A police car drives with a constant speed of 60 m/h. How long will it take to travel a distance of 180 kilometers?

A train is approaching you at very high speed as you stand next to the tracks. Just as an observer on the train passes you, you both begin to play the same recorded version of a Beethoven symphony on identical MP3 players.

What properties define matter?

Rank the temperatures from highest to lowest O K O°F O°C is it C°, F°, K

The law of conservation of matter states that during a chemical reaction

Heat is energy that can do which of the following? Heat can: A. Keep things warm B. Do work C. Make engines run D. All of the above

What happens when a magnet is placed near a current-carrying wire

Which of the following has the greatest entropy? (Assume the same number of particles in each sample.) an ice cube steam a glass of water

Which type of wave requires no medium? ultrasonic wave water wave light wave sound wave

After rubbing two glass spheres with a silk cloth, you give each rod a charge of + 6.0 x 10-6C. The spheres are 0.1m from each other.

An input force of 35 newtons is applied to a machine with a mechanical advantage of 0.75. what is the size of the load this machine could lift (how large is the output force) ?