Find the magnitude and direction of an electric field that exerts a 4.80*10-17N westward force on an electron. (b) What magnitude and direction force does this field exert on a proton?

Imagine a girl climbing a rope ladder to ride a zip line. It takes effort for her to get to the top of the ladder, but then she zips to the ground with ease. She travels down easily because she has stored energy.

What is the magnitude of the maximum acceleration experienced by the rider?

Imagine you have a mixture that contains iron filings (small pieces of iron metal), sand, poppy seeds, and salt. You have the following materials: water, beaker, funnel, filter paper, magnet, graduated cylinder, tweezers, and hot plate.

The angle that the Sun's rays strike a region of Earth determines the amount of heat transferred true or false

X does 500 joules of work in 1/6 hours and Y does 600 joules of work in 1/3 hours. what will be the ratio of the power delivered by X and Y.

A climber using bottled oxygen accidentally drops the oxygen bottle from an altitude of 4500 m. If the bottle fell straight down this entire distance, what is the velocity of the 3-kg bottle just prior to impact at sea level? A. 300 m/s. B. 150 m/s.

The Doppler effect is the change in of a wave due to the motion of the source and/or receiver.

In a sentence, how is speed and motion related?

5. What would increase the force of gravitational attraction the most? (HINT-Look at formula)

How does flowing water change the earths surface