What is a Light Year?

A music tuner uses a 550 Hz tuning fork to tune the frequency of a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is the frequency of the instrument?

The long heavy tail of a spider monkey enables the monkey to easily vary its a. center of gravity. b. weight. c. momentum. d. inertia. E. none of the above

From which sphere does most water evaporate? A. Lithosphere B. Hydrosphere C. Biosphere D. Atmosphere

In a closed circuit, the current only flows from the power source to an electrical device such as a lamp.

The following statement was made after the data were examined: "copper pots are the best pots for cooking food quickly." Which term best describes this statement?

What is the fundamental unit for measuring mass in the metric system?

What must be added to x^2+3/2x to make it a perfect square

The graph represents the heating of water in a pot. At 150 seconds, the water has just reached a boil. If the heat is left on, what will happen to the temperature and volume of water in the pot? (All temperatures in °C.)

A heating element has a resistance of 180 Ω and draws a current of 1.60 A. What is its power?

Car A runs a red light and broadsides Car B, which is stopped and waiting to make a left turn. Car A has a mass of 1,800 kg. Car B has a mass of 1,500 kg. After the impact, the cars stick together and slide away at a speed of 7.1m/s.