A man stands on a scale in an elevator as shown here. the force of his weight when the elevator is still is fg downward. suppose the elevator's acceleration downward is 1/4 g. the weight of the man, fs, is what

We have a hollow metallic sphere with charge - 5.20 µC and radius 5.40 cm. We insert a + 10.4 - µC charge at the center of the sphere through a hole in the surface. What charge now rests on the outer surface of the sphere?

What is the magnitude of the gravitational force of attraction between two 0.425-kilogram soccer balls when the distance between their centers is 0.500 meter?2.41 Ă - 10'11 N4.82 Ă - 10'11 N5.67 Ă - 10'11 N1.13 Ă - 10'10 N

A car travels 1.7 km in the x-direction, then turns left 63.4° to the original direction and travels an additional distance of 3.25 km. calculate the x-component of the car's net displacement

What is the name of the energy that results from the interaction of charged particles?

Can an object be increasing in speed as it's acceleration decreases?

A student throws a coin vertically downward from the top of a building. The coin leaves the thrower'S hand with a speed of 15.0m/s. How far does it fall in 2.00 s?

A force between two objects?

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also feels warm to touch.

Which part of the motor is responsible for reversing the flow of current?

In a generator, as the magnet spins, opposite poles of the magnet push the electrons in opposite directions. This back-and-forth movement of electrons is called what? A) revolutions per minute B) direct current C) alternating current.