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Projectile motion: solving for variable angle
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The Hydrogen Atom Ground State: Radiation Emission
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2K
Simple rigid body collision reaction
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A car dealerships garage door hit my wifes car.
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2
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2K
Vertical and horizontal motion
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Column Pressure and conservation of energy
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Question about static friction and energy loss
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4
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Collisions in the centre of mass frame
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Why Does Oil Float Above Water?
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Spring Constant and cord length? * Need explanation*
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Can one derive F=ma from kinetic energy ?
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The Gravity Paradox: Does Mass Affect Speed?
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Influence of Centrifugal force in 'g'
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3
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Average Velocity in One Dimension
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How much do you weight in an elevator?
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9
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19K
Toboggan National Championships: Speed Theory Debate
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11
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11K
Calculating work done with angles
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Proton=positron+neutron. what about law of conservation of mass?
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4
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Is it possible to simplify the drag equation for 3D programming purposes?
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Rotation of a sphere because of its gravitational field
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23
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Direction of frictional force in wheels
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Does Nozzle Orientation Affect Speed in Compressed Air Powered Boats?
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14
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Is there lag as force is converted into acceleration?
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4
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Creating a simple Friction model
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Can Torque Explain the Motion of an Ideal Pendulum?
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4
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Integrate vector in rotating frame?
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1
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Having problems calculating Y vs X of projectile
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7
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What causes atmospheric pressure: gravity or molecular collisions?
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5
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Angular momentum linear momentum
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Motor that meets these requirements?
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3
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How to calculate momentum at right angle
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1
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Moving solar panel produce more power than a stationary one
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2
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Efficiency of a hollow sphere of bouncy balls?
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18
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Particle displacement vs time graph of sound. How can this happen?
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7
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Jumping perpendicular out of a fast spaceship will retain your speed right?
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4
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Does marbles have friction or not?
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3
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Controlling a material's opacity
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3
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Conservation of angular momentum vs. linear momentum
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How is acceleration possible if there is an everpresent equal+opp force?
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7
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My model of torque in a rod with mass
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1
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Did space missions use Newton's Theory of Gravity
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6
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Calculate Power from Water flow
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2
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14K
KE of system / different reference frames question
3
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124
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16K
When we r considering a ball that is thrown at 45 angle, with the air
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28
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Hardhat testing with steel ball dropped from a height
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2
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Maximum Angular velocity possible
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6
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How fast will the pressure decrease from a leaking gas tank?
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1
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Car moving at constant velocity.
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4
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Hydro-power output question(s)
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9
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How does a rocket stay stable during liftoff?
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17
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Why Multiply Force and Displacement in Work and Energy?
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2
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Efficient Pulley System for Fabric: Reduce Effort by 1/3 | Physics Forums"
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2
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Contravariant components and spherical component of acceleration
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4
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Working on Cannonball simulator
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1
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Gravitational acceleration from moon
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3
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Tension When Moving String w/ Object Attached
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7
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Snooker/billiard/Newton's balls
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2
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Why does water travel up in fabric/paper?
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1
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Confusion over Newton's 3rd law
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28
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The difference between sound and music
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3
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About acceleration of block with respect to wedge and ground
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6
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Calculate Engine Power with Speed & Water Resistance
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1
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Hot Air Balloon Rises due to Kinetic Energy of Molecules
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10
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Transformation matrix for components of acceleration
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1
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What causes one billiard ball to move another?`
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6
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Question on conservation of momentum
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4
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Angular momentum at a distance
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6
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Calculating new velocities after ball collision
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13
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How 'pressure' is a scaler quantity?
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3
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Gravity Power Plant Feasibility: Explained
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Does salt added to water decrease the time needed to reach boiling point?
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30
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Law of inertia states roughly that an object will remain
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5
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Does a bass speaker create equal sound and pressure at both ends of a pipe?
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11
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Spherical Coordinate Systems(Cartesian, i think it called)
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5
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Deriving equation of simple harmonic motion
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17
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Velocity of falling object through fluid flowing upward
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2
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What is the degree of maximum g-force in a car's turn?
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4
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How Is Kinetic Energy Calculated and Converted into Electrical Energy?
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3
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Simulating Impacts of an Iron Man Suit: Free Program?
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4
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How Much Torque to Spin a Disk at 30,000 RPM?
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1
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Earth Rotation: Angular Momentum Conservation?
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4
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Question regarding pulse waves
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How does the addition of a weight change the speed of an air rising in water?
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11
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Does Rope Position Affect Acceleration in Rotational Movement?
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7
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Carrier Swing & Deviation Ratio: Clarifying the Definitions
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1
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Does a Bicycle Require Less Torque to Maintain Speed Than to Start Moving?
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1
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Physics books for (elasticity - hydraustatics)
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Work in a PV Curve: Is the Work Done 0?
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1
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Object moving radially outward on Rotating Flywheel
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5
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Questions on the kinetic molecular theory of gases
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4
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If this is not a Bernoulli spiral, what is it then?
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Expression for time period of simple pendulum
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1
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Solving the Falling Pencil: How Small is the Degree Difference?
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9
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Oblique collisions between non-sliding surfaces
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Friction & Rolling: Flat Surface, Constant Speed
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10
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What is the difference between Langrangian, Hamiltonian and Newtonian Mechanics?
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13
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Solving Speed, Road and Time Equations
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5
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Cassini ovals being the equipotential lines?
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1
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Momentum & Impulse: Throwing a Ball at the Wall
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6
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Calculating Power from Acceleration
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