Given the speed of an object, how would you find the distance and the time?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

What does si stand for, when referring to a system of measurement