8Motion of a body dropped at an angle to the horizon

Didactic material #1

Questions (to answer after watching a video)

1.      What is the difference between motion in the horizontal and vertical directions?

2.      What is the time taken for a body to fall from rest and the time taken for a  body thrown horizontally?

3.      How can the range of a projectile be calculated?

Didactic material #2

Experimental work

•      Place any object (such as a pen or eraser) on the edge of the table.

•      Throw this item horizontally off the edge of the table.

•      make anynecessary measurements and determine:

•      The horizontal component of the velocity

•      The vertical component of the velocity

•      The final velocity

Didactic material #3

Solving problems

A player kicks a football at a velocity of 50 m/s, making an angle of 37⁰ with the horizontal, as shown in the figure.

a)   Calculate the vertical and horizontal components of its initial velocity ()

b)      How long does the football take to reach its maximum height?

c)      For how long is the ball in motion? (time of flight, t_f=?)

d)      What is the maximum height that he ball can reach?

e)      What is the horizontal range of the ball?

f)       What are the height and velocity of the ball 2 s after it is kicked?

g)      What are the height and velocity of the ball 4 s after it is kicked?