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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Acceleration as a function of RPMs using power and work
- whozum
- · Replies 44 ·
What is the average density of the duck floating on a lake?
- heather32283
- · Replies 9 ·
Stokes' theorem over a circular path
- Reshma
- · Replies 2 ·
How Does Changing Mass, Length, or Gravity Affect a Pendulum's Period?
- confused1
- · Replies 3 ·
AP Physics B Multiple Choice Newtonian (1 prob)
- ChickenChakuro
- · Replies 10 ·
Simple harmonic motion pinball problem
- heather32283
- · Replies 20 ·
Calculating Normal Force for Student on Ferris Wheel
- Naeem
- · Replies 4 ·
Speed of a particle that can pass through plates
- Gmaximus
- · Replies 2 ·
Group Action on GL(2,R) by Conjugation: Orbit and Isotropy Group of a Matrix
- Oxymoron
- · Replies 3 ·
Charged balls suspended by strings in electric field
- Kadaj
- · Replies 3 ·
Solve Indeterminate Forms with Binomial Expansion
- RadiationX
- · Replies 6 ·
Pendulum involving conservative energy
- insertnamehere
- · Replies 2 ·
(Projectile Motion)How to derive the equation?
- herfox
- · Replies 8 ·
Hockey puck sliding down a ramp: kinetic friction lab
- [imagine]
- · Replies 2 ·
Magnetic field strength and direction from force on a current-carrying wire
- laker88116
- · Replies 8 ·
Formula for potential energy store din a strained solid?
- ninjagowoowoo
- · Replies 2 ·
How does Fortinbras regard Hamlet and what final rites does he order?
- student101
- · Replies 4 ·
Should I use alpha or alpha/2 in two-sided hypothesis tests?
- semidevil
- · Replies 2 ·
Magnetic linear Accelerator + Newton's Balls
- mgiddy911
- · Replies 8 ·
Decreasing Function: Understanding Why g is Decreasing at x=2 and x=-2
- UrbanXrisis
- · Replies 4 ·
Determine when y = x^2 + bx + 17 has horizontal tangent
- gillgill
- · Replies 5 ·
Order of magnitude of the magnetic force
- Nimmy
- · Replies 2 ·
What is the solution to the Atwood machine problem with given variables?
- U154756
- · Replies 2 ·
Got a question with substitution?
- MRAI
- · Replies 5 ·
Calculating Energy Waste of Making 4 Coffee Cups/Day
- suf7
- · Replies 11 ·
Stability of a given structure composed of three rods and a string
- JohanL
- · Replies 12 ·
Difficulty with Parallel Batteries
- Veniogenesis
- · Replies 2 ·
Magnetic flux density and Hall probe
- briton
- · Replies 2 ·
Is \( e^{i\theta} \) an Eigenfunction of the Given Operators?
- QuantumMech
- · Replies 2 ·
What happens if a add the following acids
- joejo
- · Replies 8 ·
Simple Harmonic motion problems
- ness9660
- · Replies 2 ·
Simple Harmonic Motion and free-fall accelerations
- imnotsmart
- · Replies 4 ·
Building an egg lander that survives 4-foot drops on any surface
- JuJu5511
- · Replies 9 ·
Does this limit exist lim e^(r^2)/(cos(t)sin(t)) for (r,t)->(0,0)
- stunner5000pt
- · Replies 2 ·
Gravitational Potential and Total Energy
- cde42003
- · Replies 6 ·
Why is the cross product a × b negative?
- tony873004
- · Replies 3 ·
What Is the Planck Radiation Formula for Wavelength?
- elessar_telkontar
- · Replies 2 ·
How Do You Calculate Torque in a Fishing Pole Scenario?
- APool555
- · Replies 2 ·
Capacitor and Variable resistor
- coldturkey
- · Replies 5 ·
Resistance of a wire coursework
- sueanne
- · Replies 2 ·
Is the Sum of Solutions of Linear Differential Equations Also a Solution?
- Naeem
- · Replies 3 ·
Is the Relationship Between Voltage and Electromagnet Strength Exponential?
- itsbeenpickedup
- · Replies 1 ·
Implicit Differentiation: Understanding Higher Order Derivatives
- krusty the clown
- · Replies 5 ·
How does beakman's electric motor work?
- chase222
- · Replies 2 ·
Show Two Positions of Converging Lens for Sharp Image Formation
- leolaw
- · Replies 8 ·
Calculating Moment of Inertia for Compound Pendulum
- sanitykey
- · Replies 3 ·
Divergence theorem on Octant of a sphere
- Reshma
- · Replies 9 ·
Cross Section for Asteroid Impact on Earth
- phazei
- · Replies 7 ·
Calculate the directrix of (y-7)^2 = 8(x-6)
- ProBasket
- · Replies 2 ·
Tsunami amplitude change question
- primarygun
- · Replies 3 ·
Calculus - taking the limit type questions
- laker_gurl3
- · Replies 15 ·
Kinetic Energy and Momentum in Air Track Puck Collision
- twiztidmxcn
- · Replies 4 ·
Greens' Theorem (finding area) -
- FrogPad
- · Replies 3 ·
Improve Your Related Rates Skills: Practice Questions for Success
- laker_gurl3
- · Replies 2 ·
Need to research an interesting topic for my tutor.
- KC6794
- · Replies 5 ·
Is it safer in a car crash to have a bigger or smaller impulse?
- RadiationX
- · Replies 4 ·
My profesor gave us this (I think) impossible problem to do.
- thrillhouse
- · Replies 13 ·
Optics - Glass lenses in other mediums
- kusal
- · Replies 3 ·
How Can I Prove p*q = 0.25 Given p + q = 1?
- Error 404
- · Replies 15 ·
Calculating Force of Friction on a Sliding Block on a Ramp
- poikonen03
- · Replies 2 ·
Is there a site to do conversions of measurements
- zy
- · Replies 7 ·
Ball dropped 90 m with energy loss at collisions and speed-time graph problems
- Fiona
- · Replies 8 ·
Energy Question [The Millennium Force]
- IntellectIsStrength
- · Replies 2 ·
Calculating the Kinetic Energy and De Broglie Wavelength of an Ejected Electron
- thursdaytbs
- · Replies 2 ·
Why Does Charge Q Not Appear in the Equilibrium Equation for Helium Balloons?
- shaiqbashir
- · Replies 2 ·
Solving Torque Equation: Door with Mass 20kg, 2 Hinges
- BI
- · Replies 2 ·
Finding bucket speed from 118W power output
- alisa7217
- · Replies 11 ·
Is the Maclaurin series for sin(2x) the same as the one for sin(x)?
- tandoorichicken
- · Replies 2 ·
Calculate Average Energy Use/Month
- NickCherryJiggz
- · Replies 3 ·
What is the total acoustical power output of the siren?
- Jayhawk1
- · Replies 4 ·
Molar mass of butane from experimental data at given conditions and STP
- rocketboy
- · Replies 4 ·
Which halflife formula is correct?
- huan.conchito
- · Replies 2 ·
With what speed does the stone leave the slingshot?
- imdumb
- · Replies 5 ·
Differentiating y = x(x-1)^1/2
- aek
- · Replies 30 ·
Calculating Moment of Inertia of a Cuboid about the Z-Axis
- Nylex
- · Replies 2 ·
Maximum compression of spring from dropped block
- gokugreene
- · Replies 3 ·
Formula for combined spring constant.
- nerfed
- · Replies 4 ·
How Do I Solve These Physics Problems on Center of Mass and Momentum?
- lonelygirl
- · Replies 9 ·
Solving Math Ratio Questions: Find the Answer (Option B)
- fork
- · Replies 5 ·
Air-track glider amplitude and position calculation
- oldunion
- · Replies 4 ·
Angular Velocity of Merry-go-round
- U154756
- · Replies 6 ·
Proportionality of T to R, m1 and m2
- bayan
- · Replies 3 ·
What is the torque exerted on the disk by the two applied forces?
- cavery4
- · Replies 3 ·
How Does Heavy Hydrogen Affect the Wavelength of the Balmer Series?
- pi-r8
- · Replies 3 ·
Calculate Pressure Underwater for a 1cm3 Air Bubble at 291m
- vworange
- · Replies 4 ·
Calculating Net Torque on a Circle with Multiple Forces
- physicsCU
- · Replies 9 ·
What is the wavelength of the satellite signal?
- lektor
- · Replies 9 ·
How Does Light Behave When Passing Through Multiple Lenses?
- leolaw
- · Replies 10 ·
Ray diagram for 1-cm arrow 2 cm from 7-cm focal-length lens
- GingerBread27
- · Replies 4 ·
Bounds of g(t) = 2sin(t) + cos(2t) and complex equation solutions
- Danielll
- · Replies 2 ·
Ft = m*a = 3 kg * (9.81*26/1.5) = 441.13 N
- Naeem
- · Replies 2 ·
When did Einstein move to America?
- smeagol72087
- · Replies 2 ·
Help with 4 torque questions from a lab
- laker_gurl3
- · Replies 28 ·
Converting hydrated manganese nitrate and calcium acetate
- ~angel~
- · Replies 4 ·
Does circular motion affect different points on a car's wheels differently?
- SemperFiKandJ
- · Replies 14 ·
How Is the Period of a Pendulum Affected by Inertia and Center of Mass?
- stunner5000pt
- · Replies 10 ·
Calculating Interference Pattern Intensity for Double-Slit Experiment
- Honda47
- · Replies 3 ·
Mirror formula problems with concave and convex mirrors
- Kdawg
- · Replies 2 ·
How Does Changing Magnetic Flux Induce EMF?
- Femme06Fatale
- · Replies 2 ·