Calculating Final Velocity Try it
A roller coaster is traveling at 13 m/s when it approaches a hill that is 400 m long. Heading down the hill, it
accelerates at 4.0 m/s2. What is the final velocity of the roller coaster? Round your answer to the nearest whole
number
m/s

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer