Atoy plane has a mass of 2.5 kg and is 18 m above the ground. it is moving at 4.5 m/s. how much mechanical energy does the toy plane have? 416 j 441 j 466 j 491 j

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical