Which statement best describes the work and energy in these examples?

example 1: running a car requires gas.
example 2: humans require food to live.

a) the gas and food are examples of energy.
b) the gas and food are examples of work.
c) the gas and humans are examples of work.
d) the food and car are examples of energy.

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.

The ability to make things happen is also called a. heat b. force c. matter d. energy

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b