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GPE and Escape Velocity: Understanding the Relationship for Moving Objects
Aug 31, 2017
Replies
20
Views
2K
Can someone help me find a method to measure water level in a tank
Aug 29, 2017
Replies
18
Views
3K
Lifting an elephant with hydraulics
Aug 29, 2017
Replies
3
Views
3K
Circular Motion: Why an Object Moves When Acceleration is Perpendicular
Aug 29, 2017
Replies
3
Views
2K
Question about an armonic sound wave
Aug 29, 2017
Replies
7
Views
2K
Is average time between and after collision same for a gas?
Aug 28, 2017
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2
Views
2K
Why is the acceleration in the same direction as the net force and friction?
Aug 28, 2017
Replies
2
Views
1K
Spin created due to an Elastic Collision of two solid balls
Aug 28, 2017
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4
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2K
Pressure drop across a valve in tank
Aug 28, 2017
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4
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2K
Newtonian energy integral and suitable boundary conditions
Aug 28, 2017
Replies
1
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1K
Understanding Linear Motors: Right Hand Rule & Current Flow
Aug 27, 2017
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5
Views
1K
How to calculate the maximum RPM of a motor?
Aug 27, 2017
Replies
6
Views
7K
Is the Work Done by Static Friction Always Zero in a Round Trip?
Aug 27, 2017
2
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42
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8K
Formula of potential energy of a nucleus
Aug 27, 2017
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1
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2K
How to count the bicycle wheel revolutions by accelerometer
Aug 23, 2017
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9
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3K
What is the drag coefficient of a windsock?
Aug 23, 2017
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1
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2K
Why Do Quadcopter Control Equations for Roll and Pitch Exclude Aerodynamic Drag?
Aug 23, 2017
Replies
2
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1K
Why Does a Water Stream's Pattern Change When Interrupted?
Aug 23, 2017
Replies
2
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1K
What takes longer? With airdrag or without?
Aug 23, 2017
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2
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1K
Damage height versus waterline when ships collide
Aug 22, 2017
Replies
10
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2K
Drag in water - object in a tunnel/tube
Aug 22, 2017
Replies
13
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2K
A Question about Sound Waves Propagating Through a Large Metal Cube
Aug 22, 2017
Replies
10
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2K
Rotational kinetic energy decreases, internal increases?
Aug 21, 2017
Replies
4
Views
1K
Calculate Rotational Torque: 8700 kgm2 @ 18 RPMs
Aug 21, 2017
2
Replies
40
Views
3K
Conservation of angular momentum - change of inertia
Aug 20, 2017
Replies
1
Views
923
Calculating amount of sag and tension for 1/8 steel cable
Aug 20, 2017
Replies
11
Views
8K
Optimizing Rotating Mass Balancing: How Many Mass Blocks are Needed?
Aug 19, 2017
Replies
3
Views
2K
Does the Kinetic Theory of Gases have an analog for solids?
Aug 19, 2017
Replies
9
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2K
Moment of inertia changes during rotation -- Calculate work?
Aug 18, 2017
Replies
3
Views
921
Calculating Speed at Time of Collision
Aug 18, 2017
Replies
1
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1K
Understanding velocity and acceleration
Aug 17, 2017
Replies
4
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2K
Whether constant acceleration and zero acceleration are the same
Aug 16, 2017
2
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36
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5K
Rotation problem - AP Physics 1
Aug 16, 2017
Replies
9
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2K
Calculate the power generated by a rotating rod turning a generator
Aug 16, 2017
Replies
12
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3K
How to derive the slip angle for a trailer-car system?
Aug 15, 2017
Replies
1
Views
1K
Physics of a Particle Collision
Aug 15, 2017
Replies
9
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1K
Meaning of potential with respect to Earth
Aug 15, 2017
Replies
6
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2K
The acceleration of two colliding particles
Aug 14, 2017
Replies
23
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3K
Can we say Angular Velocity is a 'moment' of tangential velocity?
Aug 14, 2017
Replies
7
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2K
How do you calculate moment of inertia for circle?
Aug 14, 2017
Replies
4
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1K
Capillary and liquid tension problem
Aug 14, 2017
Replies
3
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1K
Projectile Prediction with Acceleration & Delay
Aug 14, 2017
Replies
7
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2K
Doubt about irrotational flows
Aug 14, 2017
Replies
5
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1K
Center of Mass Velocity in Multiple Dimmensions
Aug 13, 2017
Replies
2
Views
1K
Velocities when generating an Archimedean spiral trajectory
Aug 12, 2017
Replies
5
Views
3K
Elevator Free Fall: Understanding the Physics and Sensation of a Cut Cable
Aug 12, 2017
Replies
12
Views
2K
Conservation of Energy for Unwinding Mass
Aug 11, 2017
Replies
15
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3K
Accelerating a satellite in a circular orbit
Aug 10, 2017
Replies
24
Views
3K
What is pressure when there are no container walls?
Aug 10, 2017
2
Replies
67
Views
7K
Confused about tension in strings
Aug 10, 2017
Replies
8
Views
1K
Why does the ball need to be rotating before colliding with the surface to skid?
