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Solving a Sound Wave Equation in Physics 1: Halliday, Resnick, and Krane
Dec 10, 2021
Replies
9
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2K
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Calculating Power Requirements for a Ski Tow Rope with Friction | 18.9% Incline
Dec 9, 2021
Replies
15
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2K
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Confused about the axis of rotation in rotational motion w/o slipping
Dec 7, 2021
Replies
10
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4K
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How do canonical transformations relate to Hamiltonians?
Dec 5, 2021
Replies
4
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1K
I
Dinosaur question -- Was Earth's gravity lower in the past?
Dec 5, 2021
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5
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3K
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Potentials of conservative forces
Dec 5, 2021
Replies
4
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1K
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Rate of change of ##L## in a rotating coordinate system
Dec 5, 2021
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2
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1K
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Lagrangian mechanics - generalised coordinates question
Dec 3, 2021
Replies
4
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1K
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Conservation of momentum in a closed system
Nov 30, 2021
Replies
3
Views
2K
B
Resultant force in vertical circular motion
Nov 30, 2021
Replies
6
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3K
Is Counter-Steering the Only Way to Change Direction on a Motorcycle?
Nov 30, 2021
Replies
35
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5K
B
How do mechanical (weighing) scales work?
Nov 29, 2021
Replies
9
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3K
I
A little clarification on Cartesian tensor notation
Nov 29, 2021
Replies
2
Views
983
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A question from Resnik about g-force
Nov 28, 2021
Replies
39
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3K
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How can you make a free body diagram for someone running then sliding?
Nov 28, 2021
Replies
7
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2K
B
Colliding balls: Conservation of momentum and changes in kinetic energy?
Nov 23, 2021
Replies
2
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2K
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Change of a vector in a rotating coordinate system
Nov 23, 2021
Replies
1
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2K
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Energy input\losses for a cyclist accelerating from a standing start
Nov 22, 2021
Replies
26
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2K
I
Solving Sub-Problem for OpenAI Lunar Lander v2: Seeking Advice
Nov 21, 2021
Replies
1
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1K
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Normal force and details of the Earth holding up an object
Nov 20, 2021
Replies
12
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2K
A
Take your time, and feel free to ask if something is still unclear.
Nov 16, 2021
Replies
7
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1K
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Is my calculation of the power spectrum correct?
Nov 15, 2021
Replies
17
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2K
A
Rotation matrix and rotation of coordinate system
Nov 14, 2021
Replies
2
Views
2K
A
Exploring Infinitesimal Rotations in Classical Mechanics
Nov 13, 2021
Replies
8
Views
2K
B
Vector of forces (question about how a scale works)
Nov 13, 2021
Replies
4
Views
1K
B
What Happens When The Applied Force Equals the Static Friction Force?
Nov 13, 2021
Replies
2
Views
3K
I
Dimensional confusion with a Lagrangian problem
Nov 12, 2021
Replies
7
Views
1K
A
Ambiguity in sense of rotation given a rotation matrix A
Nov 12, 2021
Replies
12
Views
1K
A
Matrix proof of Euler's theorem of rotation
Nov 10, 2021
Replies
7
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2K
B
Calculating the torque needed to rotate a drum
Nov 9, 2021
Replies
4
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2K
I
Steam flow rate in 2-chamber steam engine system
Nov 3, 2021
Replies
4
Views
2K
I
Friction Coefficient of Marble & Iron on Plastic
Nov 3, 2021
Replies
1
Views
2K
A
Hooke's law, Bertrand's theorem and closed orbits
Nov 2, 2021
Replies
3
Views
1K
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Analytically Solving the Magnus Effect with Viscosity in Ball Flight Simulation
Oct 31, 2021
Replies
1
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1K
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Independence of vertical and horizontal motion
Oct 28, 2021
Replies
46
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3K
Work done by a constant Force: questions
Oct 28, 2021
Replies
3
Views
1K
I
Calculating Torque for 100 Ton Steel Tube Press
Oct 28, 2021
Replies
1
Views
979
A
Two equations of generalized forces
Oct 27, 2021
Replies
9
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4K
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Why doesn't a body accelerate upward when a force is applied?
Oct 26, 2021
Replies
7
Views
1K
What's different in a transformer core when coupling high & low power?
Oct 25, 2021
2
Replies
77
Views
6K
B
Terminal Velocity Equation in vertical cylinder with some fluid
Oct 21, 2021
Replies
2
Views
1K
A
When is Hamilton's principle valid?
Oct 20, 2021
Replies
14
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2K
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Maximum impact parameter given effective potential
Oct 19, 2021
Replies
4
Views
2K
I
Adhesive Collision: Coding for Sticky Objects
Oct 18, 2021
Replies
9
Views
2K
B
E.P.E. -> ? when 2 masses are attached to a spring
Oct 13, 2021
Replies
2
Views
1K
I
How does a large-angle pendulum oscillate?
Oct 12, 2021
Replies
7
Views
3K
What comes on top of a generator of a PDE?
Oct 11, 2021
Replies
1
Views
1K
A
Interpretation of Lagrangian solution (complex numbers)
Oct 9, 2021
Replies
2
Views
1K
B
A Question about a Quote from the Feynman lectures
Oct 7, 2021
Replies
20
Views
1K
I
The power spectrum of Poisson noise
Oct 5, 2021
Replies
10
Views
2K
I
Calculating Force Needed to Pull Bungee Taught
Oct 4, 2021
2
Replies
60
Views
6K
I
Bouncing Height of Cylindrical Tube: Equation & Properties
Oct 4, 2021
Replies
7
Views
1K
I
Total angular momentum of a translating and rotating pancake
Oct 1, 2021
Replies
9
Views
2K
A
Russian Commentary on Chain Wheel Experiment
Sep 27, 2021
Replies
2
Views
964
I
Time derivative using the quotient rule
Sep 27, 2021
Replies
1
Views
813
A
Lagrangian for a double spring pendulum connected through a rigid bar
Sep 27, 2021
Replies
5
Views
2K
A
Dissipation function is homogeneous in ##\dot{q}## second degree proof
Sep 26, 2021
Replies
6
Views
976
I
Issue calculating water pressure due to the constriction of water flow
Sep 23, 2021
Replies
9
Views
2K
I
Rolling balls with different rotational inertia
Sep 22, 2021
Replies
14
Views
2K
I
Time Derivatives: Hi Guys, Am I on the Right Track?
Sep 20, 2021
Replies
3
Views
816
I
Two axis motion for any vehicle
Sep 18, 2021
Replies
3
Views
1K
I
Independent coordinates are dependent
Sep 14, 2021
Replies
9
Views
2K
I
Drawbridge falling before caught by rope/cable - Max force
Sep 12, 2021
Replies
13
Views
2K
B
Why don't boxers' skulls shatter from the forces of punches?
Sep 12, 2021
Replies
12
Views
4K
I
Why does a drip of water into water make a noise?
Sep 12, 2021
Replies
3
Views
1K
B
Why Do You Feel Like You're Moving Opposite the Car's Direction?
Sep 11, 2021
Replies
22
Views
3K
B
Is Newton's first law of motion applicable when walking?
Sep 8, 2021
Replies
2
Views
2K
I
Changing the RPM of a frictionless spinning wheel in a box
Sep 7, 2021
Replies
4
Views
1K
Why do gyroscopes not fall down?
Sep 6, 2021
Replies
31
Views
7K
How much atmospheric pressure is exerted on the human body?
Sep 6, 2021
Replies
16
Views
40K
I
Trouble simplifying the Lagrangian
Sep 2, 2021
Replies
2
Views
1K
A
Lagrangian Multipliers with messy Solution
Aug 31, 2021
Replies
2
Views
634
I
Question about L(v^2) Notation in Landau & Lifshitz's Mechanics
Aug 31, 2021
Replies
1
Views
1K
B
Impulse and distance from the axis of rotation
Aug 28, 2021
Replies
9
Views
2K
I
Trouble understanding coordinates for the Lagrangian
Aug 27, 2021
Replies
4
Views
993
I
Understanding the Coordinates in the Lagrangian for a Pendulum
Aug 27, 2021
Replies
2
Views
1K
I
Motorbike vs Football: Is It Possible?
Aug 27, 2021
Replies
6
Views
1K
Real life example of the composition of two SHMs with same angular frequency
Aug 27, 2021
Replies
21
Views
3K
B
How is the acceleration proportional to the removed force?
Aug 27, 2021
Replies
13
Views
1K
I
Gearbox Gear ratio: How to get 60 rpm to 3500rpm? help please
Aug 27, 2021
Replies
10
Views
3K
B
Suggestions for Internal Assessment Project on Young's Modulus
Aug 26, 2021
Replies
2
Views
2K
Pressure in a straight pipe vs a curved pipe?
Aug 26, 2021
Replies
10
Views
7K
I
Can I suck myself forward with a straw when floating in air?
Aug 24, 2021
Replies
19
Views
2K
A
Trying to solve an auto accident question
Aug 22, 2021
Replies
1
Views
1K
Movement of a Ball Bearing within a cavity inside a Projectile
Aug 22, 2021
Replies
4
Views
1K
B
Relating displacements in a pulley system
Aug 20, 2021
Replies
3
Views
2K
I
Help please -- Trying to figure out rake barge capacity and displacement
Aug 19, 2021
Replies
8
Views
2K
Velocity of air coming out of a nozzle
Aug 18, 2021
Replies
21
Views
63K
I
Forward momentum of mass due to inertia
Aug 17, 2021
Replies
4
Views
1K
Pressure inside a plastic bottle filled with water and squeezed by X weight?
Aug 16, 2021
Replies
21
Views
5K
B
How to determine force based on pressure
Aug 15, 2021
Replies
14
Views
3K
I
Static rotational friction: does diameter matter?
Aug 12, 2021
Replies
2
Views
1K
Escape Velocity Question: Why is the final kinetic energy = 0?
Aug 11, 2021
Replies
21
Views
5K
A
Hydraulic jumps: Why do they occur when/where they do?
Aug 10, 2021
Replies
1
Views
1K
What is the Mechanical Advantage of this lever? (for pulling tree stumps)
Aug 10, 2021
Replies
8
Views
7K
B
Acceleration of Moving Particles: Explained
Aug 7, 2021
Replies
6
Views
1K
I
Uniquely Defined Accelerations
Aug 5, 2021
Replies
3
Views
997
I
Help with Goldstein Classical Mechanics Exercise 1.7
Aug 5, 2021
Replies
14
Views
2K
I
1st law of Newton as a special case of the 2nd law (historical aspect)
Aug 4, 2021
Replies
10
Views
3K
I
Calculating power output on a spin bike
Aug 2, 2021
Replies
1
Views
3K
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