A 1200 kg elevator accelerated upwards at 2 m/s2. Draw a force diagram for the elevator. Calculate the force of tension in the cable pulling the elevator up.

What is the power used if it took 2,000 j to move a box in 8 s?

A 5 N force pushes on the right side of a box. At the same time, a 10 N force pushes on the left side of the box. What happens to the box?

As an expert witness, a forensic scientist is ethically responsible for doing what?

Which expressions correctly represent variations of Ohm's law? Check all that apply.

A bobsleigh with four people on board has a total mass of 610 kg. How fast is the sleigh moving if it has a kinetic energy of 40.0 kJ?

The chemical reaction of oxygen with other substances is called A. erosion. B. oxidation. C. exfoliation. D. acidification.

Find the net charge of a system consisting of 6.16*106 electrons and 7.68*106 protons. Express your answer using three significant figures. Qnet = 2.43*10-13 C

A motorist is driving at 20m/s when she sees that a traffic light 200m ahead has just turned red. She knows that this light stays red for 15s, and she wants to reach the light just as it turns green again. It takes her 1.

Does sound move as a longitudinal or transverse wave in a medium?

Which configuration would produce an electric current? a. Rotate a coil of copper wire between two magnets. b. Connect a wire between a copper and zinc strip sitting in a beaker of water. c.