Two people who weigh the same amount climb a flight of stairs. the first person climbs the stairs in 30 s, while the second person climbs them in 40 s. which person does more work? which uses more power?

Which of the following has the most momentum? an ant moving at 1 m/s a bird flying at 4 m/s a cat moving at 13 m/s you riding your bike at 12 m/s

Which of the following changes igneous or sedimentary rock into metamorphic rock? A. heat and pressure B. heat and weathering C. water and weathering D. water and pressure

What would most likely occur if a plague killed most of the prey organisms within a once healthy ecosystem

A 2 kg wagon is at rest on a sidewalk. How much gravitational force is acting on the wagon?

If the pressure inside a rubber balloon is 1500 mmhg, what is this pressure in pounds-force per square inch (psi)

What types of exercises for stomach

Which states the law of conservation of energy? A. Energy cannot be created or destroyed, but it can be converted or changed into different forms. B. Energy can be created or destroyed, and it can be converted or changed into different forms. C.

What is density? How can you find density?

A 15 kg child experiences an acceleration of 0.25 m/s2 as she is pulled 1.7 m horizontally across the floor by her sister. what is the change in the child's kinetic energy?

A piece of candy has 5 calories (or 5000 calories). if it could be burned, leaving nothing but carbon dioxide and water, how much heat would it give off?