A 1.5 kg mass is attached to a 1.6 m long rigid rod of negligible mass that 2. is anchored to the ceiling. The mass is pulled back to an initial angle of 45°and released with an initial speed of 3.0 m/s. Note: The mass is initially moving down not up! L m (a) (Hint: The height of the mass above its lowest point is L(1 – cos 0).] How fast is the mass moving at the bottoms of its swing, when 0 = 0°?
A 1.5 kg mass is attached to a 1.6 m long rigid rod of negligible mass that 2. is anchored to the ceiling. The mass is pulled back to an initial angle of 45°and released with an initial speed of 3.0 m/s. Note: The mass is initially moving down not up! L m (a) (Hint: The height of the mass above its lowest point is L(1 – cos 0).] How fast is the mass moving at the bottoms of its swing, when 0 = 0°?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:(b)
What maximum angle, 0max, will the mass
swing to?
![A 1.5 kg mass is attached to a 1.6 m long rigid rod of negligible mass that
is anchored to the ceiling. The mass is pulled back to an initial angle of 45°and released
with an initial speed of 3.0 m/s. Note: The mass is initially moving down not up!
2.
L
m
(a)
[Hint: The height of the mass above its lowest point is L(1 – cos 0).]
How fast is the mass moving at the bottoms of its swing, when 0 = 0°?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F859743d5-9578-4a68-94b4-09f68a5c3500%2Fb9bed5c6-7aae-46e4-8eb5-d86c8dd5d4fe%2Fnmrznv_processed.png&w=3840&q=75)
Transcribed Image Text:A 1.5 kg mass is attached to a 1.6 m long rigid rod of negligible mass that
is anchored to the ceiling. The mass is pulled back to an initial angle of 45°and released
with an initial speed of 3.0 m/s. Note: The mass is initially moving down not up!
2.
L
m
(a)
[Hint: The height of the mass above its lowest point is L(1 – cos 0).]
How fast is the mass moving at the bottoms of its swing, when 0 = 0°?
Expert Solution
Step 1
Given data: -
- The mass m is m = 1.5 kg.
- The initial pulled back angle is θ = 45o.
- The initial velocity during release is v1 = 3 m/s.
- The length of the rod is L = 1.6 m.
- The height of the mass above its lowest position is h1 = L(1-cosθ).
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