(answer needed asap) An input force of 15 N is required to push a medicine ball that has a mass of 30.6 kg up the inclined plane. What is the MECHANICAL ADVANTAGE of the inclined plane. Use 9.81 m/s2 for acceleration due to gravity.

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

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)