A car travels west at 250 km in 5 hours what is the cars velocity

After a balloon is rubbed on a sleeve, the balloon is brought near to the metallic plate of an electroscope without touching it. As a result, the rotating needle of the electroscope deflects away from the stationary, vertical support.

A light beam shines through a slit and illuminates a distant screen. The central bright fringe on the screen is 1.00 cm wide, as measured between the dark fringes that border it on either side.

Select the correct statement to describe when a sample of liquid water vaporizers into water vapor

What causes thermal expnsion?

The pressure inside a container of gas increases if more gas is added to the container because

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast

What are the strengths and limitations of the doppler method?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.