Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Differential of X [ dX = U/V dV + U/p dp ] Internal Energy?
- says
- · Replies 7 ·
What Is the Range of Magnetic Field Values Inside a Toroid?
- Angie K.
- · Replies 3 ·
How Does the Galileoscope's Optical Design Affect Its Viewing Capabilities?
- Kate16
- · Replies 1 ·
Physics problem on force of a charge
- Joshua Beyer
- · Replies 2 ·
Calculating Relative Velocity for Approaching Boats
- ozbii
- · Replies 3 ·
Energy involving satellite of the Earth
- Glenboro
- · Replies 21 ·
Solving A problem using kinematics and Energy
- lion_
- · Replies 4 ·
Finding resultant at each pair of forces
- ssb1
- · Replies 1 ·
Do weight and normal contact force always have equal and opposite effects?
- hussianm
- · Replies 5 ·
Potential in parallel plate system from charge density?
- smileandbehappy
- · Replies 8 ·
Calculate Fb Reaction at Point A for 30° Triangle
- fysik
- · Replies 22 ·
Magnetic Suspension: Calculating I2
- Angie K.
- · Replies 5 ·
How Do You Calculate Error in Density for a Cylinder?
- subopolois
- · Replies 2 ·
Calculating Power without distance?
- Ash Powers
- · Replies 3 ·
The Change in Elastic Potential Energy with Different Spring Stretches
- lion_
- · Replies 3 ·
Approximating Magnetic Field for Spinning Disk with Large Distance from Center
- hitemup
- · Replies 4 ·
What are the variables that affect the pressure of a gas in a capillary tube?
- AdityaDev
- · Replies 3 ·
Calculate the change in the loader’s kinetic energy
- jgray
- · Replies 9 ·
What is the instantaneous velocity of an object moving uniformly in circles?
- Bechensten
- · Replies 9 ·
Magnetic field of Earth's dipole 13,000 km above the North Pole
- hitemup
- · Replies 3 ·
Microscope magnification using Ray Optics
- sam400
- · Replies 1 ·
What is the Induced EMF and Current in a Changing Magnetic Field?
- skarner
- · Replies 1 ·
Angular Simple Harmonic Motion
- LucasCammarata
- · Replies 1 ·
Vector addition for aircraft heading after three legs
- tcco94
- · Replies 5 ·
Kinda silly, but what's the sign of v?
- 0kelvin
- · Replies 3 ·
Incredibly basic Coulomb's law question - am I being silly?
- smileandbehappy
- · Replies 5 ·
Finding the horizontal range without initial velocity
- daniel1991
- · Replies 2 ·
Lagrangian: Bead on a rotating hoop with mass
- raggle
- · Replies 3 ·
Maximum Positron Energy in Proton Fusion and Beta + Decay
- Matt atkinson
- · Replies 11 ·
Are Energy Changes in Chemical Reactions Similar to Those in Radioactivity?
- Bluepie97
- · Replies 2 ·
What Causes Radioactive Materials and How Are Atoms Affected?
- Bluepie97
- · Replies 1 ·
Falling mass attached to wheel
- axe34
- · Replies 6 ·
Hall Effect Probe for Measuring Magnetic Field Strength
- Angie K.
- · Replies 1 ·
What Eyepiece Focal Length Achieves a 350x Magnification in a Microscope?
- agenttiny200
- · Replies 4 ·
Resistance of copper wire after drawing and heating
- DevonZA
- · Replies 5 ·
Force on a Magnet in Lenz's Law
- friendbobbiny
- · Replies 31 ·
Showing a strange wavefunction satisfies the TDSE.
- Robsta
- · Replies 3 ·
Simple Harmonic Motion Question (Springs)
- LucasCammarata
- · Replies 1 ·
Amount of energy needed to melt a solid
- SelenaT
- · Replies 2 ·
How do I go from an Electric Field graph to Charge Density?
- Aristotle
- · Replies 5 ·
Finding Electric Potential Difference in a TV Tube
- julianwitkowski
- · Replies 19 ·
Hypothesizing the KE lost in a number of collisons
- PhysicsPhanatic
- · Replies 9 ·
Velocity on a moving reference frame
- Calpalned
- · Replies 2 ·
Why Kirchhoff's loop rule gives wrong current ratio in circuit
- srmico
- · Replies 2 ·
Find speed using distance and acceleration?
- bear_neals
- · Replies 1 ·
How do you reduce uncertainty when measuring density?
