A 12 g baby carriage is sitting at the top of a hill that is 21 m high. What is the energy and calculate it

Which type of wave can travel without a medium

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

The inner planets or call terrestrial because they