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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Cyclotron, why do they not use electric fields?
- gillgill
- · Replies 4 ·
Min/Max angle of a force applied to stationary mass.
- pirland
- · Replies 4 ·
Calculate the speed of the block
- gunnar
- · Replies 6 ·
Even Order Groups: Counting Elements of Order 2
- SqrachMasda
- · Replies 2 ·
Rotational inertia of two particles and rods rotating about axis O
- Zlex
- · Replies 2 ·
Related rates problem with Ohm's law V=IR
- kreil
- · Replies 4 ·
Finding airplane weight from airspeed and wing area
- SnowOwl18
- · Replies 6 ·
Testing if a piecewise function is even or odd
- TSN79
- · Replies 5 ·
Wall of Death motorcycle stunt and electron motion in crossed fields
- saltrock
- · Replies 5 ·
Question regarding effective resistance
- Sanosuke Sagara
- · Replies 2 ·
How to Demonstrate Hooke's Law with a Spring and Weights
- ramat
- · Replies 5 ·
Classical Mechanics- something bothering me
- Palindrom
- · Replies 2 ·
How to determine if a function is odd or even
- UrbanXrisis
- · Replies 10 ·
Why rolling is less than kinetic
- prasanna
- · Replies 3 ·
Example where lim(Xn + Yn) exists but doesn't equal lim Xn + lim Yn
- Trigger
- · Replies 4 ·
Independence of friction and area of contact
- prasanna
- · Replies 3 ·
Formulas I have learned in my pre-AP physics class
- TriumphDog1
- · Replies 7 ·
Why are my sound absorption measurements erratic and oscillating?
- Cyan
- · Replies 1 ·
Probability of drawing a second white ball without replacement
- ms. confused
- · Replies 6 ·
Indicate the regions of the plane
- A_I_
- · Replies 4 ·
What Are the Subgroups and Normal Subgroups of D4?
- Trigger
- · Replies 2 ·
Find Spring Constant (k) in Mass Spring System
- lab04
- · Replies 2 ·
Rotation with constant acceleration
- gunnar
- · Replies 2 ·
Block on Spring without Friction
- Mivz18
- · Replies 2 ·
Potentional energy is work done by gravity?
- primarygun
- · Replies 12 ·
Solving 25^x - 30(5^x) + 125 = 0 with common base
- aisha
- · Replies 8 ·
Solve Particle in a Box Questions: Lowest Energy & Probability
- Physicsiscool
- · Replies 4 ·
Curl and Divergence (flux, and what not)
- dink
- · Replies 3 ·
What is the equation for the tangent line in parametric equations?
- ziddy83
- · Replies 5 ·
Calculating rotational inertia of a sphere
- Silimay
- · Replies 3 ·
Who Can Crack the R-L-C Circuit Challenge?
- Moore65
- · Replies 2 ·
Collision between Oldsmobile and Truck: Velocity and Heading Calculation
- Jameson
- · Replies 3 ·
Solving 5^(log₃(3x) – log₃(2)) = 125 for x
- punjabi_monster
- · Replies 10 ·
How to Calculate Magnetic Flux with a Long Wire and Rotated Plane
- hd28cw
- · Replies 3 ·
How Do You Solve Related Rates Problems in Calculus?
- p4nda
- · Replies 4 ·
Period of Simple Harmonic Motion: Amplitude Independence
- physicsss
- · Replies 2 ·
What is the velocity and direction of the wreckage after the collision?
- Jameson
- · Replies 4 ·
Is Your Solution to These Rotational Mechanics Problems Correct?
- barnsworth
- · Replies 1 ·
Solving 2/5 = 5/8n - 4 by clearing fractions
- trae160
- · Replies 2 ·
Static Equilibrium and a uniform rod
- BillytheKid
- · Replies 2 ·
Kinematics (Don't know what I did wrong )
- BlasterV
- · Replies 2 ·
Calculating Beam Deflection and Failure Load for Plywood Beam Design
- sol_angel187
- · Replies 3 ·
Does the Probability Density \( P(r) \) Depend on Time for a Given Wavefunction?
- JamesJames
- · Replies 16 ·
Finding Tension Of A Spring In Waves
- GingerBread27
- · Replies 1 ·
Calculating Work Done on a 50kg Crate by 100N Force
- Drey0287
- · Replies 3 ·
I dont understand where i went wrong
- agirlsrepublic
- · Replies 5 ·
How to solve (3√27)^(3x-1) = 9^(x+3) for x
- aisha
- · Replies 6 ·
Find Your Center of Mass Solution: How Far Can You Move on a Floating Board?
- Twigs
- · Replies 2 ·
Finding balloon volume from lift using Archimedes' principle
- Haftred
- · Replies 2 ·
Relationship between static, kinetic, and rolling friction coefficients
- JWest
- · Replies 3 ·
What Is the Mass of a Block Pulled with a Force at an Angle?
