Neglecting friction, of a pendulum bob has 100 joules of kinetic energy at the bottom of its swing, how much potential energy does it have at the top of its swing

Which describes how outer space, air, and glass affect the speed of light? A. Light travels fastest through glass, it travels somewhat slower though outer space and of these three, it travels the slowest through air. B.

The solid that is formed and usually sinks to the bottom of a solution is the

Which of the following statements describe the transfer of energy?

An electric heater uses 3 / 5 watts of power each hour. How many watts of power will the heater use in 1 / 2 hour? a. 3/10 b. 11/10 c. 3/5 d. 11/5

How do braces protect you while doing sports

A force of 6.0 newtons changes the momentum of a moving object by 3.0 kilogramâ¢meters per second. how long did the force act on the mass?

What happens if you drop out of navy seals?

X-component is 5, and y-component is 4. what is the angle of vector?

An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.83 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.95 s at the rate of 481 kg/s.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction?