Basketball Free throw

  • #1

Homework Statement


Goal: Find an equation for making a free throw.
Directions:
Write an equation for v in terms of g, x, y, theta_i, z eliminating t. Then seperately write z in terms of r, R, and theta_f and also write theta_f in terms of y, x, and theta_i.

Variables:
v = initial speed
theta_i = initial angle
x = range
y = elevation
theta_f = final angle
r = radius of ball
R = radius of rim
z = variation in x (allowable for swish)

Homework Equations



Displacement:
x=(vcos(theta))t
y=(vsin(theta))t-(gt^2)/2

Final Velocity:
Vx=vcos(theta)
Vy=vsin(theta)-gt

The Attempt at a Solution

 

Answers and Replies

  • #2
berkeman
Mentor
59,460
9,563

Homework Statement


Goal: Find an equation for making a free throw.
Directions:
Write an equation for v in terms of g, x, y, theta_i, z eliminating t. Then seperately write z in terms of r, R, and theta_f and also write theta_f in terms of y, x, and theta_i.

Variables:
v = initial speed
theta_i = initial angle
x = range
y = elevation
theta_f = final angle
r = radius of ball
R = radius of rim
z = variation in x (allowable for swish)

Homework Equations



Displacement:
x=(vcos(theta))t
y=(vsin(theta))t-(gt^2)/2

Final Velocity:
Vx=vcos(theta)
Vy=vsin(theta)-gt

The Attempt at a Solution


That's a good start, but you should factor in the height that the ball is released from, and the final height as it passes through the hoop. Drawing a sketch should help you.
 

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