1. Describe what the law of conservation of energy states

A 52.0-kilogram skateboarder does a trick on a half-pipe. During the trick, he reaches a speed of 8.90 m/s. The radius of the half-pipe ramp is 3.00 meters. What is the minimum centripetal force necessary to keep the skater on the ramp?

What would happen if earth's axis of rotation were not tilted but instead were perfectly perpendicular to the plane of its orbit around the sun?

Work and energy have the same units because A. the words "work" and "energy" are interchangeable. OB. work is a measurement of the transfer of energy. C. work opposes energy. D. whenever work is lost, energy is gained.

A particle moves at a speed such that its kinetic energy just equals its mass energy. what is the speed of the particle? a. 3 x 108 m/s; b. 2.6 x 108 m/s; c. 2.82 x 108 m/s; d. 2.3 x 108 m/s

Which electromagnetic wave has wavelengths ranging from the size of a printed period to the length of a pen (1*10-3 to 1*10-1 meters) ?

What happens when ionic bonds are formed? Metal atoms lose electrons, and nonmetal atoms gain electrons. Metal and nonmetal atoms both lose electrons. Metal atoms gain electrons, and nonmetal atoms lose electrons.

Explain what centimeters, kilometers, and millimeters are.

Two bullets have masses of 3.1 g and 4.4 g, respectively. Each is fired with a speed of 42.0 m/s. a) What is the kinetic energy of the first bullet? Answer in units of Jb) What is the kinetic energy of the second bullet?

What kind of energy does a light bolt have?

What renewable source would be affected by cloud clover