What is the relationship between mass and weight?

A. They are the same concept.

B. Weight is mass times the distance.

C. Weight is mass times the acceleration of gravity.

D. Mass is weight times the acceleration of gravity.

A basebal (radius =.036 m, mas =.145kg) is droped from rest at the top of the Empire State Building (height = 1250ft). Calculate (a) the initial potential energy of the basebal, (b) its final kinetic energy.

What is the difference between alternating current and direct current? A. Alternating current regularly reverses direction. Direct current flows in only one direction. B. Alternating current flows in only one direction.

What is the formula used to calculate the speed of an object

Why is thermal energy produced not generally usable to do work? 1Because the thermal energy dissipates too quickly and is not concentrated enough to be used 2Because this energy is lost to the universe 3 Because thermal energy is a form of energy

What would happen if the poles of the magnet were reversed?

4. Water is flowing at 12m/s in a horizontal pipe under a pressure of 600kpa radius 2cm. a. What is the speed of the water on the other side of 0.5cm radius? b. What is the pressure of the other side?

What caused the solar system to form a disk?

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.