4.3 The trajectory of a projectile represented by a point particle travelling under the influence of gravity is limited

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4 3 The Trajectory Of A Projectile Represented By A Point Particle Travelling Under The Influence Of Gravity Is Limited 1 (289.02 KiB) Viewed 21 times

4.3 The trajectory of a projectile represented by a point particle travelling under the influence of gravity is limited to a single vertical plane. Such a projectile is said to have two- dimensional motion. In the children's playing ground, Lunga throws a stone vertically upwards. After 6s in the air, the stone returned to Lunga's hand. Lunga throws a second I stone at an angle of 50* with the horizontal which reaches the same maximum height as the first one 4.3.1 How fast was the first stone thrown? (3) 4.3.2 At what speed was the second stone thrown upwards? (6) R