An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runner's average speed? (Round your answer to the nearest tenth of a meter per second.)

A robot probe drops a camera off the rim of a 239 m high cliff on mars, where the free-fall acceleration is - 3.7 m/s2. a. find the velocity with which the camera hits the ground. b. find the time required for it to hit the ground.

Elements that have the lowest densities of all the metals are called

Bike computers tell the ride what altitude they are at and how the altitude is changing using a basic barometer

What causes atoms to form covalent bonds?

A 10,000 N piano is dropped from the top of a building. When the piano reaches terminal speed ... a. What is the net force on the piano? b. What is the force of air resistance on the piano?

Which of the following describes the magnetic field produced by a current carrying wire? Assume the wire is normal to the page, and that current is flowing into the page. A.) The magnetic field is directly into the page. B.

Name three acids and three bases and list an industrial or household use of each

Electric eels and electric fish generate large potential differences that are used to stun enemies and prey. These potentials are produced by cells that each can generate 0.10 V. We can reasonably model such cells as charged capacitors.

Discuss whether the kinetic energy or the momentum of the ""bullet"" is more important in causing damage to the bulletproof vest.

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?