Solve each of the problems 1-5 on your answer sheet. It may help to sketch the situation, draw a force diagram. YOU MUST SHOW WORK TO GET CREDIT! 1. A spring whose spring constant is 750 Mm is compressed vertically 0.40 m. A 500g ball is set on the spring and then the spring is released. Sketch a LOL for the situation. A. Calculate the maximum height of the ball. b. Calculate the velocity of the ball when it is half way up. 2. Izzy Dizzy, m=75kg, drives over the top of a hill with a radius of curvature of 35 meters. Calculate the velocity in order for Izzy to feel weightless. Be sure to draw a force diagram to represent the situation. Physics Equation Sheet, Ax = 1/2 at2 + vit Eint = FkAx vi = vi+ 2a4x W = FAX Vf = at + Vi Eg = mgh Fnet = ma F =KX + Fo Eel = 1/2 kAx2 my2 Fnet = Ek = 1/2 mv2 r Fg = mg = G mim2 72 n * sino; = n * sinor Ff = uFn v = fl f =f( 340 340+V p = mv I= Ap = FAt Oh= Ei + Ei E=MC2 Constants: G=6.67x10-11 Change Constant + inople = Istanbul C= 3.0x10'm/s Sports talk in 2nd hour. Nebulas chatter in 3rd hour Knuckleheadery in 4th hour