A 200 kg roller coaster car is located at the top of a hill where the height is 30 m. What is the velocity when it reaches the bottom of the hill? 5.5 m/s 11.2 m/s 16.7 m/s 24.2 m/s

Which statement correctly describes the formation of an electric current? A resistance causes electric charges to move from lower to higher potential. A voltage causes electric charges to move from lower to higher potential.

A trash can slides on a level floor after being pushed by an unhappy student. It slows and comes to a stop with a constant acceleration of - 2.4m/s2. What is the coefficient of kinetic friction between the trash can and the floor

What Areas employ Forensic psychologists?

Part A What is a radio galaxy? How can radio galaxies affect the gas surrounding them? Drag the items on the left to the appropriate blanks on the right to complete the sentences. (Not all terms will be used.)

What is the average speed of an object that travels at a constant speed of 50 m/s?

a roller coaster is hard to stop because it has a lot of inertia. Use Newton's first law of motion to explain why you feel tossed around whenever a roller coaster goes over a hill and through a loop.

Is balancing an egg on the equinox science or pseudoscience

What does a speedometer measure? A. Average speed B. Acceleration C. Speed D. Velocity

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A diffraction grating is illuminated simultaneously with red light of wavelength 670 nm and light of an unknown wavelength. The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light.