How much total work is done by the force in lifting the elevator from 0.0 m to 9.0 m?

If one is missing the opsin which detects wavelengths of approximately 560 nm what color would they be unable to see?

Which of the following is defined as displacement over change in time? A. Speed B. Acceleration C. Velocity D. Displacement

A uniform stationary ladder of length L = 2.7 m and mass M = 14 kg leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ = 0.39.

Which statement is true? Select one of the options below as your answer: A. Gas atoms subjected to electricity emit bright lines. B. Gas atoms absorb white light and emit a continuous spectrum of light. C.

A little boy pushes a wagon with his dog in it. the mass of the dog and wagon together is 45kg. The wagon accelerates at 0.85 m/s^2. what force is the boy pulling with?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Which force keeps you near earths surface?

Name one process that requires a force in the human body.

Which describes the electric forces inside an atom

Why can radio telescopes be used 24 hours a day?