Aug 10, 2017
Replies
8
Views
1K
Intuitively, which of these coroplast fins has less drag?
Aug 10, 2017
Replies
9
Views
3K
Time for Hot Water to Cool -- Calculation....
Aug 10, 2017
Replies
4
Views
3K
Would a straw work in a vacuum?
Aug 9, 2017
Replies
1
Views
1K
Why don't we feel the Earth's rotation?
Aug 9, 2017
Replies
8
Views
2K
Determining Acceleration due to gravity using a Spring
Aug 8, 2017
Replies
2
Views
15K
Difference between angular frecuency and velocity pendulum
Aug 8, 2017
Replies
5
Views
2K
Why does atmospheric pressure increase as you go closer to the Earth's surface?
Aug 7, 2017
Replies
16
Views
3K
How Did This Guy Make a Soccer Ball Wobble On the Ground?
Aug 7, 2017
Replies
12
Views
2K
Inductor behaviour in an AC power supply
Aug 7, 2017
Replies
20
Views
3K
Space elevator wondering about torque
Aug 7, 2017
Replies
2
Views
1K
The shell strikes the water at the same speed?
Aug 7, 2017
Replies
15
Views
2K
Is my intuition about torque and acceleration incorrect in this scenario?
Aug 4, 2017
Replies
10
Views
4K
How can a Photon apparently transfer Momentum without any Mass?
Aug 4, 2017
Replies
3
Views
2K
Potential Energy in 3D: Partial Derivatives
Aug 4, 2017
Replies
3
Views
1K
Find final velocities after elastic collision
Aug 3, 2017
Replies
2
Views
1K
Understanding the force on an item placed on a spring
Aug 3, 2017
Replies
20
Views
2K
A Question about Loudness of Sound....
Aug 3, 2017
Replies
4
Views
2K
Where is the work done coming from in Helmholtz free energy
Aug 2, 2017
2
Replies
50
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5K
Calculating Shaft Velocity from Torque: A Scientific Approach
Aug 2, 2017
Replies
13
Views
2K
Uniform circular motion -- How can radial acceleration have a calculated value?
Aug 1, 2017
Replies
12
Views
2K
Virtual work and D'alembert's principle
Aug 1, 2017
Replies
4
Views
3K
Acceleration & Force: Lesser Force Impact on Mass
Aug 1, 2017
Replies
5
Views
1K
Can you change a planet's orbit by reducing its velocity?
Jul 31, 2017
Replies
15
Views
2K
Question about gravity, water and snow
Jul 31, 2017
Replies
3
Views
1K
Directional conservation problem with E=cB?
Jul 30, 2017
Replies
8
Views
3K
Are Non-Sinusoidal Sound Waves Just Magic?
Jul 29, 2017
2
Replies
43
Views
6K
Calculating Impulse and Force: Understanding the Concept Behind It
Jul 29, 2017
Replies
7
Views
2K
Ceiling fan and impact force on the blades
Jul 28, 2017
Replies
11
Views
2K
Friction guiding a car around a curve
Jul 28, 2017
Replies
1
Views
1K
What is the deceleration rate of a fidget spinner?
Jul 28, 2017
Replies
1
Views
1K
Question about bicycles and inertia
Jul 28, 2017
Replies
5
Views
1K
What Forces Affect a Motorcyclist's Cornering Performance?
Jul 26, 2017
Replies
3
Views
1K
Acceleration of a gas into a vacuum
Jul 26, 2017
Replies
4
Views
976
Water Container Force: Impact of Finger Dip on Scale Measurement
Jul 26, 2017
Replies
12
Views
2K
Determine Mass moment of inertia about any axis given Ixx...
Jul 26, 2017
Replies
4
Views
2K
Hydrostatic equilibirum in slowly rotating star
Jul 26, 2017
Replies
2
Views
1K
Sound Waves -- propagating, dispersing, volume effects?
Jul 25, 2017
Replies
10
Views
2K
Pressure Chamber with Flat Door
Jul 25, 2017
Replies
8
Views
2K
Calculating Torque on a Rod: Net Torque, Mass & Distance
Jul 24, 2017
Replies
3
Views
3K
Potential energy and equilibrium
Jul 24, 2017
Replies
18
Views
2K
What is the smallest possible velocity?
Jul 24, 2017
Replies
25
Views
4K
Expected decay time of a sound based on its relative volume?
Jul 23, 2017
Replies
13
Views
2K
Calculating Projectile Force from Rotational Velocity of a Throwing Sling
Jul 22, 2017
Replies
8
Views
4K
Derivative of angular velocity of rotating co. system
Jul 22, 2017
Replies
2
Views
2K
Compressing a bottle with water - initial velocity of water
Jul 21, 2017
Replies
1
Views
1K
Spin angular momentum converted to orbital energy
Jul 21, 2017
Replies
2
Views
2K
Predicting lift on an Aerofoil with varying Angles of Attack
Jul 20, 2017
Replies
4
Views
1K
Rotation vs Translation for elbow joint
Jul 20, 2017
Replies
6
Views
3K
Initial Velocity of a dropped object problem
Jul 19, 2017
Replies
4
Views
3K
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