A boy is twirling a model airplane on a string 4 feet long. if he twirls the plane at 0.25 revolutions per minute, how far does the plane travel in 4 minutes? round to the nearest tenth.

What state of matter describes yogurt? A) Solid B) Liquid C) Gas D) Plasma

Of the list of objects below, write the ones you think would float in water: -Rock -Cruise ship -Quarter -Saturn -Beach ball

I have a baseball bat. I shave off some weight from the handle and put it on the head of the bat. A baseball player thinks I have changed the bat's moment of inertia. Is he right or wrong

Clyde and Marilyn are riding a roller coaster. During which section of the track is their potential energy converted to kinetic energy?

What are the units represent work

If a steam engine produces work, how does the internal energy of the machine change?

When energy is converted from one form to another in a chemical or physical change, which of the following also changes by a measureable amount? Select the correct answer below: a. The total mass in the system b. The force of gravity c.

Which of the following is not a result or consequence of rising average air temperatures on Earth? Glaciers and ice sheets melt. Sea levels rise. Evaporation increases. Salinity increases.

How does the doppler effect explain differences in sound pitch? choose all that apply?

A generator converts