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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Voltage drop across voltage divider
- Frankrules
- · Replies 8 ·
Calculate the rms speed of one nitrogen molecule at 27 Celcius
- KUphysstudent
- · Replies 16 ·
Velocity after collision and Kinetic Energy.
- Meezus
- · Replies 11 ·
Calculating Take-Off Velocity for High Jumper Kwaku Boateng
- x2017
- · Replies 2 ·
How much work is done by the Adiabatic Compression of Diatomic Gasses
- grandpa2390
- · Replies 18 ·
How is longitudinal wave spread
- zade70
- · Replies 6 ·
Which ball travels further, up a ramp or thrown in the air
- Alexstrasza
- · Replies 11 ·
Cube-Rod Pendulum: Solving Homework Statement & Equations
- lilphy
- · Replies 15 ·
Hall effect: electron velocity, forces, and Hall voltage
- PhyBoy
- · Replies 3 ·
Archived Oscillator circuit. completely lost.
- raindrops
- · Replies 1 ·
Question involving 2 pulleys and 2 masses.
- putongren
- · Replies 1 ·
Steady State Flow out of a Tank Through a Vertical Pipe
- kartmaze
- · Replies 8 ·
Doppler effect train frequency question
- Yoruichi
- · Replies 4 ·
Two-car collision with perpendicular velocities
- aimen khattakk
- · Replies 13 ·
Archived Four lowest vibrational states of these ions
- albertsmith
- · Replies 1 ·
What is the volume of the gas after adiabatic compression
- grandpa2390
- · Replies 2 ·
What is the Acceleration and Momentum of a Vehicle with Given Forces and Mass?
- Meezus
- · Replies 7 ·
Calculating Heat Transfer in a Two-Reservoir System: A Simple Problem
- limper
- · Replies 5 ·
Calculate the average resultant force required to accelerate the ball.
- Meezus
- · Replies 4 ·
Cylindrical symmetry, Gauss's Law
- mawgs
- · Replies 7 ·
Basic force with static friction problem
- Ering
- · Replies 1 ·
Yes, the derivative of log(x) is 1/x.
- TheBoro76
- · Replies 1 ·
How Much Power Does a Light Bulb Use in a Series Circuit?
- Yoruichi
- · Replies 17 ·
Torque: Why does tension = Friction
- anirzehc
- · Replies 1 ·
How do the magnetic fields of a magnet and a wire interact?
- LotusTK
- · Replies 3 ·
Magnitude of charge on parallel plates
- Melssssss
- · Replies 20 ·
Center of mass and momentum in boat question
- 4PH20
- · Replies 8 ·
How Many Photons Are in Each Bit of a 10 Gb/s Optical Signal?
- nmsurobert
- · Replies 7 ·
How to Determine Acceleration from Distance in Constant Acceleration Problems
- kylenic1997
- · Replies 6 ·
Electric field and force on a negative charge with sign reversal
- krbs
- · Replies 4 ·
Basic particle accelerator - escape speed (grade 12)
- krbs
- · Replies 2 ·
How Does Circular Polarization Arise in String Wave Motion?
- cpburris
- · Replies 3 ·
Proving Uniform Magnetic Field with Saddle Coils
- Dewgale
- · Replies 12 ·
Solve Kinematics Problem: y = y0 + Vot + 1/2gt²
- James_22
- · Replies 3 ·
Equation for upward motion of the particle with air drag
- usha
- · Replies 11 ·
Path difference in an interference device
- kent davidge
- · Replies 11 ·
A 55.0 kg pole vaulter running at 9.0 m/s vaults over the bar
- GalacticSnipes
- · Replies 26 ·
Thermal expansion of a rod with variable alpha
- Titan97
- · Replies 11 ·
Calculation of force due to electric dipole
- Umrao
- · Replies 6 ·
Archived Time constant and max charge with capacitor parallel to R2
- ryeager
- · Replies 7 ·
Finding Q factor for damped harmonic motion without ω₀
- RJLiberator
- · Replies 11 ·
Specific Heat Question: Calculating Temperature Change with Copper and Water
- Yoruichi
- · Replies 2 ·
Pressure Cooker Internal Energy Problem
- sharpnova
- · Replies 2 ·
Solving for Vo: Graph Analysis of Vs vs t
- Marcin H
- · Replies 1 ·
What Is the Maximum Forward Force Before Car Wheels Spin?
- kokodile
- · Replies 1 ·
Find an expression for the capacitor voltage
- neilson18
- · Replies 1 ·
Charged ball in uniform field between parallel plates
- krbs
- · Replies 4 ·
Find angle with given distance and height
- brycenrg
- · Replies 2 ·
What is the potential energy of this group of charges?
- neilson18
- · Replies 2 ·
Maximum height water can be projected onto a wall
- tycoon515
- · Replies 3 ·
Electric potential and magnitude
- blee22
- · Replies 4 ·
Does doubling the mass increase frequency by √2?
- Ethan Godden
- · Replies 6 ·
Understanding Minimum Path Difference for Waves Below the Centerline
- kent davidge
- · Replies 7 ·
Calculating Density of Wood: 5cm x 3cm x 10cm @ 90g
- brake4country
- · Replies 5 ·
Do bypass capacitors filter AC ripples by shorting to ground?
- Harrison G
- · Replies 6 ·
What is the displacement of a particle in a constant electric field?
- Melssssss
- · Replies 9 ·
Why Does My Displacement Calculation Exceed the Sprint Distance?
- Balsam
- · Replies 11 ·
What is the thermal energy transfer during stage CA?
- Aldnoahz
- · Replies 4 ·
Potential energy in solids,liquids and gases
- Janiceleong26
- · Replies 4 ·
Finding future x position with changing velocity
- heartshapedbox
- · Replies 5 ·
Electron density as a function of time
- Imagin_e
- · Replies 1 ·
What is the power of an elevator?
- CGI
- · Replies 22 ·
Finding voltage across resistors in an RL circuit
- Marcin H
- · Replies 9 ·
Finding Velocity with Varying Force and Friction
- CGI
- · Replies 2 ·
Current Division: Find Load Resistor Current for 4 Resistors
- Marcin H
- · Replies 5 ·
Acceleration vectors for rolling wheel at points A, B, C, O
- Joa Boaz
- · Replies 5 ·
Pressure Variance, Displacement, and a Soft Drink Bottle
- Ethan Godden
- · Replies 11 ·
How Do You Calculate the Second Mass in an Atwood Machine Problem?
- Kamisama
- · Replies 17 ·
Geocentric vs heliocentric model evidence
- Puchinita5
- · Replies 3 ·
Graph of Elevator's Velocity: Understanding Displacement and Distance Traveled
- reminiscent
- · Replies 4 ·
What is the resultant of the vector from this impact?
- j doe
- · Replies 5 ·
How to find mass in an Atwood machine
- iyanna
- · Replies 5 ·
Why does the conical pendulum have two solutions for large angular frequency?
- Cosmophile
- · Replies 3 ·
Velocity of a point charge from work done
- Jake 7174
- · Replies 23 ·
What Causes a Ball to Roll Off a Hemisphere?
- Andy123
- · Replies 4 ·
Electric Field between Three Plastic Sheets
- CARNiVORE
- · Replies 10 ·
Work done by moving a point charge
- Jake 7174
- · Replies 7 ·
Impact of container on final temperature of system
- sharpnova
- · Replies 8 ·
How Do Temperatures Equalize in a Partially Adiabatic Cylindrical Gas System?
- Gianmarco
- · Replies 3 ·
Find magentic field intensity.
- Julian102
- · Replies 3 ·
Uniform circular motion - finding velocity
- reminiscent
- · Replies 9 ·
Minimum wavelength of electrons ejected from metal
- auleiia
- · Replies 1 ·
Circular Motion and Energy Calculations
- kelvin56484984
- · Replies 11 ·
Finding Velocity at which mass being spun on string will bre
- Nikki1357
- · Replies 4 ·
Deriving d(γmu) for relativistic kinetic energy
- RedDelicious
- · Replies 2 ·
Torque/Moment of a bent wrench question
- NewProgramma
- · Replies 4 ·
Potential Difference between Two Points affected by a Dipole
- Oribe Yasuna
- · Replies 6 ·
Force/magnitude/acceleration scenario
- paperboy221
- · Replies 3 ·
Net Charge within a Gaussian Cube
- CARNiVORE
- · Replies 22 ·
Does Throwing an Anchor Overboard Change the Pond's Water Level?
- Ethan Godden
- · Replies 3 ·
De Broglie Wavelength/Electron momentum
- DiamondV
- · Replies 5 ·
Taking the derivative of position to get velocity
- heartshapedbox
- · Replies 12 ·
Voltage Difference Along a Path
- Jake 7174
- · Replies 5 ·
Electric charge and force question
- MRoach
- · Replies 1 ·
What Happens to the Buoyant Force on a Beach Ball When Submerged?
- Ethan Godden
- · Replies 4 ·
Does Water Depth Affect the Force Needed to Hold an Apple Submerged?
- Ethan Godden
- · Replies 4 ·
Determining the magnitude of the resultant couple
- Pascal1p
- · Replies 2 ·
Plane ride relative motion problem
- clydefrog
- · Replies 3 ·
Work done by a uniform Ring of Charge (due tomorrow
- Melo out
- · Replies 3 ·
Object Acceleration with Vertical Forces: Rising or Descending?
- paperboy221
- · Replies 9 ·