1. a city bus travels 6 blocks east and 8 blocks north. each block is 100 m long. if the bus travels this distance in 15mins, what is the average speed of the bus (m/s)? 2. using the information from the previous question, what is the average velocity of the city bus?

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

What energy transformations occur each time the skateboarder rolls up the ramp?

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?