What is the approximate radius of pluto

What criteria do astronomers use to classify an object as a planet

A camcorder has a power rating of 12 watts. If the output voltage from its battery is 3 volts, what current does it use? The current in a hair dryer measures 13 amps. The resistance of the hair dryer is 9 ohms.

As planets move toward the sun, they tend to: A. move at constant speed B. speed up C. burn up D. slow down

What is the most important laboratory procedure to follow before entering the lab area?

A specific example of how light year is used in space exploration. Pick one object in space (the nearest star, the nearest galaxy, the edge of the universe, etc.

A car driving on the turnpike accelerates uniformly in the positive x direction from 80 ft/s (54.5 mph) to 103 ft/s (70.2 mph) in 3.10s. What is the x - component of the car's acceleration?

Why were republicans able to dominate politics from 1860 until 1932?

A bat hitting a baseball is an example of a field force true or false.

Is the property of matter in which a substance can transfer heat or electricity

A 1.14x10^4 kg lunar landing craft is about to touch down on he surface of the moon, where the acceleration due to gravity is 1.6 m/s^2. At an altitude of 165m the craft's downward velocity is 18.0m/s.