Give several examples of a mechanism, machine or system that has two

or more simple machines working together to complete work.

A 100kg bag of sand has a weight on 100 N. When dropped it's acceleration is what?

How long will it take to travel 200,000 m traveling 100 m/s?

Whats an isotope? give the number of protons, neutrons, and electrons in a neutral atom of each of the following isotopes, Carbon-13 Sulfar-32

How many newton-meters are equal to 1600 joules

What direction does secondary waves move

What are two ways that convention currents in the ocean distribute the suns energy?

An astronaut on a strange planet has a mass of 80 kg and a weight of 240 n. what is the value of the acceleration due to gravity on this planet?

A 165g arrow is shot straight up into the air with a speed of 16m/s reaches a maximum height of 12.0612m. a. Find the initial kinetic energy. The acceleration of gravity is 9.8m/s^2. b. Find the potential energy at its highest position. c.

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?