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Designing a Speed Retarding System for a Gokart
Jun 7, 2009
Replies
2
Views
2K
Building a Linear Accelerator at Home: Safety Concerns
Jun 6, 2009
Replies
3
Views
4K
The acceleration of falling backwards
Jun 6, 2009
Replies
2
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3K
Rotational degrees of freedom I don't get it.
Jun 6, 2009
Replies
12
Views
21K
Elastic Collision: Rotational Momentum and Linear Momentum
Jun 5, 2009
Replies
37
Views
6K
Spaceship hit the ground with a velocity of 100 m/s
Jun 5, 2009
Replies
3
Views
2K
Does a car's speed change when it hydroplanes?
Jun 4, 2009
Replies
28
Views
22K
Why do car wheels spin backwards
Jun 4, 2009
Replies
2
Views
4K
Continuity Between Statistical Mechanics and Fluid Dynamics
Jun 4, 2009
Replies
1
Views
3K
Are generators efficient when powering only one small appliance?
Jun 4, 2009
Replies
5
Views
3K
What would be the result of this collision?
Jun 4, 2009
Replies
5
Views
3K
Calculating Pressure at Depth in Oceans/Lakes
Jun 3, 2009
Replies
3
Views
8K
Determining mass distribution for team-lifting of arbitrary objects
Jun 3, 2009
Replies
7
Views
3K
Uncovering the Truth: Analysis of a Mysterious Car Accident on the Highway
Jun 3, 2009
Replies
13
Views
4K
Accelerating into space for a day.
Jun 2, 2009
Replies
16
Views
5K
The mud flies off the tyre of a moving motor cycle in the direction:
Jun 2, 2009
Replies
7
Views
8K
What Are Good Low Work Function Materials for Photoelectric Effect Experiments?
Jun 2, 2009
Replies
6
Views
7K
Moment of Inertia of Solid and Hollow Spheres using Disks and Rings Respectively
Jun 2, 2009
Replies
2
Views
6K
How to show that motion of a rigid body = translation + rotation
Jun 2, 2009
Replies
11
Views
5K
A Bernoulli Bet (experts please)
Jun 2, 2009
Replies
12
Views
3K
Weight=mg and if g is the acceleration due to gravity
Jun 1, 2009
Replies
4
Views
2K
Flame becomes larger with water mist
Jun 1, 2009
Replies
1
Views
2K
Pressure in pipes related to pipe size and pump for water filtration system
May 31, 2009
Replies
1
Views
5K
Gravity violating the conservation of energy in a closed system?
May 31, 2009
Replies
4
Views
4K
Discover the True Weight of Air: Experimenting with Gas Molecules"
May 30, 2009
Replies
25
Views
4K
Acceleration Due To Gravity: Why Is It the Same for All Bodies?
May 30, 2009
Replies
39
Views
66K
Double Ball Drop and linear momentum
May 30, 2009
Replies
1
Views
2K
Power spike in secondary solenoid
May 30, 2009
Replies
7
Views
3K
What causes the back emf in motors
May 30, 2009
Replies
6
Views
13K
About rotation and precession
May 28, 2009
Replies
15
Views
4K
What Factors Cause Miscalculations in Skydiver Terminal Velocity Estimates?
May 28, 2009
Replies
3
Views
20K
Question About Speed Of Movement Through Materials
May 28, 2009
Replies
3
Views
2K
Understand the Physics of Throwing a Ball Upward
May 27, 2009
Replies
10
Views
18K
Angular momentum conservation principle
May 27, 2009
Replies
6
Views
2K
Rigid body dynamics: Resting contact
May 27, 2009
Replies
1
Views
3K
How is this Bio-mass power plant plausible?
May 27, 2009
Replies
4
Views
2K
Air pressure variation with height
May 27, 2009
Replies
1
Views
3K
Can spinning reference frames mimic gravitational fields?
May 26, 2009
Replies
12
Views
4K
Why is Inertia Important in Physics?
May 26, 2009
Replies
1
Views
2K
Quadrupole Potential: Help Derive and Decipher This Beast
May 26, 2009
Replies
6
Views
3K
Confused about conservation of momentum
May 25, 2009
Replies
15
Views
3K
Defining Mechanical Energy: A Scientist's Perspective
May 25, 2009
Replies
10
Views
30K
A reliable source for the terminal velocity of a tennis ball.
May 25, 2009
Replies
2
Views
9K
Inertia or Tension: Pulling a Stretched String
May 25, 2009
Replies
1
Views
2K
Elastic off-center central collisions (?)
May 25, 2009
Replies
4
Views
5K
Carrying Multiple Frequencies On A Single Copper Cable
May 24, 2009
Replies
8
Views
3K
Understanding derivation of kinetic energy from impulse?
May 24, 2009
Replies
3
Views
7K
Lever question when lever is angled
May 24, 2009
Replies
1
Views
4K
Symmetry in Statistical Mechanics
May 24, 2009
Replies
1
Views
3K
Can Earth's Atmosphere Retain All Types of Atoms?
May 24, 2009
Replies
10
Views
4K
Billiards - Predicting Optimal Trajectories?
May 24, 2009
Replies
7
Views
3K
Hearing in Space: Can You Hear a Vacuum?
May 23, 2009
Replies
10
Views
3K
How does a system consisting of two nuclei have rotational symmetry?
May 23, 2009
Replies
5
Views
2K
The physics of falling and landing
May 23, 2009
Replies
13
Views
15K
Three masses elastic collision
May 23, 2009
Replies
5
Views
3K
Impossable with a pump to suck water from a lake
May 22, 2009
Replies
4
Views
3K
Maintaining Flywheel Momentum for Indefinite Period
May 21, 2009
Replies
10
Views
5K
Using Moments of Inertia and Stress to Determine Maximum Load on a Beam
May 21, 2009
Replies
4
Views
10K
What Is the Difference Between Mass and Weight?
May 21, 2009
Replies
4
Views
3K
Acceleration (d^2x/dt^2) as a function of x; x as a function of t.
May 21, 2009
Replies
3
Views
33K
Question corncerning acceleration and velocity
May 21, 2009
Replies
2
Views
2K
Formula for differential wheels translation/rotation
May 20, 2009
Replies
2
Views
9K
A project that needs direction, on gravity, friction, acceleration & deceleration
May 20, 2009
Replies
13
Views
3K
Rotational inertia of truck and trailer
May 20, 2009
Replies
4
Views
7K
Inclined Planes: Heavier Can Go Farther?
May 19, 2009
Replies
5
Views
3K
Finding Extension of Rod with FcosQ and FsinQ Applied
May 19, 2009
Replies
1
Views
3K
Understanding the concept of tension
May 19, 2009
Replies
6
Views
4K
Is Work Equal to Force Times Distance?
May 19, 2009
Replies
2
Views
2K
Reference area, in drag coefficient formula
May 19, 2009
Replies
1
Views
19K
Just a quick question about a car jumping.
May 18, 2009
Replies
1
Views
2K
Calculating Work Between Two Points on a Line – Simple Question
May 18, 2009
Replies
5
Views
2K
How do I calculate acceleration with a mass of Zero
May 17, 2009
Replies
7
Views
4K
Question about water flow through a PC watercooling system
May 17, 2009
Replies
5
Views
3K
Spring mass system with applied force kinetic energy
May 17, 2009
Replies
1
Views
4K
Is it viable to talk about physical impacts in terms of force instead of energy?
May 16, 2009
Replies
9
Views
3K
Making photos under the water with common camera
May 16, 2009
Replies
8
Views
2K
Relation between mass and velocity
May 15, 2009
Replies
6
Views
94K
Degenerating force in Lagrangian mechanics
May 15, 2009
Replies
1
Views
2K
Conserving Momentum in an Inelastic Collision: Explained
May 15, 2009
Replies
23
Views
9K
About 'origin' of the centrifugal force
May 15, 2009
Replies
11
Views
4K
Same gravitational acceleration of unequal masses
May 14, 2009
2
Replies
87
Views
16K
Calculating Force of Jumping Motorcycle
May 14, 2009
Replies
7
Views
8K
Will a Sphere Roll or Slide on an Inclined Plane?
May 14, 2009
Replies
6
Views
7K
Force of car at 40mph is equivalent to bowling ball at ?
May 14, 2009
Replies
2
Views
4K
Conservation of momentum on a swing
May 13, 2009
Replies
7
Views
10K
What are the Physics Behind Baseball Pitching Techniques and Illegal Pitches?
May 13, 2009
Replies
2
Views
5K
How powerful would super jump shoes have to be?
May 13, 2009
Replies
3
Views
4K
Is Friction Dependent on Surface Area in Braking Performance?
May 13, 2009
Replies
3
Views
2K
Basic question on the Newton and acceleration
May 12, 2009
Replies
9
Views
9K
Question about weight/mass/force I can´t explain
May 12, 2009
Replies
6
Views
5K
How do you make the potential zero at infinity, here
May 12, 2009
Replies
9
Views
4K
What makes the sound when balloons pop?
May 12, 2009
Replies
3
Views
7K
Relationship power and amplitude
May 12, 2009
Replies
21
Views
58K
Angular momentum, Spin and satelites
May 12, 2009
Replies
7
Views
3K
Why does water with no gravity acting upon it form a sphere?
May 11, 2009
Replies
34
Views
14K
Angular momentum of a solenoid
May 11, 2009
Replies
3
Views
4K
What is the formula for calculating mechanical advantage in a pulley system?
May 11, 2009
Replies
2
Views
6K
Angular velocity vs Quaternions
May 11, 2009
Replies
7
Views
8K
How do you work out the take off velocity from max vertical height attained?
May 11, 2009
Replies
7
Views
19K
Conservation of Linear/Angular Momentum?
May 10, 2009
Replies
3
Views
15K
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