Potential
A 0.6 kg pendulum is raised to a height of 2.2m. What is its potential energy?
13 J
Kinetic energy can be described as energy due to ___________________.
Energy due to motion.
A 4 kg box is pushed 5m with a force of 3N. How much work was done?
15 J
Marble A (2kg) travels at 4 m/s and hits marble B (2 kg) which is at rest. If marble A stops, how fast is marble B going?
4 m/s
Describe what conservation of energy means.
Total energy __________ must be equal to total energy ___________.
Total energy before must be equal to total energy after.
A 4.6 kg pendulum is raised to a height and gains 90 J of potential energy. How high was it raised?
2m
Find the kinetic energy of a 2 kg mass going 5 m/s.
25J
A box is pushed by a force of 400N and 200 J of work is done. How far did it go?
0.5m
Marble A (2kg) travels at 4 m/s and hits marble B (4 kg) which is at rest. If marble A stops, how fast is marble B going?
2 m/s
If an object starts at the top of a hill with 400J of potential energy and rolls down, how much energy and what kind will it have rolling at the bottom?
400 J kinetic
A pendulum is raised to a height of 1.84 m and gains 90 J of potential energy. What is its mass?
5 kg
Find the kinetic energy of a 2 x 10 6 kg mass going 4 x 10 -3 m/s.
16 J
A box is pushed by a force of 400N and 210 J of work is done in 3s. How much power was used?
70W
Marble A (2kg) travels at 4 m/s and hits marble B (2 kg) which is traveling 2 m/s. If marble A stops, how fast is marble B going?
6 m/s
If and object is thrown straight up with a kinetic energy of 600J how much energy and what type will it have at the top of its flight?
600 J potential
A 6x 10-3 kg rock is lifted 1.19 x105 m high. What is the PE?
7000 kg
Find the mass of an object going 4 m/s with a kinetic energy of 500J.
63kg
A box is pushed by a force for 6m and 200 J of work is done. How much force is used ?
33N
Marble A (2kg) travels at 4 m/s and hits marble B (2 kg) which travels at 3 m/s. If marble A continues at 2m/s, how fast is marble B going?
5 m/s
A 4 kg ball is straight up at 10 m/s. How high will it get?
5.1m
A 1/3 kg mass is lifted until it has 5 1/2 J of potential energy. How high is it?
1.7 m
Find the velocity of an object with 500J of kinetic energy and a mass of 6kg.
13 m/s
A 5N box is pushed for 3s with 900 W. How far did it go?
540m
Marble A (2kg) travels at 4 m/s and hits marble B (2 kg) which travels at 3 m/s. If marble B continues at 6 m/s, how fast is marble A going?
1 m/s
A 2 kg rock sits at the top of a 4.1 m hill. If it rolls down, how much velocity will it have at the bottom?
9 m/s