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Can the speed of sound in air be faster?
Jun 18, 2017
Replies
9
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2K
Coriolis effect on ballistics and old chart
Jun 18, 2017
Replies
17
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5K
Reasoning behind predicting a gyroscope's motion
Jun 18, 2017
Replies
9
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2K
Force acting on the center of mass of a rolling disk
Jun 17, 2017
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1
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1K
Pressure and the Young-Laplace Equation
Jun 16, 2017
Replies
36
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6K
Relationship between work and force
Jun 16, 2017
Replies
5
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2K
Is it possible to double jump in real life?
Jun 16, 2017
Replies
6
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5K
Momentum of a Pendulum: Angular and Linear Changes
Jun 16, 2017
Replies
2
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4K
Moment of Inertia: Definition & Physical Meaning
Jun 15, 2017
Replies
1
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1K
Is it possible for a feather to lift a car?
Jun 15, 2017
Replies
13
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3K
Energy required to slow mass falling from "X" height
Jun 15, 2017
Replies
6
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1K
Atmospheric drag on an artificial satellite orbiting the Earth
Jun 15, 2017
Replies
4
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2K
Radio Carrier Signal Trouble Understanding
Jun 14, 2017
Replies
18
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4K
Absolutely rotationless reference frames?
Jun 14, 2017
2
Replies
54
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4K
Classical mechanics: Jacobi variational principle
Jun 14, 2017
Replies
8
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2K
Car acceleration on concrete and on asphalt
Jun 14, 2017
Replies
10
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2K
Confusion about work performed by a horizontal push or pull
Jun 13, 2017
Replies
5
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2K
Momentum Conservation & External Force: Explained with an Example
Jun 13, 2017
Replies
5
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1K
Moment of inertia for a fidget spinner....
Jun 13, 2017
Replies
5
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4K
Impulse and Momentum: What's the Difference?
Jun 12, 2017
Replies
2
Views
1K
Particle accelerators and timing for particles
Jun 12, 2017
Replies
5
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2K
Newbie question -- A train in space with a ball floating in a train car....
Jun 12, 2017
Replies
5
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1K
Motion analysis of an accelerating wedge and a block
Jun 12, 2017
Replies
37
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6K
Is Pressure Drop Measured at Pipe Centreline or Averaged Over Surface?
Jun 12, 2017
Replies
1
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1K
Physical interpretation of the "total potential energy"
Jun 12, 2017
Replies
20
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8K
Is my equation for projectile trajectory accurate?
Jun 10, 2017
Replies
7
Views
2K
Will a Massless Pulley with Friction Rotate with Unequal Masses on Either Side?
Jun 10, 2017
Replies
1
Views
1K
Bicycle tire width vs. pressure for identical comfort
Jun 10, 2017
Replies
8
Views
2K
Shockwave of mushroom cloud rising at supersonic speed
Jun 10, 2017
Replies
7
Views
2K
TagEqual force for different times: Pushing a car slowly vs quickly
Jun 9, 2017
Replies
2
Views
1K
Final velocity of an air rifle pellet from compressed gas
Jun 9, 2017
Replies
4
Views
2K
About centripetal acceleration
Jun 9, 2017
Replies
17
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3K
Is true force just "accepted" if it satisfies Newton law?
Jun 9, 2017
Replies
6
Views
2K
Correct formula for deflection of a falling object
Jun 8, 2017
Replies
6
Views
2K
Why Is Tension Equal in a Frictionless and Massless Pulley System?
Jun 8, 2017
Replies
3
Views
4K
Conservation of momentum and Moment of Inertia
Jun 8, 2017
Replies
3
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1K
Confusion about gravitational acceleration
Jun 8, 2017
Replies
5
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1K
Are the Reasons for Pendulum's Mass and Amplitude Independence Contradictory?
Jun 7, 2017
Replies
14
Views
3K
How Can Medical Students Enhance Their Understanding of Physics and Math?
Jun 7, 2017
Replies
5
Views
2K
Why is it quieter to lower your hand when you catch a falling ball?
Jun 7, 2017
Replies
9
Views
2K
Torque to rotate pulley with equal mass on each side.
Jun 7, 2017
Replies
3
Views
2K
How did Newton explain his laws of motion?
Jun 7, 2017
Replies
17
Views
2K
Math Foundations -- Sign conventions in this soil pressure graph
Jun 6, 2017
Replies
9
Views
2K
Is Velocity Equal to a*t in an Acceleration vs Time Graph?
Jun 5, 2017
Replies
3
Views
2K
Lift: Probably my last question
Jun 5, 2017
Replies
7
Views
2K
Bernoulli's equation, Venturi effect, hydraulic head, nozzle
Jun 5, 2017
Replies
2
Views
2K
Bernoulli equation derivation with added mechanical work
Jun 5, 2017
Replies
13
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3K
LeSage gravitational theory: Can it be made to work?
Jun 4, 2017
Replies
15
Views
2K
How Does EMF Maintain Potential Difference and Charge in a Circuit?
Jun 4, 2017
Replies
6
Views
1K
Why does water seek its own level?
