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Pressure felt by a piston, Mach number of speaker making the sound
Sep 9, 2019
Replies
14
Views
3K
Boltzmann distribution and the number of molecules with a certain velocity
Sep 8, 2019
Replies
10
Views
3K
Boyle's Law and Applied pressure
Sep 8, 2019
Replies
6
Views
1K
Power Loss in Transmission Lines: AC vs DC Comparison Explained with a Model
Sep 8, 2019
2
Replies
50
Views
12K
SciAm article: Trapping the Tiniest Sound
Sep 8, 2019
Replies
0
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4K
Question about net work and displacement
Sep 7, 2019
Replies
12
Views
2K
Where does the energy come from in the potential difference in the Hall effect?
Sep 7, 2019
Replies
11
Views
2K
How to relate the gravitational potential energy zero to the axes?
Sep 6, 2019
Replies
4
Views
2K
Rotational Frame Transformations
Sep 6, 2019
Replies
14
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2K
Can Math Model Real-World Camera Focusing Dynamics?
Sep 6, 2019
Replies
1
Views
1K
Lagrange Equations of Motion for a particle in a vessel
Sep 5, 2019
Replies
2
Views
2K
G forces when falling - proper acceleration question
Sep 2, 2019
Replies
11
Views
2K
Debate over the experimental procedure for Newton's 2nd Law
Sep 2, 2019
Replies
6
Views
1K
Question for anyone with Morin's "Introduction to Classical Mechanics"
Sep 2, 2019
Replies
7
Views
2K
Pressure of captured air under water
Sep 1, 2019
Replies
12
Views
3K
Why is there no virtual work done by a rolling friction?
Aug 31, 2019
Replies
13
Views
4K
Angular acceleration of a pendulum on an accelerating train
Aug 31, 2019
Replies
1
Views
6K
What causes that water kettle sound?
Aug 30, 2019
Replies
19
Views
5K
Why does a Polywell Fusion Reactor not generate net power?
Aug 29, 2019
Replies
1
Views
6K
What is the approximate pressure at the center of a cool Earth with no gravity?
Aug 29, 2019
Replies
1
Views
2K
Maximum work done by a body in an external medium
Aug 27, 2019
Replies
6
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2K
How to Determine the Axis of Rotation
Aug 27, 2019
Replies
3
Views
2K
Velocity Map Imaging: Understanding 3D Reconstruction
Aug 27, 2019
Replies
2
Views
6K
What slows an object during collision, force or loss of energy?
Aug 27, 2019
Replies
13
Views
2K
Newton's Law of Cooling - "k" constant
Aug 25, 2019
Replies
3
Views
3K
GR & QM: When Do They Disagree?
Aug 24, 2019
Replies
7
Views
6K
Bicycles: Question about Energy Conservation
Aug 24, 2019
Replies
9
Views
1K
Dumb question about inertia and rotational inertia
Aug 23, 2019
Replies
34
Views
2K
Uncovering the Motivation behind the Principle of Virtual Work
Aug 22, 2019
Replies
6
Views
3K
Zero Friction on the Moon: Driving at Constant Velocity Without Air Resistance
Aug 21, 2019
Replies
8
Views
2K
How to characterize a power law field?
Aug 18, 2019
Replies
1
Views
6K
How does inertia cause the water to stay in the bucket
Aug 18, 2019
Replies
6
Views
2K
Rotation dynamics, dealing with impulse and oscillation
Aug 17, 2019
Replies
1
Views
2K
Equalization of velocity components and momentum conservation
Aug 17, 2019
Replies
16
Views
3K
What is the angular velocity in the center of a rotating disc?
Aug 16, 2019
Replies
6
Views
2K
Calculating Speed Between Two Cars
Aug 16, 2019
Replies
4
Views
2K
Question regarding potential formulas
Aug 15, 2019
Replies
1
Views
2K
Help -- I don't understand work
Aug 15, 2019
Replies
30
Views
3K
Finding Potential Energy for a Chain on Pulley System
Aug 15, 2019
Replies
1
Views
2K
Hydrostatic behaviour - water in tube
Aug 14, 2019
Replies
1
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2K
Finding potential using poisson's equation, not a homework problem.
Aug 14, 2019
Replies
1
Views
2K
Bar hanging from two springs with unequal masses
Aug 14, 2019
Replies
7
Views
3K
Why do some heats of matches go down first in a Cartesian diver experiment?
Aug 14, 2019
Replies
1
Views
2K
Finding acceleration with only height and time.
Aug 14, 2019
Replies
1
Views
2K
Question regarging pendulum axis and its motion
Aug 14, 2019
Replies
5
Views
1K
Show PE to KE change in closed system is independent of initial velocity
Aug 13, 2019
Replies
1
Views
2K
Average kinetic energy in 1 dimension according to the M-B Distribution
Aug 13, 2019
Replies
18
Views
3K
Definite and indefinite integration in the definition of work
Aug 13, 2019
Replies
4
Views
8K
How to get the real object speed?
Aug 12, 2019
Replies
22
Views
8K
Calculating Enthalpy Change of Ice Melting in Water
Aug 12, 2019
Replies
1
Views
3K
Conservation laws in Newtonian and Hamiltonian (symplectic) mechanics
Aug 12, 2019
Replies
4
Views
2K
How Does Sound Behavior Change in Low Atmosphere?
