A 500g object falls off a cliff and losers 100 J from its gravitational potential energy store. if the gravitational field strength g=9.8N/kg, how high is the cliff?

Mountain Airlines has annual operating revenues of less than $75 million with hubs in Denver and Salt Lake City. This airline would be classified in which air carrier category?

On Earth, water can exist as a solid, a liquid, or a gas. Why?

After being struck by a bowling ball, a 1.7 kg bowling pin sliding to the right at 3.8 m/s collides head-on with another 1.7 kg bowling pin initially at rest.

Which of the following represents an aspect of Carol Gilligan's theory on moral development? A. A man's judgment of wrong doing is generally based on relationships. B. Women and men often differ in reasoning about moral issues. C.

In which situation would a space probe most likely experience centripetal acceleration? a. as it revolves around a planet b. as it flies straight past a moon c. as it is pulled in a line toward the Sun d. as it lifts off from Earth

Order the steps to describe how information is sent. A signal is produced. A signal is seen, heard, or used. Radio waves are modulated and amplified. Radio waves are amplified and demodulated.

The national grid supplied a house with 18000000 J of energy in 1 hour. What was the average current supplied to the house in that hour? Write any equations that you use.

Claudia throws a baseball to her dog. Which free-body diagram shows the baseball when it's flying horizontally in midair? (Assume no air resistance.)

Which of the following substances will show the smallest change in temperature when equal amounts of energy are absorbed? water air sand concrete

The downward acceleration of a falling body on Earth is 9.81m/s2. On the moon the same quantity is 1.62m/s2. An astronaut in a space suit has a mass of 145kg.