Which is a compound machine? a broom a screwdriver a slide a pair of scissors

A rollercoaster car with a mass of 15 kg rolls down a ramp that is 10.0 meters tall. A) Draw a sketch of the situation.

What is the is the 94th element of the periodic table

How is aluminium foil able to reduce heat loss through the walls of a house

How to find a total resistance of the circuit

A softball is hit high into the air. As it rises, the softball A) loses kinetic energy and loses potential energy. B) loses kinetic energy and gains potential energy. C) gains kinetic energy and gains potential energy.

A proton in a particle accelerator is traveling at a speed of 0.99c. (a) If you use the approximate nonrelativistic equation for the magnitude of momentum of the proton, what answer do you get?

An object of mass 3 kg, moving with and sticks to an object of mass 2.00 kg with an initial velocity of 3.00 m/s. Find the final velocity of the composite object.

What is the mathematical relationship between frequency wavelength and wave speed?

What is the basic unit of each type of elements

White light is composed of all the colors of the visible light spectrum. The spectrum is usually said to consist of A) red, blue and green B) red, yellow, blue and green C) red, orange yellow, green, and blue D) red, orange yellow, green, blue, and