Jun 4, 2017
Replies
1
Views
6K
A site that explains the physics behind particle Accelerators?
Jun 3, 2017
Replies
1
Views
2K
How Does Applying Forces to a 3D Axis System Affect Its Motion and Stability?
Jun 3, 2017
Replies
29
Views
4K
How to calculate Drag Coefficient?
Jun 2, 2017
Replies
26
Views
13K
Is work a function of state in adiabatic processes?
Jun 2, 2017
Replies
1
Views
2K
Speed of a wave on a string w.r.t. which reference frame
May 31, 2017
Replies
19
Views
3K
Finding Impact Depth: Most Realistic Way Possible
May 31, 2017
Replies
38
Views
7K
Falling time for a free falling object through large distances
May 31, 2017
Replies
8
Views
2K
Phase velocity and wave velocity
May 31, 2017
Replies
15
Views
7K
How Does the Distance y Change When Mass x Varies in a Pulley System?
May 31, 2017
Replies
5
Views
3K
Can a Circular Flow of Water with Turbines Generate Sustainable Energy?
May 30, 2017
Replies
8
Views
1K
Aerodynamics slipstream and drag
May 29, 2017
Replies
1
Views
2K
How far will a toy car travel with a small rocket motor
May 29, 2017
Replies
44
Views
4K
Can someone help calculate pressure drop ?
May 29, 2017
Replies
3
Views
2K
How do we decide dimension of motion?
May 28, 2017
Replies
23
Views
2K
Deriving equation of wave motion
May 28, 2017
Replies
1
Views
5K
Falling question about terminal velocity
May 27, 2017
Replies
3
Views
2K
Ball bouncing on a planet (no atmosphere) follow up questions
May 27, 2017
Replies
14
Views
2K
What will happen if i throw a cricket ball through Saturn's ring
May 27, 2017
Replies
10
Views
2K
Simple Harmonic Motion/Period of a Physical Pendulum
May 26, 2017
Replies
11
Views
5K
Pressure, surface area and force in tire
May 25, 2017
Replies
15
Views
6K
Motion on a frictionless Surface
May 25, 2017
Replies
11
Views
6K
Mechanical energy to kinetic energy storage....?
May 25, 2017
Replies
9
Views
2K
Simple question about acceleration from accelerometer
May 25, 2017
Replies
8
Views
2K
Why is work done expressed as F.dx instead of x.dF?
May 25, 2017
3
Replies
105
Views
12K
Vacuum & Sound: What Happens to Energy?
May 24, 2017
Replies
3
Views
2K
Work-Energy theorem if the particle´s mass depends on time
May 24, 2017
Replies
11
Views
3K
Would this device(pic inside) work for boiling cold water?
May 24, 2017
Replies
15
Views
2K
Rolling a spray paint cap on a surface
May 23, 2017
Replies
1
Views
1K
Can you know which reference frame is accelerating?
May 22, 2017
Replies
22
Views
2K
Force exerted by a jumping dog
May 22, 2017
Replies
5
Views
3K
Getting energy from deep ocean pressure
May 21, 2017
Replies
23
Views
5K
Can a plastic container break from having too much water
May 21, 2017
Replies
11
Views
4K
Calculating Filling Time for a Diving Tank with Changing Hydrostatic Pressure
May 20, 2017
Replies
2
Views
2K
Galilean invariance: Newton's 2nd Law of motion
May 20, 2017
Replies
19
Views
10K
Gaussian gun: Where does the extra kinetic energy come from?
May 20, 2017
Replies
11
Views
5K
Solving Car Collision: Velocity Impact of 40cm Rear End Impact
May 20, 2017
Replies
17
Views
2K
Is the Author's Approach to Nonholonomic Constraints Physically Correct?
May 19, 2017
Replies
10
Views
2K
Derivation of motion equations for collision detection
May 19, 2017
Replies
2
Views
1K
Difficulty extracting fluid from balloon via syringe
May 18, 2017
Replies
8
Views
3K
Difference between translation and uniform motion
May 18, 2017
Replies
5
Views
2K
What Happens When Water Meets a Black Hole?
May 17, 2017
Replies
10
Views
2K
Finding Friction Force on a Break Pad
May 17, 2017
Replies
1
Views
4K
Why isn't Kinetic Energy always equal to Potential Energy?
May 17, 2017
Replies
7
Views
3K
Coefficient of friction of various materials not listed in standard references
May 17, 2017
Replies
7
Views
4K
How Is Stoke's Drag Formula Derived Beyond Dimensional Analysis?
May 17, 2017
Replies
1
Views
2K
What is Pressure and surface tension in fluids
May 13, 2017
Replies
5
Views
2K
Calculate Torque to lift 7'-9' pole with 5-8 lbs at the end
May 13, 2017
Replies
20
Views
5K
What is the work function of Nichrome?
May 13, 2017
Replies
9
Views
3K
Proving that two integrals of potential energy are equal
May 12, 2017
Replies
5
Views
1K
Reynolds transport theorem derivation - linear momentum
May 12, 2017
Replies
5
Views
3K
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