Kinetic and Potential Energy
Which of the following is and example in which kinetic energy is converted to potential energy?
a spring is stretched
If you throw a ball into the air, where will it have the greatest gravitational potential energy?
at its highest point
When riding a roller coaster, you go up and down many hills. When do you have the maximum kinetic energy?
at the bottom of each hill
Where does the frog possess kinetic energy?
only at position Q
Energy that is stored is called:
potential energy
A waterfall is an example of:
potential energy being converted into kinetic energy
A waterfall us an example of:
potential energy being converted into kinetic energy
A book is pushed off the edge of a table. At what point during the fall will the potential and kinetic energy be equal?
1/2 of the way down
Which of the following has the greatest kinetic energy?
a 20 kg stone traveling at 10 m/s
Which of the following is an example of potential energy?
a battery
which of the following is an example of potential energy?
a compressed spring
A lump of coal and a can of gasoline are examples of?
chemical potential energy
What is kinetic energy?
energy of moving things
What is potential energy?
energy that is stored in an object and can be released at a later time
When you climb to the top of a water slide, you are gaining:
gravitational potential energy
When the ball is at position P:
it has both potential and kinetic energy
A monkey increases its gravitational potential energy by climbing to the top of the tree. What happens to that potential energy if he climbs back down halfway?
it would decrease by half
In a windmill, the blades spin due to the energy from the wing. The wind is caused by differences in temperature. Grain is crushed into powder form by the rolling wheel in the windmill. All of these example illustrate what kind of energy?
kinetic
Which statement is correct about the energy of the arrow is positions P and Q?
the arrow has only potential energy at P
At the top of its swing, a pendulum has zero kinetic energy. How much potential energy does it have at the bottom of the swing?
zero