A cinder block is sitting on a platform 20 m high. it weighs 7.9 the block has potential energy. calculate it.

If a charged object is brought near the sphere, how is the charge on the sphere related to its motion?

Which is a major area of study in psychology

The Chemical make-up of Earth's atmosphere during the cretaceous period

What is the route number for (697 and 129)

An electron moves in the - x direction through a uniform magnetic field that is in the - y direction. which direction is the magnetic force on the electron?

An alpha particle travels at a velocity of magnitude 550 m/s through a uniform magnetic field of magnitude 0.045T. (An alpha particle has a charge of charge of + 3.2 x 10-19 C and a mass 6.

A woman tries to put lipstick in the car. She has to come to a fast stop, and the lipstick falls to the floor and rolls forward, under the brake pedal. She dies. Why does this happen?

The slope of the line on any speed vs time graph is equal to the objects?

True or False? a globular cluster is a group of older stars that are clustered together.

The doppler effect is the change in observed frequency due to