Matter is needed to transfer thermal energy by

A. Conduction

B. Convection

C. Radiation

D. Both A & B.

My older brother received a ticket for driving 80 miles per hour. This information describes my brother's

How does distance between two objects affect their gravitational force

Which describes the information required to determine the average velocity of an object? A. speed and time B. distance and time C. displacement and time D. mass and time My answer is A, but I am not sure.

What are two conductive materials separated by an insulator, and used to store electric potential energy?

What float system rises and sinks in upper ocean to collect date and transmit to satellite?

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes

Match each type of line or symbol, common to geologic maps, to its description. 1. Fault Line A. very dark and thick line 2. Contact Line B. very light and thin line 3. Axis Fold C. look like a stubby T 4. Strike and Dip D.

You drop your backpack out of a window from a height of 8.3 m. What is the impact speed of your backpack? A. 163 m/s B. 1.2 m/s C. 21.3 m/s D. 12.8 m/s

What is the kinetic energy of a car that has a mass of 1,600 kg and is moving at 22 m/s?