To recharge your cell phone you plug it into an electrical outlet for several hours. The electrical energy is stored as ___ energy until you are ready to use the phone.

A.

radiant

B.

thermal

C.

nuclear

D.

chemical

A car is going 7 m/s when it begins to accelerate. Sixty meters further down the road, the car is going 24 m/s. a) What was the acceleration of the car? b) How much time did the change from 7 m/s to 24 m/s take?

Which scale is being described? Water freezes at 32. Water freezes at 0. Water freezes at 273.

A maglev train can "float" because magnets in the bottom of the train and on the guideway ... A. have like poles that attract each other B. have unlike poles that repel each other C. have like poles that repel each other

Why do you think a clothes dryer requires a 220-volt outlet, while a toaster only requires a 110-volt outlet?

What is the modern Jatomic theory?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?