A 20 kg suitcase is raised 3.0 meter above the ground. What is it's potential energy?

Gabe is sitting in his boat and sees a famous building onshore which is known to be 250 meters tall. gabe sights the top of the building, and finds that the angle of elevation is 19°.

Hawk maintains a consistent internal temperature in both the heat of the day in the cool of the night. This is called

A car entering a highway stops on the entrance ramp. The car then accelerates uniformly along a straight line, reaching 28 m/s in 5.6 s. How far does the car travel in 5.6 s?

Rod A and rod B are cylindrical rods made of the same metal. amd they differ only in size. Rod B has double the length and double the width of rod a.

Imagine a world without electricity. write a five paragraph essay detailing how daily life would change.

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False