7 (10 points) The position of an object is time is described by this equation x =414-7+3 +212 -81 +11 a Write an equation of the objects velocity as a function of time. b Write an equation of the objects acceleration as a function of time. 8 (20 points) You have been out deer hunting with a bow. Just after dawn you see a large 8 point buck. It is just at the outer range of your bow. You take careful aim, and slowly release your arrow. It's a clean hit. The arrow is 0.80 meters long, weighs 0.034 kg, and has penetrated 0.18 meter. Your arrows speed was 1.32 m/s. a Was it an elastic or inelastic collision? b What was its momentum? c How long was the time of penetration? d What was the impulse? e What was the force