Скачать или смотреть Horizontal projectile motion Qa + Qb NCEA Level 2 Mechanics

A tennis ball is served from 3m above the ground. The initial velocity of the ball is 25ms-1 at an angle 10 degrees from the ground.

In these videos I walkthrough how to:
a) draw a sketch of the scenario
b) calculate the horizontal and vertical components of the ball's initial velocity
c) calculate the time taken for the ball to reach its maximum height
d) calculate the maximum height the ball reaches above the ground
e) calculate the ball's total time spent in the air
f) calculate the horizontal distance the ball travels before hitting the ground
g) discuss the forces acting on the ball (including drag) and how these affect horizontal and vertical motion

Suitable for NCEA Level 2 Year 12 Physics 91172 Mechanics