What do you use to light a laboratory burner

An electric lamp creates light by forcing electrons through the filament of its light bulb. The kinetic energy of the moving electrons comes directly from? electric kinetic energy. electric potential energy. chemical potential energy.

A cloud type that usually produces precipitation is a (n)

A ball is thrown forward at 5 m/s how would the path of the ball differ on earth than on the moon

Circle one motion of the moon and one motion of earth that allows an observer in New York State to see one cycle of the phases of the moon

What is the total amount of energy stored in a 12-V, 75 A*h car battery when it is fully charged?

Salt water has greater density than fresh water. A boat floats in both fresh water and in salt 12) water. Where is the buoyant force greater on the boat?

A 1000-kg space probe is motionless in space. to start moving, its main engine is fired for 5 s during which time it ejects exhaust gases at 5000 m/s. at the end of this process it is moving at 20 m/s. the approximate mass of the ejected gas is:

In the fishbowl, the glass, water, rocks, and plastic plants are in thermal equilibrium. This situation means the temperature of the rocks is? F. If the water is 75 degrees

An archer shoots an arrow at a 75.0 m distant target; the bullâs-eye of the target is at same height as the release height of the arrow. (a) at what angle must the arrow be released to hit the bullâs-eye if its initial speed is 35.

Which of the following is considered a contact forces?1) the force between two magnets. 2) the gravitational pull of a planet. 3) friction between an object and air. 4) the force between two charged particles.