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Analytical solution for freefall....
Jun 10, 2021
Replies
12
Views
2K
Who Can Solve the Mystery of the True Torque?
Jun 8, 2021
Replies
16
Views
2K
Symmetries in Lagrangian Mechanics
Jun 6, 2021
Replies
5
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1K
Time of Impact of Gas Molecules on the Inner Wall of a Pressure Vessel
Jun 5, 2021
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1
Views
1K
Lagrangian mechanics - rotating rod
Jun 5, 2021
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3
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2K
Why does a photomultiplier tube produce a negative output pulse?
Jun 4, 2021
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12
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2K
Why do things with wheels get more balanced as velocity increases?
Jun 4, 2021
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10
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1K
Measure angular velocity and acceleration from missing tooth wheel
Jun 1, 2021
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1
Views
830
Cooling things in water vs air
May 31, 2021
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3
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1K
Hohmann Orbit Transfer: Minimize Delta V for Bigger Orbit
May 31, 2021
Replies
2
Views
793
Can turbulence help measure liquid viscosity more accurately?
May 30, 2021
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8
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1K
What type of ball can bounce and travel the most?
May 29, 2021
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5
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2K
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May 27, 2021
Replies
7
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1K
Frame indifference and stress tensor in Newtonian fluids
May 27, 2021
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8
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1K
Car top boat loader: What is the lifting weight?
May 27, 2021
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9
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2K
Two-body equation of motion resolution
May 27, 2021
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7
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2K
Looking for Linear Motor Exercises
May 25, 2021
Replies
1
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890
Water Pressure and Different Pipe Sizes
May 24, 2021
Replies
9
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2K
Boundary condition: null traction on the boundary of an elastic block
May 24, 2021
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8
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1K
Is my weight during the night a little bit more than during the day?
May 23, 2021
2
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57
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3K
Milky Way Velocity: How Fast Does Our Galaxy Move?
May 21, 2021
Replies
2
Views
2K
Atmosphere and volume - vacuum cannon limitations
May 21, 2021
Replies
2
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1K
Types of Kinematics: Classical, Quantum & Relativistic
May 20, 2021
Replies
1
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1K
The order of Euler Angle rotations for a top
May 20, 2021
Replies
7
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2K
Newbie Physics Student Asks: Does Vapor to Ice Change Acceleration/Velocity?
May 19, 2021
Replies
6
Views
1K
Position of speaker in front of tube to produce stationary wave
May 17, 2021
Replies
2
Views
1K
Nonlinear spring made from many different linear springs in series?
May 16, 2021
Replies
9
Views
1K
Does anyone know the formula to find the angle after a collision?
May 15, 2021
Replies
6
Views
1K
Projectile Intercept Math & Trigonometry
May 15, 2021
Replies
4
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2K
Gravitational potential energy question - normal force on us
May 14, 2021
Replies
12
Views
1K
Looking to find the amount of energy stored in a clock spring
May 13, 2021
Replies
2
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2K
Force equation: use mass or weight?
May 12, 2021
Replies
32
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3K
Baseball Dad -- setting the speed of a pitching machine
May 12, 2021
Replies
15
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2K
Variation of the Speed of Sound in metals under tension
May 10, 2021
Replies
17
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2K
"Air Pressure" is not "the weight of the air above you"
May 9, 2021
Replies
27
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3K
Time Average Value of Pendulum String Tension
May 9, 2021
Replies
34
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3K
Bead sliding on a uniformly rotating wire
May 8, 2021
2
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37
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4K
Does every object rotate around its center of gravity?
May 8, 2021
4
Replies
127
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9K
Who Exerts Gravity Power? Force x Velocity Dot Product
May 7, 2021
Replies
19
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2K
Finite bending of an elastic block - Equilibrium equations
May 7, 2021
Replies
4
Views
940
Gravitational potential energy question -- Ojbect sitting on the Earth
May 7, 2021
Replies
3
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940
Extension of an elastic block of Neo-Hookean material
May 6, 2021
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10
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1K
Proving Energy Conservation in a Gravitational System with Multiple Bodies
May 6, 2021
Replies
6
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1K
Why do we add Kinetic and Potential energy?
May 5, 2021
Replies
3
Views
1K
Orbital mechanics: is ballistic capture possible without acceleration?
May 4, 2021
Replies
7
Views
1K
Accelerometer on a dropped object
May 2, 2021
Replies
13
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2K
Equations of motion of damped oscillations due to kinetic friction
May 1, 2021
Replies
6
Views
1K
Problem: Estimating pressure of compressive garment
Apr 30, 2021
Replies
3
Views
945
Hydrostatic Pressure in Freefalling Water Tank: Comparing Point A and B
Apr 29, 2021
Replies
13
Views
2K
Learning DEs: Solving 2nd Order Differential Equations
Apr 27, 2021
Replies
1
Views
803
Mechanical Advantage of a pulley with horizontal effort
Apr 27, 2021
Replies
15
Views
3K
Question about Plasma Ball (can I leave it running all night?)
