What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s? A. 450 J B. 900 J C. 8,100 J D. 16,000 J

According to the navigation rules, which must be aboard a 22-foot powerboat

Wave A is being decreased in temperature, and Wave B is moving from a liquid to a gas medium. Which statement can be made about both waves? They will speed up. They will increase the density of their medium. They will slow down.

Which term describes the bending of a wave as it travels into a different medium? A. Reflection B. Interference C. Diffraction D. Refraction

A 5.0 ohm resistor, a 10 ohm resistor and a 15.0 ohm resistor are connected in parallel with a battery. the current through the 5.0 ohm resistor is 2.4 amperes. calculate the amount of electrical energy expended

ions are atoms or groups of atoms that have a positive or negative charge. which of the following statements is true of ions?

Potential energy and kinetic energy are created when work is done to change a position (PE) or a state of motion (KE). Ignoring friction, how does the amount of work done to make the change compare to the amount of PE or KE created? a.

The wavelength of a wave is the wavelength of a wave is how strong the wave is. equal to the speed of the wave times the wave's frequency. the distance between where the wave is emitted and where it is absorbed.

What is a carbon whip?

2 A scientific theory is

Explain the roles of Earth's own energy sources and solar energy in the rock cycle