PART B: Problems (5 marks each: total of 30 marks) 1 . A 1.0 kg football is given an initial velocity at ground level of 20.0 m/s [37 above horizontal]. It gets blocked just after reaching a height of 3.0 m. (A) (a) What is the velocity of the football when it first reaches a height of 3.0 m above the level ground? (b) What horizontal distance has the ball travelled when it first reaches a pg. 2 USCA ACADEMY SPH4U FINAL EXAM height of 3.0 m above ground