Introductory Physics Homework Help Forum

Projectile Motion of a Cannonball: Calculating Velocity, Height, Time, and Range

Orbit of Geostationary Satellites

Orientation of Image Produced by Double Convex Lens

Doppler Effect/Projectile Motion

Equivalence principle - light beam through a rocket

Finding the frequency of small oscillations given potential energy U

Gravitational force between objects

Calculating Velocity in Two Dimensions: A Real-Life Swimming Challenge

Bernoulli, Fluid Dynamics, and ships

How Does a Thin Film Alter the Optical Path Length?

Taking the average of a formula

Molar heat capacity for diatomic gas through two-step heating process

Finding ocean depth from compressed air in closed tube

Haidinger fringe (interferometer at zero path difference)

What Determines the Amount of Work Done in a Marble Ramp Experiment?

How do two springs act as a simple harmonic oscillator in a spring-mass system?

Velocity of an asteroid from an infinite distance

Why does one person get shocked and the other not?

Calculating Work Done by Gas in a Mercury-Filled U-Tube with Right Angle Bends"

Negative time in equations of motion

Hydrogen energy levels question

What is the initial momentum of the sled-person system?

Conceptual Uniform Circular motion problem?

How Can Changing Variables in a Laser Experiment Alter the Interference Pattern?

Calculating momentum of soccer ball.

Final translational and spin velocities of spinning disc?

What Are the Calculations for the Orbit of Vanguard 1 Satellite?

Spring Constant to Bring a Car to Rest

RL Parallel Circuit Behavior Upon Switch Closure

What is the final voltage that a capacitor charges towards?

Why does the ball acquire negative charge when the switch opens during induction?

Protons along a magnetic field line

How Does Kinetic Energy Change in a Baseball After Being Hit?

Resistors in parallel with a capacitor, total resistance?

Temperature and Pressure Differences in Identical Rooms

Capacitance of four metal plates

Transverse Doppler Effect for a Moving Star

Conservation of momentum of a photon

Capacitor negative charge question

What do l1, l2 and m mean in the equation l2 - l1 = m lambda?

How do I determine the age of a sample using radiocarbon dating?

How Does Planet X's Gravity Affect Rocket Escape Velocity?

Why do x = A cos(ωt) and y = A sin(ωt) describe circular motion at constant speed?

Point and circle on sphere probability

Struggling to Invent? Need Ideas for Your Physics Project?

Final angular velocity of a merry-go-round?

Electric Fields: Oscillating point charge

Acceleration of a rod due to magnetic force

Potential energy of an electric dipole in electric field

Grade 11 Energy Transformation with External Forces

How Do You Calculate the Moon's Speed and Acceleration in Its Orbit?

Retarded Green's Function for D'Alembertian

Collision question -- 2 balls colliding elastically

Calculating Electron Velocity and Orbit in Crossed Electric and Magnetic Fields

Calculate linear momentum of earth

How High and Fast Does a Bullet Travel When Shot Vertically?

A disc in space will rotate or not?

How Is Energy Calculated in a Capacitor?

Compressing ideal gas, show no heat exchange

Self and mutual inductance of a solenoid

Catching up to object moving away

Deceleration necessary to prevent a train collision

Normal incidence on 2 dielectric boundaries

The greatest angle at which a ladder won't slip

Calculating half power frequency/cutoff frequency

Pendulum involving Spring and Rotating plank

RC circuit capacitance from half-max voltage time and RL circuit resistance

Angular momentum about the contact point when a rolling cylinder hits a wall

• Poll

A ball with some energy and yes a string

Gravitational Force and Density on a Planet with a Digging Experiment

Compressed Spring Between Two Boxes

Tension on Rope, greater then, less than, or equal to

Circuits with two sources of Emf

"Diffraction: Why Bass Music is Easier to Hear

Thin film interference with 200nm oil film on water

Finding max speed and corresponding angle for a semi-circular path

Why does RLC resonance make the capacitor and inductor voltages cancel?

Angular Velocity Of A Sphere Rotating Under Gravity

Derivation of self inductance formula in an LC circuit

Angle of Deflection of Laser Given Tilted Mirror

Mechanics. Gravitation and gravity

Special relativity and really fast trains

Thermodynamic Query: Calculating Heat Transfer for Monoatomic Gas at S.T.P.

Finding fish apparent position and length through spherical glass fishtank

Focal length of lens at border of two liquids

Conducting slidewire see system-Faraday's Law

Electric potential, Can Someone Check This?

A ball is thrown upward direction , is it a -ve displacement

How to Derive the ABCD Matrix for a Transmission Line?

Destructive interference with optical path difference λ/2

Looking For (Academic) References About How the LHC Works

Finding speed of two electrons initially at rest

How much charge inside a Gaussian surface?

+ charged sphere and - charged sphere touch and separate

Work done by line integral in electrostatics

Why does charge on a pointy conductor not uniformly spread?

Object sliding down a block on a scale

Dielectric Cylinder Polarization (Electrostatics)

Converting 200 MeV per uranium-235 fission to joules

Reason for the obvious movement of a block