Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Minimum Force (roller over step)
- BMcC
- · Replies 1 ·
Finding satellite orbital velocity from centripetal acceleration
- Coco12
- · Replies 10 ·
Find an equation for position vs time given potential vs position?
- razgriz129
- · Replies 1 ·
Calculating Kinetic Energy of Hurricane Winds: A Simple Model Approach
- baubletop
- · Replies 5 ·
Finding the Coefficient of Kinetic Friction Using Acceleration Data
- notdoing
- · Replies 1 ·
Do these two force diagrams have the same torque?
- NoobeAtPhysics
- · Replies 2 ·
Capacitance Calculation for Dielectric-Filled Coaxial Cable
- CAF123
- · Replies 32 ·
Two-level quantum system observable quantities
- crowlma
- · Replies 1 ·
Finding frequency if you know mass and length of rope.
- astru025
- · Replies 2 ·
Schrodinger half spin states expectation values
- crowlma
- · Replies 1 ·
Physics HW- falling Bodies, Part 2
- Medgirl314
- · Replies 4 ·
How Much Work Must Be Done for Earth to Escape the Sun?
- hsphysics2
- · Replies 7 ·
Elastic Potential- Acceleration with springs
- hsphysics2
- · Replies 9 ·
Why Is Current in AB Finite in a Circuit with Zero Resistance?
- sbhit2001
- · Replies 3 ·
Spectral lines from multiple atoms
- gildomar
- · Replies 3 ·
Simple vector-decomposition (fluid mechanics)
- Niles
- · Replies 1 ·
Translational and rotational kinetic energy-Mass Unknown
- Crusader711
- · Replies 3 ·
Torque question
- northernwind
- · Replies 3 ·
Mechanical Energy- Geosynchronous Orbit
- hsphysics2
- · Replies 1 ·
Relating measured and predicted wavelengths for hydrogen spectrum
- leonardthecow
- · Replies 9 ·
Thermodynamics, Entropy, Clausis Inequality, Reversible and Irreversib
- binbagsss
- · Replies 2 ·
Thermodynamics solution, but why Cp*1000 ?
- psilocybin
- · Replies 2 ·
Calculate the tension in the rope
- MathewsMD
- · Replies 2 ·
How Does Wind Affect the Doppler Effect in a Two-Train Scenario?
- LeFerret
- · Replies 1 ·
Center (in y direction) of Mass of 3D pyramid
- 012anonymousx
- · Replies 3 ·
What Is the Speed of the Bullet?
- tristanmagnum
- · Replies 20 ·
Schrodinger solution spin half particles
- crowlma
- · Replies 9 ·
What is the Maximum Range of a Fired Shot from a Launcher?
- AdsBerger
- · Replies 4 ·
Distance and velocity from non-constant force, time, mass?
- Darkbound
- · Replies 21 ·
Double Slits, Calculating Wavelength
- STEMucator
- · Replies 1 ·
How fast does a diver hit the water when jumping off a 30m platform?
- Medgirl314
- · Replies 6 ·
Angular and CoM Velocities of a Solid Sphere
- m1k4chu
- · Replies 1 ·
Calculating Torque and Lever Arm
- frownifdown
- · Replies 1 ·
How do you find the acceleration of block B
- houssamxd
- · Replies 1 ·
Dirac Delta function and Divergence
- Apple96
- · Replies 1 ·
RC Circuits charging/discharging
- CollegeStudent
- · Replies 2 ·
Inertia - Moments of Inertia of a rigid body (different axes)
- frownifdown
- · Replies 6 ·
Finding the moment of inertia of a neutron star
- lazy scholar
- · Replies 2 ·
Electric Field Intensity at a point due to a infinite line charge
- Abel I Daniel
- · Replies 5 ·
What Is the Oscillation Frequency in an LRC Circuit?
- Yosty22
- · Replies 5 ·
Estimate the flow rate and speed of the water going into the turbine
- unknown1991
- · Replies 2 ·
Will Box Y Remain in Equilibrium?
- aerograce
- · Replies 3 ·
Newton's Laws Applications - Systems
- BillTheButcher
- · Replies 3 ·
Capacitor circuit with 3nF, 4nF in parallel, 5nF in series at 20V
- go2255
- · Replies 1 ·
Maxwell's Equations for Static Charge and Current Densities
- roam
- · Replies 5 ·
What Would a Pendulum's Period Be on the Moon?
- Coco12
- · Replies 14 ·
Calculating Power from rain flow
- unknown1991
- · Replies 1 ·
Deriving the momentum and kinetic energy equation
- xtrubambinoxpr
- · Replies 1 ·
How would I calculate the voltage
- mnishi96
- · Replies 1 ·
Finding Time to Equilibrium in Vertical Spring Oscillation
- rmiller70015
- · Replies 6 ·
Expressing moment of inertia in terms of m,a,r and g
- GMontey
- · Replies 5 ·
Momentum conservation and Newton's 3rd
- mrcotton
- · Replies 2 ·
Calculating Moment from Hammer/Nail Force - F = 103 N, θ = 12°
- BMcC
- · Replies 1 ·
Bullet hitting a wood block in a vise. Find initial velocity?
