A joule is equivalent to a

If you pour different liquids into a graduated cylinder, which layer would be at the bottom?

A 15 g bullet is fired horizontally into a block of wood with a mass of 2.5 kg and embedded in the block. initially the block of wood hangs vertically and the impact cause the block to swing so that it its center of mass rises 15 cm.

Complete the following statement: A force that acts on an object is said to be conservative a. if the work it does on the object is independent of the path of the motion. b. it results in a change in the object's kinetic energy. c.

What two characteristics do electromagnetic waves vary in?

One football is kicked into the air with an initial vertical velocity of 44 feet per second. Another football is kicked it to the air with an initial vertical velocity of 40 feet per second. a. Which football is in the air for more time? b.

Use the drop-down menus to complete the sentences. A thin wire has MORE resistance than a thick wire. A short wire has LESS resistance than a long wire. A warm wire has MORE resistance than a cool wire.

A book on a shelf 2.0 meters above the floor has a mass of 1.5 kilograms. what is the gravitational potential energy of the book

Which of the following is true about natural selection? A.) It occurs extremely rapidly B.) It can always be observed within a single generation C.) It causes mutations to occur D.) It causes more useful traits to be passed to offspring

Three ways to increase the potential difference across a lamp without changing the power supply.

A cat chases a mouse across a 0.63 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.4 m from the edge of the table. The acceleration of gravity is 9.81 m/s 2 .