1. You are told that a basketball player spins the ball for 2.5 s with an angular acceleration of 75 rad/s² and starting from rest. a) SET UP • Using the notation 40 for angular displacement in time t, w for angular velocity in time t, wo for the initial angular velocity, and a for the angular acceleration, determine what quantities are known and what quantities are unknown. • Enter a few known quantities in the table below. t= a = Wo = S rad/s2 rad/s
1. You are told that a basketball player spins the ball for 2.5 s with an angular acceleration of 75 rad/s² and starting from rest. a) SET UP • Using the notation 40 for angular displacement in time t, w for angular velocity in time t, wo for the initial angular velocity, and a for the angular acceleration, determine what quantities are known and what quantities are unknown. • Enter a few known quantities in the table below. t= a = Wo = S rad/s2 rad/s
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter4: Two-and-three Dimensional Motion
Section: Chapter Questions
Problem 44PQ
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![1. You are told that a basketball player spins the ball for 2.5 s with an angular acceleration of 75
rad/s² and starting from rest.
a) SET UP
Using the notation 40 for angular displacement in time t, w for angular velocity in time t, wo
for the initial angular velocity, and a for the angular acceleration, determine what
quantities are known and what quantities are unknown.
• Enter a few known quantities in the table below.
●
t=
a =
wo =
X
S
rad/s²
rad/s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c88c0f8-77ed-4c7d-88e7-edca22160ba0%2F6fe75bc4-9f51-468c-a1f5-da53a3e915dd%2Fh0fgub_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. You are told that a basketball player spins the ball for 2.5 s with an angular acceleration of 75
rad/s² and starting from rest.
a) SET UP
Using the notation 40 for angular displacement in time t, w for angular velocity in time t, wo
for the initial angular velocity, and a for the angular acceleration, determine what
quantities are known and what quantities are unknown.
• Enter a few known quantities in the table below.
●
t=
a =
wo =
X
S
rad/s²
rad/s
![1. Δθ = wt
2. w=w+at
3.
4,w² =
w²+2α(40)
d) Calculate the final angular velocity.
rad/s
W =
X
A0= wot+at²
2
e) Approximately how many revolutions in 2.5 s?
Note: This part is asking for revolutions, not the angular displacement.
revolutions in 2.5 seconds](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c88c0f8-77ed-4c7d-88e7-edca22160ba0%2F6fe75bc4-9f51-468c-a1f5-da53a3e915dd%2Fxnlv2sq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Δθ = wt
2. w=w+at
3.
4,w² =
w²+2α(40)
d) Calculate the final angular velocity.
rad/s
W =
X
A0= wot+at²
2
e) Approximately how many revolutions in 2.5 s?
Note: This part is asking for revolutions, not the angular displacement.
revolutions in 2.5 seconds
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