3. A ball is thrown from the top of a building upward at an angle of 0 with an initial speed of vo. If the height of the building is yo then; vo 0° hmax Range (R) (a) Use two different approaches to show that the speed of the particle where it hits the ground is given by v = Vvỏ + 2gyo- (lgnore the air resistance) (b) Fill in the following table for the given set of system parameters: vo(m/s) Yo (m) 100 20 65

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Projectile Motion