When a loose brick is resting on a wall, it has energy. When the brick is pushed off the wall and is falling down, the amount of energy is decreasing while the amount of energy is increasing.

A car traveled 1425 km from el paso tx to dallas tx in 12.5 hours. what was the cars average speed

Walt ran 5 km in 25 minutes going east to what was his average velocity

A ray of light strikes a mirror. The angle formed by the incident ray and the reflected ray measures 90 degrees. What are the measurements of the angle of incidence and the angle of reflection?

During which sleep stage does dreaming usually occur? A. Stage 3 B. Stage 2 C. Stage 1 D. REM

a motorcyclist sees a branch in the road and hits the brakes, slowing down at - 6.42 m/s. if it takes him 2.85 us to stop, what was his starting velocity

According to the kinetic theory of gases, the kinetic energy of molecules is proportional to which factor? A. Concentration in moles/liters B. temperature in kelvin

A large container of water is sitting on a balance. The weight of the container plus the water is 10 newtons. An object the weight of 7 newtons hanging from a forcemeter is lowered towards the surface of the water.

Which of the following could you do to increase the strength of an electromagnet?

A car accelerates from 13 m s to 25 m s in 6.0 s. what was its acceleration? how far did it travel in this time? assume constant acceleration.

How much elastic potential energy is stored in a bungee cord with a spring constant of 10.0 N/m when the cord is stretched 2.00 m?