Aug 11, 2019
Replies
1
Views
7K
Torque of two screws at 180 degrees
Aug 11, 2019
Replies
10
Views
2K
Negative pressure from vacuum to shunt a object upwards?
Aug 10, 2019
Replies
2
Views
2K
Is the Earth's frame considered inertial in a moving car?
Aug 10, 2019
Replies
8
Views
2K
How to determine the velocity of a gust of air caused by a falling object
Aug 9, 2019
Replies
11
Views
1K
Adding Torque to a simple physics simulation
Aug 9, 2019
Replies
1
Views
2K
Sinking Object Motion Equations
Aug 8, 2019
Replies
6
Views
2K
Hydro Power is Actually Solar Power
Aug 7, 2019
Replies
16
Views
2K
Binding energy or Kinetic energy?
Aug 7, 2019
Replies
3
Views
10K
Elastic Collision: how do the forces and work done make sense?
Aug 7, 2019
Replies
23
Views
2K
What happens to energy when work is done?
Aug 7, 2019
Replies
11
Views
3K
Understanding Drag Force: Standard Formula vs. Alternative Formula Explained
Aug 7, 2019
Replies
1
Views
12K
The bell-in-a-vacuum-jar sound experiment
Aug 7, 2019
Replies
1
Views
14K
Can I determine mass & spring k from graph of wave, t, a, & vectors?
Aug 7, 2019
Replies
1
Views
2K
Is it possible to calculate pressure without a barometer?
Aug 7, 2019
Replies
4
Views
9K
Finding tangential force exerted by a rotating cylinder at a given point.
Aug 6, 2019
Replies
1
Views
3K
Linear Momentum and the center of mass
Aug 6, 2019
Replies
1
Views
3K
Integral of Momentum - Questions Answered
Aug 5, 2019
Replies
1
Views
3K
Potential energy of transversal and longitudinal wave
Aug 5, 2019
Replies
1
Views
3K
Relative acceleration between intertial reference frames?
Aug 5, 2019
Replies
1
Views
3K
A few questions about Potential Energy
Aug 5, 2019
Replies
15
Views
9K
Why Is Calculating Escape Velocity Different from Determining Orbital Speed?
Aug 4, 2019
Replies
1
Views
3K
Analytical mechanics for dummies ?
Aug 4, 2019
Replies
1
Views
5K
Perfect Floating Ball Illusion (inspired by Jeff Koons' Art)
Aug 3, 2019
Replies
6
Views
2K
Why does a helicopter float motionless but still consume gas?
Aug 3, 2019
Replies
8
Views
2K
Probability density function in classical mechanics
Aug 2, 2019
Replies
1
Views
1K
How to Zip Through a Rotating Tunnel Without Bumping Into the Walls
Aug 1, 2019
Replies
1
Views
3K
Internal forces and the work done by them
Aug 1, 2019
Replies
10
Views
3K
Radiometer rotation speed as function of pressure
Aug 1, 2019
Replies
7
Views
1K
Centripetal Force: What Happens When Force Increases?
Jul 31, 2019
Replies
21
Views
2K
Help Needed: Solving Homework Assignment on Beat Frequency
Jul 31, 2019
Replies
1
Views
4K
AC Generator Help: Get Answers for School Physics Assignment
Jul 31, 2019
Replies
1
Views
4K
Conservation of momentum in a collision involving three objects
Jul 30, 2019
Replies
1
Views
4K
Mechanical Advantage for an Ebike Trailer
Jul 30, 2019
Replies
13
Views
2K
Free body diagram for hinged rods
Jul 29, 2019
Replies
1
Views
4K
Conservation of momentum and springs
Jul 28, 2019
Replies
1
Views
2K
Centripetal force on a vehicle while cornering
Jul 27, 2019
Replies
6
Views
2K
Bicycle and tackling inertia at higher speeds
Jul 26, 2019
Replies
13
Views
2K
Internal and external torques.
Jul 26, 2019
Replies
1
Views
3K
(simple problem) Impulse force caused by cube collision?
Jul 26, 2019
Replies
1
Views
2K
Falling pole lifting off the ground.
Jul 25, 2019
Replies
1
Views
2K
Is Newton I independent of Newton II?
Jul 25, 2019
Replies
10
Views
1K
Speed of falling object underwater
Jul 25, 2019
Replies
3
Views
4K
If this hand water pump was instead at the bottom of a well....
Jul 24, 2019
Replies
6
Views
1K
Rotational inertia of a square piece of wood?
Jul 24, 2019
Replies
1
Views
2K
Calculate Skydiver's Velocity After 2 Seconds with k = 1/2 pCdA
Jul 24, 2019
Replies
1
Views
3K
Introduce Newtonian Metric for SR & Lorentz
Jul 24, 2019
Replies
2
Views
1K
Ratio of Kinetic Energy lost in a collision.
Jul 23, 2019
Replies
1
Views
3K
Using Vector in Determining Period of Pendulum Inside a Moving Train
Jul 23, 2019
Replies
1
Views
3K
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