is mechanical energy?

200
The maximum amount of kinetic energy the roller coaster of love can have if it starts with 500 J of potential energy
What is 500 J of kinetic energy
200
The roller coaster of love has 35 joules of kinetic energy, what is the maximum height it can reach if it has a mass of 3.5 kg?
What is 1 m?
300
The energy a 5 kg backpack has if it is thrown across the room at 8 m/s
What is 160 Joules
300
How much more potential energy a book has if the height is doubled.
What is twice as much energy?
300

Out of these three choices, which is not an example of stored potential energy: rubber ball, rubber band, steel pole, or trampoline

What is steel pole

300
The amount of kinetic energy the roller coaster of love will have if it goes up halfway to its maximum height, and it began with 300 J of kinetic energy.
What is 150 J kinetic energy
300

A large chunk of ice with mass 12.0 kg falls from a roof 6.00 m above the ground. Ignoring air resistance, what is the speed of the ice when it reaches the ground?

What is 10.8 m/s

400

A large chunk of ice with mass 12.0 kg falls from a roof 6.00 m above the ground. Ignoring air resistance, what is the kinetic energy of the ice when it reaches the ground?

What is 706 J

400
The potential energy of a 50 kg book, 6 meters from the ground.
What is about 3000 Joules
400

Energy that causes the temperature of objects to rise is called ____ energy.

What is thermal

400
The maximum velocity the 5 kg roller coaster of love can obtain if it begins with 250 J of potential energy?
What is 10 m/s
400

A bike rider approaches a hill at a speed of 3.5 m/s. The mass of the bike and rider together is 77 kg. The rider coasts up the hill. Assuming that there is no friction, at what height will the bike come to rest?

0.62 m

500
How much more energy a bowling ball would have if it traveled at twice the original speed.
What is four times as much
500

A 75-kg rock climber first climbs 25 m to the top of a quarry, then descends 75 m from the top to the bottom of the quarry. If the initial height is the reference level, what is the potential energy of the system (climber plus Earth) at the top?

What is 18000 J?

500
The amount of work it takes for Missy Elliot to flip it (5 Newtons) and reverse it for 7 meters.
What is 35 Joules
500

In an accident on a slippery road, a car with mass 800.0 kg, moving at 12.0 m/s, smashes into the rear end of a car with mass 1250 kg moving at 8.0 m/s in the same direction. How much kinetic energy was lost in the collision if the wrecked cars lock together?

What is

500

A 75-kg rock climber first climbs 25 m to the top of a quarry, then descends 75 m from the top to the bottom of the quarry. If the initial height is the reference level, what is the potential energy at the bottom?

What is -3700 J

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