- hevans1
- · Replies 1 ·
Finding heat lost when waters of different temps. Are mixed
- astru025
- · Replies 4 ·
Why is my physics answer different from the calculus answer?
- aleksbooker
- · Replies 4 ·
Calculating Min. Beam Diameter to Avoid Breakdown
- Dassinia
- · Replies 7 ·
Work done against friction for a car with 125 KJ KE.
- Molly1235
- · Replies 5 ·
How Does Wall Impact Affect Momentum and Force Calculation?
- j_namtirach
- · Replies 4 ·
Conservation of Angular Momentum-Ice Skater
- Olp1217
- · Replies 2 ·
Question on FrankHertz Experiment :/
- Dgray101
- · Replies 4 ·
Astrophysics: Number of pp-reactions occuring in the Sun
- kirstlen
- · Replies 1 ·
Derivative of momentum with respect to time
- MAC5494
- · Replies 10 ·
How Do You Calculate Capacitance for a Low Pass Filter to Attenuate 60Hz Noise?
- blumpkinpie
- · Replies 1 ·
Dynamics/Kinematics - Jumper beats record jump
- azukibean
- · Replies 2 ·
What Is the Final Speed of a Steel Ball Launched from a Platform?
- rqu1ntana
- · Replies 3 ·
Why linear momentum is not conserved in inelastic collision with a rod
- Nikitin
- · Replies 4 ·
Two particles in an elastic collision given angle of first find other.
- oddjobmj
- · Replies 8 ·
Thermodynamics- Charging an air tank
- MacLaddy
- · Replies 2 ·
How can I solve a dynamics problem involving a pulley, rod, and rotating masses?
- jules.t
- · Replies 4 ·
How Do You Calculate Group and Phase Velocities for a 550nm Wavelength?
- Dassinia
- · Replies 3 ·
How Is the Initial Height h0 Calculated in a Spring Compression Problem?
- FallingMan
- · Replies 4 ·
Find the height of fluid in a U-tube container?
- qud
- · Replies 1 ·
Hollow rod outer diameter for same bending strength as 7mm solid rod
- nivek0078
- · Replies 3 ·
Carbon Dioxide Output Percentage Change
- shubu
- · Replies 1 ·
Average induced EMF and average induced current of a flipped loop?
- Violagirl
- · Replies 1 ·
How Do You Determine the Angle That Maximizes Light Dispersion?
- chipotleaway
- · Replies 26 ·
Golf club transferring kinetic energy to stationary ball at 20% efficiency
- harujina
- · Replies 4 ·
Getting the Potential Energy from a Conservative Force
- Trade
- · Replies 4 ·
Waste power plant efficiency math problem
- courtneywetts
- · Replies 1 ·
What is the current in a circuit with two cells?
- BMW
- · Replies 8 ·
Is the Calculation of 4 Fringes Correct Instead of 5?
- Miike012
- · Replies 1 ·
What is the centripetal acceleration of the hammer in circular motion?
- Coco12
- · Replies 1 ·
How to Calculate the Moment of Inertia of a Thin Rod About an Off-Center Axis?
- GreatEscapist
- · Replies 6 ·
Sliding block transitions to rotation around pivot
- buridan
- · Replies 6 ·
What is the entropy of three cue balls in a bucket?
- jjustinn
- · Replies 3 ·
Magnetic field of a wire within a hollow cylinder.
- freshcoast
- · Replies 28 ·
Enthalpy change for supercooled water freezing at 258 K
- Joel Martis
- · Replies 5 ·
Cat walking on a log floating on water
- GreenTea09
- · Replies 3 ·
Conservation of kinetic energy/linear momentum problem
- jhahler
- · Replies 1 ·
Determing Spring Constant by Graphing
- dropgigawatt
- · Replies 1 ·
Constant Velocity or Acceleration
- Noobstorm
- · Replies 1 ·
Simple Projectile Motion Problem. Unknown initial speed.
- TruthSeaker15
- · Replies 3 ·
Fraction of vapor present in an ideal solution
- zaboda42
- · Replies 4 ·
How to Explain and Diagram a Sound Instrument Project?
- instrumentphy
- · Replies 1 ·
Electric Field Strength Between Two Charges
- rnjscksdyd
- · Replies 11 ·
What is the torque exerted by the malfunctioning thruster on the Jupiter 6?
- Zyrn
- · Replies 2 ·
Locus of all points due to a charge
- tempneff
- · Replies 3 ·
Force Body Diagram - Running: 115 lbs Weight
- jackiemendez
- · Replies 4 ·