I need help on how to complete the questions.

6) Your client from number 4 is disappointed in his power output. Keeping in mind the power equation, what are three ways to increase his power output the next time he does a squat? (1 point) 1. Decrease the time. 2. Increase the force 3 . 7) Imagine a person you are walking with slips and falls backwards. They are unable to catch themselves and end up hitting their head on the floor. The person's head is 5 kg and is moving at 3 m/s second when it first hits the floor. The floor is stiff and only gives .005 m from the impact of the head. Answer the following questions. (3 points) a) How much kinetic energy does the head have the instant before it contacts the floor? KE : 2 (5 kg ) (3) ? : 225 1 b) How much work does the floor do to stop the motion of the head? c) What average impact force does the floor exert on the head during the impact? Estimate a peak impact force