Law of Conservation of Energy
Potential Energy
Kinetic Energy
Work
Power
100

The definition of the law of conservation of energy

What is the total energy of an isolated system remains constant

100

formula for potential energy

What is mgh

100
At its most just before??
What is hitting the ground
100
While he and his family are moving, Joshua drags his suitcase 12.64 m from the front door to the car at a constant speed of .43 m/s. He does this with a horizontal force of 87.0 N. How much works does he do to over come friction??
What is 1100 J
100
While he and his family are moving, Joshua drags his suitcase 12.64 m from the front door to the car at a constant speed of .43 m/s. He does this with a horizontal force of 87.0 N. If he does all of this within 17 s, how much power has he put out??
What is 65 W
200

the position where kinetic and potential energy are proven to be equal

What is the midpoint

200
position where the potential energy is at its lowest
What is bottom
200
definition of kinetic energy??
What is "moving" energy
200
If Aimee does 5.1 J of work to move her dresser drawer a distance of 2.3 m, how much power did she have to exert??
What is 2.2 N
200
If Aimee does 5.1 J of work to move her dresser drawer a distance of 2.3 m and all of this is done in 8 s, how much power has been exerted??
What is .64 W
300

the type of energy that is stored in food and is the energy of molecular bonds

What is chemical potential energy?

300
a compressed spring that obeys Hooke's law has a potential energy of 18 J. if the spring constant of the spring is 400 N/m, find the distance by which the spring is compressed.
What is .3 meters
300
A 4 kg ball is n a 5 m ledge, if i's pushed off, how much kinetic energy will it have just before hitting the ground??
What is 200 J
300
W= Fdcos(theta)
What is the formula for work when the force is exerted at an angle that is either greater than, less than, but not equal to 90 degrees or 0 degrees.
300
A 60 watt bulb runs for 5 seconds. How much energy does it use??
What is 300 J
400

A black toy truck is heading left with a mass of 6 kg at 12 m/s towards a red truck moving to the right with a mass of 8 kg at 10 m/s. When they collide, their new velocity is 5 m/s. What is the amount of thermal energy that is lost to this collision??

What is 700 J?

400
a rolling ball has 18 J of kinetic energy and is rolling 3 m/s. find its mass.
What is 4 kg
400
A 2.3 kg mass attached to a horizontal mass-less spring with spring constant 54 N/m, is released 0.42 m from its equilibrium position. What is the mass' speed as it passes through its equilibrium position??
What is 2 m/s
400
Calculate how much work was done if an object is pulled at an angle of 47 degrees along a 6 m path with a force of 13 N.
What is 53 J
400
You push down on a 30 N box for 10 minutes. how much power is used??
What is 0 W
500

If a ball of mass 250g is thrown into the air, going 10 m/s. calculate how high it travels and what energy does it have then?

What is 5 meters & Gravitational Potential Energy

500
which has more potential energy?? an empty plane or a full plane? (both are flying)
What is full plane
500
k = 100 J v = 2 m/s What is the object's mass??
What is 50 kg
500
Person A and Person B are competing against each other, they both can lift 75 kg boxes 3.5 m off of the ground. Person A lifts her box in 1.5 s and Person B lifts his box in 2.4 s. Which person does more work??
What is NEITHER
500
Person A and Person B are competing against each other, they both can lift 75 kg boxes 3.5 m off of the ground. Person A lifts her box in 1.5 s and Person B lifts his box in 2.4 s. Which person uses more power??
What is Person A
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