Problem 5 Goal You are about to kick a soccer ball at an angle of 0 = 45° towards a goal net that is a distance d away with height d/4. (a) How much time for a given speed vo does it take the ball to reach the goal? (b) What is the minimum speed you need to kick the ball for it to reach the goal? (c) What is the maximum speed? d/4 Beewise Problem 5 Goa a) How much Speed Vo does Vo the ball to 45 d = o + Vort + 1/2 (a) € Cos 45 t Vo cos 45€ Vo Cos 45 V. Cos 45 (o)+2 2 t Vo Cos 45 七=? = Spred Vo time for for a given it take reach the goal b) What is the minimum specied you need to kick the ball for it 40 reach the goal?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 55P: A soccer goal is 2.44 m high. A player kicks the ball at a distance 10 m from the goal at an angle...
Question

For this homeork question I want to make sure I did part a correctly and I am stuck on part b on finding the minimum speed

Problem 5 Goal
You are about to kick a soccer ball at an angle of 0 = 45°
towards a goal net that is a distance d away with height d/4.
(a) How much time for a given speed vo does it take the ball
to reach the goal? (b) What is the minimum speed you need
to kick the ball for it to reach the goal? (c) What is the
maximum speed?
d/4
Transcribed Image Text:Problem 5 Goal You are about to kick a soccer ball at an angle of 0 = 45° towards a goal net that is a distance d away with height d/4. (a) How much time for a given speed vo does it take the ball to reach the goal? (b) What is the minimum speed you need to kick the ball for it to reach the goal? (c) What is the maximum speed? d/4
Beewise
Problem 5
Goa
a) How
much
Speed Vo
does
Vo
the ball to
45
d = o
+ Vort + 1/2 (a) €
Cos 45 t
Vo cos 45€
Vo Cos 45 V. Cos 45
(o)+2
2
t
Vo Cos 45
七=?
=
Spred Vo
time for
for a given
it take
reach the goal
b)
What is the
minimum specied
you need to kick the ball
for it
40
reach the goal?
Transcribed Image Text:Beewise Problem 5 Goa a) How much Speed Vo does Vo the ball to 45 d = o + Vort + 1/2 (a) € Cos 45 t Vo cos 45€ Vo Cos 45 V. Cos 45 (o)+2 2 t Vo Cos 45 七=? = Spred Vo time for for a given it take reach the goal b) What is the minimum specied you need to kick the ball for it 40 reach the goal?
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