Astreet light is at the top of a 10 ft tall pole. a woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a straight path. how fast is the tip of her shadow moving when she is 40 ft from the base of the pole?

The two required components for a generator are

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

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.