A wheel with rotational inertia i is mounted on a fixed, frictionless axle. the angular speed ω of the wheel is increased from zero to ωf in a time interval t. what is the average net torque τ on the wheel during this time interval?

Why aren't there more craters on earth than the moon.

A 4 watt night light is left on for 8 hours each night how much work does it do per night

Calculate the frequency of a light wave that has a wavelength of 3.25x10-6 m

Definition of heat in own words

Which of the following statements is not true about batteries? a. The accessibility of the electrodes limits the cell's output voltage. b. Some cells do not produce a steady voltage. c. The cell will always be at standard state in real life. d.

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.

Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.

No physical processes have ever been demonstrated which provide a mechanism for the universe to assemble itself. True False

A very famous motorcyclist plans to jump across a canyon 3.5 kilometers wide. he plans to use a 30 degree ramp and leaves it at 196 m/s. Will he make it? show all calculations to prove your answer

Which composition of water moves within a deep-water current?