1. a pizza delivery man attempting to deliver some pizzas travels 8 km east, turns around and travels 3
km west, and then travels 12 km east to his destination. a. what distance has the delivery man
traveled? b. what is the delivery man total displacement?

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?