What is the action force and the reaction force when you sit down on a chair

Simon is riding a bike at 12 km/h away from his friend Kesha. He throws a ball at 5 km/h back to Keesha who is standing still on a sidewalk. How fast you would Kesha say the ball is traveling?

Explain the changes in molecular motion of particles as they change from solid to liquid to gas.

A 10 n net force is applied to an object, which then accelerates at 4 m/s2. what is the mass of the object?

A capacitor with very large capacitance is in series with another capacitor with very small capacitance. What is the equivalent capacitance of the combination?

How to describe the motion of an object that has an acceleration of 0 m/s

Which force most likely created this mountain? compression gravity sheaning tension

What is the opposition of sublimation?

What is the voltage at the location of a 0.0001-coulomb charge that has an electric potential energy of 0.5 joules?

A basketball referee tosses the ball straight up for the starting tip-off. at what velocity (in m/s) must a basketball player leave the ground to rise 1.23 m above the floor in an attempt to get the ball?

A decaliters how many times larger than 1 million