A 10.0kg box slides down a ramp that has an incline of 20.0° from the horizontal. What is the normal force acting on the box? A. -92.1N

B. 92.1N

C. -33.5N

D. 33.5N

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.