Mechanical energy is the energy due to the _ and _ of an object.

the choices are Size, volume, motions, surface area, density, and position.

When is an object magnetic?

Calculate the moment of inertia of a bicycle wheel 66.7 cm in diameter. the rim and tire have a combined mass of 1.25 kg. the mass of the hub can be ignored since it distance from the axis of rotation is so small.

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 2.7 m/s. The acceleration of gravity is 9.81 m/s^2. What is the initial height of the bob? Answer in units of m.

A spring with spring constant 18.8 N/m hangs from the ceiling. A ball is suspended from the spring and allowed to come to rest. It is then pulled down 5.00 cm and released. The ball makes 36.0 oscillations in 22.0 seconds.

Why does the shape of the moon change

As protostars continue to contract, their cores become hotter and more dense until what process begins ...

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?

Which of the following elements are the most reactive? beryllium, calcium, magnesium, barium?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?