Calculate the Potential Energy of an object that has a mass of 14-kg and is located at a height of 24-m?

What are two things that drive the global conveyor belt? A) Temperature and tides B) Temperature and the moon C) Salinity and temperature D) The moon and salinity

If the gravitational force exists between all objects in the universe, why aren't people affected by the gravitational force exerted by cars and buildings?

Which two factors does the power of a machine depend on

1. The physical or chemical properties a substance is known for are called its - properties. a. material C. characteristic b. static d. basic

Which change would cause the largest increase in a mountain climber's gravitational potential energy?

Heat that is transferred by the movement of currents within a fluid is called?

5. What is the percent composition of sulfur in H2SO4? A. 32.7% B. 65.2% C. 98.1% D. 2.1%

A 0.8kg object accelerate at a rate of4 m/s2. What is the net force acting on a object

Which of the following is the best definition of an isotope? A. elements of the same kind with different numbers of neutrons B. elements of the same kind that have lost electrons C. elements of the same kind that have different electrical charges

Two cars approach each other; both cars are moving westward, one at 85 km/h, the other at 54 km/h. what is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? answer in units of km/h.