F we move a positively charged particle through an electric field, in which situation is our work negative?

a)We move the particle in the direction of the electric field.

b)We move the particle in the direction opposite that of the electric field.

c) We move the particle perpendicularly to the direction of the electric field.

2)We move a charged particle through an electric field. In which case is the change in the particle

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.