### There are ten questions involving two-dimensional motion, law of gravitation, simple harmonic motion, frictional force, circular motion and vectors.

(Please use g = 9.8 m/s^2). 1) Three balls are launched at the same speed from a one-story building. Ball 1 is launched vertically up, ball 2 is launched horizontally, ball 3 is launched straight down. Which ball has the greatest speed as they hit the ground? There will be 40 more problems, to be solved using a calculator, w