The atoms of which elements are most likely to share many electrons among many atoms? Check all that apply.

An 97 kg climber climbs to the top of Mount Everest, which has a peak height of 8850 m above sea level. What is the climber's potential energy with respect to sea level

Use complete sentences to describe an extra-solar (exo) planet

Jenny is playing on her spring bed, jumping up and down. She weighs 480. N, and her spring bed has springs with spring constant 1100N/m. What is the gravitational potential energy he will reach when she jumps to. 32m?

Technician A says that the pushrods should be rotating while the engine is running if the camshaft and lifters are okay. Technician B says that the camshaft rotates at one-quarter the crankshaft speed. Who is right

A child riding a bicycle at 15 meters per second accelerates at - 3.0 meters per second2 for 4.0 seconds. What is the child's speed at the end of this 4.0-second interval? (1) 12 m/s (3) 3.0 m/s (2) 27 m/s (4) 7.0 m/s

Based on how the book describes a heat pump in sec 16.3 how does a heat pump prove law of conservation of energy

When a gas in a container is squeezed to half its volume, its density?

A ballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s. As she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s.

The power rating of a vacuum cleaner is 0.8 kilowatts. If you use the vacuum cleaner for 2.5 hours, how much energy does it use?

Which has more gravitational potential energy - - a cliff diver at the top of the cliff or a cliff diver at the bottom of the cliff?