Apr 27, 2021
Replies
2
Views
4K
Rack of blocks held horizontally under pressure
Apr 26, 2021
2
Replies
52
Views
3K
What speed v(t) enables constant power by solenoid pull?
Apr 26, 2021
Replies
4
Views
931
Reference frame in collision problems
Apr 26, 2021
Replies
9
Views
1K
Observation about the rotation of a disc
Apr 25, 2021
Replies
4
Views
966
Why is "dr" not used for moment of inertia calculations?
Apr 25, 2021
Replies
22
Views
3K
4 Pole Induction Motor Working Principle
Apr 25, 2021
Replies
1
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2K
What speed v(t) enables constant power by release compressed spring?
Apr 24, 2021
Replies
17
Views
1K
The sound that rushing water makes
Apr 23, 2021
Replies
7
Views
3K
Kinetic energies in two reference frames
Apr 22, 2021
Replies
13
Views
2K
Find time from distance-speed graph
Apr 21, 2021
Replies
4
Views
922
Air pressure to energy, am I missing something?
Apr 21, 2021
Replies
18
Views
2K
Balloon inflated by external vacuum: why won't it burst?
Apr 20, 2021
Replies
11
Views
988
Testing Newtonian Gravity: Collision of Two Masses
Apr 20, 2021
Replies
17
Views
2K
How much salt/other product add to water so a medium acorn floats?
Apr 19, 2021
Replies
7
Views
1K
Is acceleration still equal in the presence of air resistance?
Apr 19, 2021
Replies
30
Views
5K
How can I calculate the load on each line in a pulley system?
Apr 18, 2021
Replies
9
Views
5K
Plasma ball and effects luminous
Apr 17, 2021
Replies
3
Views
1K
Is there any motion hidden within potential energy?
Apr 16, 2021
Replies
7
Views
1K
The Lagrange equations from mechanics
Apr 15, 2021
Replies
5
Views
1K
Why Does Hagen-Poiseuille Predict Higher Exit Velocity Than Bernoulli?
Apr 13, 2021
Replies
11
Views
2K
Elastic collision in 2 dimensions
Apr 12, 2021
Replies
23
Views
1K
Help understanding how my "magic" siphon works....
Apr 11, 2021
Replies
17
Views
3K
Investigating Wake Profiles of Different Objects
Apr 10, 2021
Replies
5
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2K
Chemical potential and fugacity
Apr 10, 2021
Replies
1
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1K
How to Master Projectile Motion Without Quadratics
Apr 7, 2021
Replies
8
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2K
Question about the role of mass in inclined planes
Apr 7, 2021
Replies
5
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2K
What height was reached by a projectile of a pressurized system (pics)
Apr 6, 2021
Replies
2
Views
918
Maximizing Horizontal Range of a Projectile
Apr 6, 2021
Replies
8
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3K
Elastic collision considering the angle of impact
Apr 5, 2021
Replies
10
Views
1K
Timing a bouncing ping-pong ball
Apr 5, 2021
Replies
19
Views
2K
What determines the direction of static friction forces?
Apr 4, 2021
Replies
6
Views
1K
Discover the Law of Levers: Uncovering Evidence and Documents | Prove It Now!
Apr 3, 2021
Replies
10
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2K
Direction of Angular velocity and Angular momentum?
Apr 2, 2021
Replies
9
Views
1K
Potential energy increase of an expanding stellar object
Apr 1, 2021
Replies
4
Views
746
Does Raising My Arm Change the Center of Mass?
Mar 29, 2021
Replies
8
Views
1K
Equation of a sound wave with viscous damping in ideal gas
Mar 28, 2021
Replies
3
Views
1K
How can evaporative cooling air conditioning work?
Mar 27, 2021
2
Replies
69
Views
3K
Could you point me to interesting videos about plasma balls?
Mar 27, 2021
Replies
5
Views
976
Projectile Motion with a backwards Rotation/Tumble
Mar 26, 2021
Replies
16
Views
2K
How do surface piercing propellers work?
Mar 26, 2021
Replies
18
Views
5K
What Is the Physics Behind the Sweet Spot on a Baseball Bat?
Mar 21, 2021
2
Replies
39
Views
3K
Motion involving Translation & Rotation |Kleppner and Kolenkow
Mar 20, 2021
Replies
10
Views
1K
Homemade cloud chamber not working
Mar 20, 2021
Replies
28
Views
26K
Confused about some basic mechanics principles (force , PE)
Mar 19, 2021
Replies
6
Views
1K
Centripetal acceleration problem (box sitting on a table)
Mar 17, 2021
Replies
3
Views
1K
Can a gyroscope lift a fulcrum (and itself), hinged to the floor?
Mar 17, 2021
Replies
8
Views
2K
Elastic collision formulas -- Derivation blunder
Mar 15, 2021
Replies
3
Views
850
Max tip speed of a spinning cable
Mar 15, 2021
Replies
4
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1K
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