A man on an airplane is walking toward the back of the airplane at 7 m/s. The plane is flying west at 245 m/s. What is the speed and direction of the man relative to the ground?.

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