Red riding hood drives the 432 miles to grandmother’s house in 1 hour less than it takes the wolf to drive the same route. her average speed is 6 mph faster than the wolf’s average speed. how fast does red riding hood drive? a. 48 mph c. 50 mph b. 54 mph d. 45 mph select the best answer from the choices provided a b c d

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

How will the system respond to a temperature increase?

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.