- scan
- · Replies 2 ·
Why Is the Force Acting on the Object -3k When x=0?
- UrbanXrisis
- · Replies 5 ·
3^2x=5(3^x)+36 whats the exact value of x?
- aisha
- · Replies 7 ·
Why does 3^(x²+20)=(1/27)^(3x) give negative solutions?
- aisha
- · Replies 7 ·
Calculating Object Density with Formulae
- Haftred
- · Replies 5 ·
Projectile motion, circular motion, and pendulum problems
- Beowulf
- · Replies 8 ·
Why is a sphere the most space-efficient shape for enclosing volume?
- roger
- · Replies 9 ·
Calculating Period of Oscillations - Graph with x and t Coordinates
- Soaring Crane
- · Replies 3 ·
Electric Circuit, drawing question
- NYROCKFAN
- · Replies 5 ·
Strength/weight ratio question
- faust9
- · Replies 3 ·
How do we locate the principal axis?
- JimmyRay
- · Replies 3 ·
Did Jack Burn His Feet Jumping Over the Candlestick?
- manjuj
- · Replies 2 ·
Greatest tension in vine during Tarzan's swing
- Darienesque
- · Replies 2 ·
What does a head on collision imply?
- stunner5000pt
- · Replies 2 ·
Solving the Sonic Boom Problem: Mach 1.60
- Mikey
- · Replies 2 ·
Calculating Mean Lifetime and Revolutions in Excited State of Hydrogen Atom
- stunner5000pt
- · Replies 2 ·
Is Y=23x+18 the Correct Equation for the Tangent Line at X=2?
- chjopl
- · Replies 6 ·
Mechanics Problem: Cart Velocity with Leaking Sand and Inclined Plane"
- Trigger
- · Replies 2 ·
Solving 2^x=7·5^x with logarithms
- chjopl
- · Replies 3 ·
Interference pattern with glass plate in front of one slit
- Jack16
- · Replies 2 ·
Conservation of Energy Problem-I think
- bbbbbev
- · Replies 2 ·
What happens when the discriminant is negative in the quadratic formula?
- CinderBlockFist
- · Replies 5 ·
Work Theory Question: Is a Woman Swimming Upstream Doing Work?
- DLxX
- · Replies 2 ·
Contour Integral with just straight lines?
- hd28cw
- · Replies 2 ·
Paper Bumpers for Collision Reduction
- albert611
- · Replies 2 ·
How Fast Must a Golf Ball Travel to Avoid Windmill Blades?
- Crazedkid
- · Replies 3 ·
How Fast Must a Golf Ball Travel to Avoid a Rotating Windmill Blade?
- Crazedkid
- · Replies 4 ·
Water wave diffraction through two slits
- Jack16
- · Replies 2 ·
Electron accelerated by potential difference
- gillgill
- · Replies 3 ·
How Does Bernoulli's Equation Apply to Wind Over a House Roof?
- khai06
- · Replies 2 ·
How do I solve the limit of tan^2(2x) / 3x^2 as x approaches 0?
- theCandyman
- · Replies 3 ·
Electrostatic force between two charged water drops
- Lorax
- · Replies 8 ·
Work done by tension on a rock twirled in a circle
- UrbanXrisis
- · Replies 7 ·
How do I find the velocity that an electron must acquire
- irony of truth
- · Replies 4 ·
How Does the Right Hand Rule Determine Magnetic Force Directions?
- agirlsrepublic
- · Replies 2 ·
What is the velocity of a ball on a frictionless curved track?
- boxcarracer767
- · Replies 4 ·
Solving 9^(x^2+1)=(27)^x(3)^(2x) by converting to base 3
- aisha
- · Replies 7 ·
How do I express the square root of 2 as a power of 2?
- aisha
- · Replies 14 ·
ARGH this is giving me a headache
- schattenjaeger
- · Replies 2 ·
Solving Two Physics Problems: Weighing Rocks and Steel Barbells
- SnowOwl18
- · Replies 3 ·
What is the angular momentum of the moon orbiting an Earth-like planet?
- NX805
- · Replies 2 ·
Finding temperature, internal energy, and pressure change for heated monatomic gas
- BlackMamba
- · Replies 2 ·
Thermodynamics self-assessment quiz on heat, energy and thermal transport
- PhysicsNovice
- · Replies 6 ·
Don't understand by the arrangement of the capacitors in the diagram.
- Sanosuke Sagara
- · Replies 6 ·
Calculating Induced EMF in a Conducting Loop with Changing Magnetic Field
- Moore65
- · Replies 2 ·
Sound wave questinos my tutor couldnt even figure out
- HobieDude16
- · Replies 4 ·
What angle maximizes the weight of sand pulled by a cable with 1100 N tension limit?
- king_naeem
- · Replies 5 ·