- jack edison
- · Replies 5 ·
Finding which wheel has the least rotational rate with belt drive systems
- Confused101
- · Replies 19 ·
Homework Equations: Solving for Voltage
- toothpaste666
- · Replies 16 ·
Why resolve weight on an incline rather than resolve the reaction force
- FaroukYasser
- · Replies 6 ·
Measure with Accuracy: Using Vernier Caliper
- jack edison
- · Replies 2 ·
Springs experiment, with a graph of length against mass
- jack edison
- · Replies 3 ·
Determine the total current in the attached diagram
- DevonZA
- · Replies 6 ·
Michelson Interferometer (Zero Path Difference)
- says
- · Replies 1 ·
Sources of error in measuring copper resistivity experiment
- Philip.plsHelp
- · Replies 8 ·
How does corrosion affect the resistivity of copper wire?
- Philip.plsHelp
- · Replies 6 ·
Max Accel for Pressure in Heart to Reach Brain
- aopaop03
- · Replies 2 ·
Which spring compresses more, block down ramp or dropped vertically?
- phzzo
- · Replies 1 ·
How Do You Calculate Convective Heat Flow in a Cubical Pot of Water?
- ddrtrinity
- · Replies 2 ·
Electromagnetic Induction - Concentric Circles
- PhysixChick
- · Replies 5 ·
Density of a liquid in a horizontal pipe
- Joe Cruz
- · Replies 1 ·
What Is the Temperature of Water in Kettle 1?
- ande
- · Replies 7 ·
RC circuit response when charged capacitor is added to circuit
- erisedk
- · Replies 4 ·
Intensities at different distances
- Ethan_Tab
- · Replies 3 ·
Amplitude of velocity (Travelling wave)
- Alex_Neof
- · Replies 2 ·
Calculating Force Constant for a Harmonic Oscillator: Units and Conversions
- Lamebert
- · Replies 8 ·
What is the Velocity of a Starship Traveling at 5c in Star Wars?
- Abrahamlure
- · Replies 16 ·
Oscillations concerning a pendulum
- Alex_Neof
- · Replies 14 ·
Will the ball clear the net? - Projectiles question
- LotusTK
- · Replies 2 ·
What is the Effective Capacitance Across A and B in This Network?
- Suraj M
- · Replies 2 ·
Total time wagon needs to fully pass the hopper
- freutel
- · Replies 6 ·
Conclusion for seeing the infinitely small
- jimmypantspants
- · Replies 2 ·
Square metal frame dropped into magnetic field: finding speed and field strength
- monkeymind
- · Replies 16 ·
Determine how long it takes to cover both sides of the plate
- DevonZA
- · Replies 13 ·
Work done pulling a swing to angle φ with the vertical
- toesockshoe
- · Replies 26 ·
Sound Intensity on a Field (no interference)
- Ethan_Tab
- · Replies 2 ·
Magnetic Levitation magnitude of current
- GoldWing
- · Replies 8 ·
Find average velocity of a sphere which expands and moves
- Quarlep
- · Replies 101 ·
How High Will the Ball Bearing Rise When Released from a Compressed Spring?
- Glenboro
- · Replies 5 ·
Equations for average and maximum velocity
- subopolois
- · Replies 1 ·
Find the time it takes for bouncing ball to come to rest
- freutel
- · Replies 6 ·
Entropy change as water is frozen
- spiruel
- · Replies 2 ·
Angular frequency of rod-disk system when disk rotates freely
- sankalpmittal
- · Replies 10 ·
Pressure and force in a cylinder
- R2311
- · Replies 11 ·
Acceleration of stone caught in tire tread
- friendbobbiny
- · Replies 12 ·
Can a Helium-Filled Weather Balloon Accelerate Upwards Faster Than Gravity?
- aopaop03
- · Replies 2 ·
Circuit Components-Variable resistors
- wei1006
- · Replies 1 ·
Stone thrown horizontally off cliff: find height and impact angle
- moenste
- · Replies 5 ·
Glycerine in expanding aluminum cylinder at different temperatures
- MMONISM
- · Replies 9 ·
Projectile Motion of a Cannonball: Calculating Velocity, Height, Time, and Range
- Glenboro
- · Replies 5 ·
Orbit of Geostationary Satellites
- Bucho
- · Replies 6 ·
Orientation of Image Produced by Double Convex Lens
- LNH
- · Replies 1 ·
Doppler Effect/Projectile Motion
- Fdsaghjkl
- · Replies 1 ·
Equivalence principle - light beam through a rocket
- Bohr1227
- · Replies 1 ·
Finding the frequency of small oscillations given potential energy U
- spacetimedude
- · Replies 4 ·
Gravitational force between objects
- SteveS
- · Replies 11 ·
Calculating Velocity in Two Dimensions: A Real-Life Swimming Challenge
- Mary1910
- · Replies 1 ·
Bernoulli, Fluid Dynamics, and ships
- ManicPIxie
- · Replies 5 ·
How Does a Thin Film Alter the Optical Path Length?
- says
- · Replies 15 ·
Taking the average of a formula
- SU403RUNFAST
- · Replies 4 ·
Molar heat capacity for diatomic gas through two-step heating process
- shrutiphysics
- · Replies 8 ·