A student releases a marble from the top of a 190cm ramp. The marble increases speed steadily and reaches the bottom of the ramp in 5.00s. what was the magnitude of the marbles acceleration?
what was the marbles final speed?

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.

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

Which accurately compares concave and convex lenses?