What do snow melting, water freezing to ice, and water boiling into steam have in

common? *

O

They involve a change in state.

They involve a change in temperature.

O

They involve a change in thermal energy.

All of the above are true.

Which of the following is true about APR A. APR is always chosen by the borrower B. APR occurs when money is borrowed from the bank C. APR is not charged to those who are members of the bank D. APR only exists on car and student loans

There are two uncharged objects, A and B. Some electrons move from A to B. How does the charge of the two objects change?

Which of the following properties of an object determines its terminal velocity when the object falls toward the Earth? a. shape b. weight c. mass d. density

If an object gains electrons after rubbing against anither object, it was charged by

The engine of the car develops a driving force of 4000N. Air resistance also acts on the car, with a force of R. If the car has a mass of 1000kg, and is accelerating at 1.5m/s^2, calculate the magnitude of R.

In soccer, When throwing in the ball for a throw-in a player may use one hand like a baseball throw? true or false

If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have A. a frequency higher than the original frequency. B. a pitch lower than the original pitch. C. a period higher than the original period. D.

Waves on a pond are an example of which kind of wave? a. sound b. surface c. deep water d. non-mechanical

A freight train traveling with a velocity of - 4. o m/s begins backing into a train yard. if the train's average acceleration is - 0.27 m/s^2 what is the trains velocity after 17s

A current of 19.5 mA is maintained in a single circular loop with a circumference of 2.30 m. A magnetic field of 0.710 T is directed parallel to the plane of the loop. What is the magnitude of the torque exerted by the magnetic field on the loop?