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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Yo-yo problem - rotational motion
- Physics197
- · Replies 4 ·
Pressure increases as density increases.
- Physics197
- · Replies 3 ·
Determine the magnitude of the torque
- deltas
- · Replies 4 ·
What has a greater acceleration?
- George16
- · Replies 4 ·
Limitation to resolution of microscope
- Idrees
- · Replies 1 ·
Calculating Gravitational Potential Energy for a Spoon on a Table
- Kiko:)
- · Replies 10 ·
Resistance between ends of a quarter-ring conductor
- mmiguel1
- · Replies 2 ·
Can energy conservation constrain physical quantities?
- snnmbr
- · Replies 2 ·
Car accelerating down a 20° slope with friction using work-energy theorem
- Porcelain
- · Replies 3 ·
Where electrical potential is zeo
- jayjam10
- · Replies 5 ·
Strategy for solving mechanics problems on an exam
- Charanjit
- · Replies 2 ·
I with this electricty problem
- psilovethomas
- · Replies 6 ·
Deriving Formula: f2 Frequency of Moving Object
- The Tutor
- · Replies 3 ·
Calculating Acceleration and Net Force of a Moving Block | Homework Question
- physicshard22
- · Replies 1 ·
Relative Velocity: Solving Boat Race Circuits
- CloudKel
- · Replies 1 ·
What Temperature is Needed for Hydrogen Gas to Produce a 656.2nm Emission Line?
- indie452
- · Replies 4 ·
Calculating Activity of Iodine 123 After 24 Days
- JDiorio
- · Replies 7 ·
Rotation of a magnetic computer disk
- ada15
- · Replies 8 ·
Finding constant angular acceleration from rotation and final velocity
- rambo5330
- · Replies 6 ·
Moment of I, Angular momentum, K
- joemama69
- · Replies 2 ·
How Does Friction Affect Particle Motion in Circular Dynamics?
- joemama69
- · Replies 3 ·
Moment of inertia and Kinetic Energy (Rotational Motion)
- miamirulz29
- · Replies 6 ·
What is the moment of inertia of Earth about its center?
- discordplus
- · Replies 2 ·
Bohr Model (Lyman,Balmer,Paschen series)
- Nope
- · Replies 3 ·
Time a spring takes to slow a mass
- LANS
- · Replies 3 ·
Little Milly/Willy/Time and Height
- rpullo
- · Replies 2 ·
Calculating Amplitude for a Spring Oscillation with Hooke's Law
- Dark Visitor
- · Replies 32 ·
Quantized Energy of Molecules: Minimum Energy to Break Apart
- clutch12
- · Replies 2 ·
Excited vs. Ground state masses of atom
- danok
- · Replies 1 ·
Cart recoils as two men jump off in opposite directions
- tormaplea
- · Replies 16 ·
Using Simple Harmonic motion and conservation of motion to find maximum velocity
- Fromaginator
- · Replies 3 ·
Average power (counterweight, tension, motor)
- jamesweston0
- · Replies 2 ·
What Is the Beat Frequency Between Two Close Tuning Fork Frequencies?
- sonutulsiani
- · Replies 4 ·
Wavelength of standing wave in 200 cm string with 5 segments
- Dark Visitor
- · Replies 10 ·
Standing waves - True or false?
- sonutulsiani
- · Replies 8 ·
How do I rearrange ax - b = cx + d to solve for x?
- Gringo123
- · Replies 3 ·
Finding reactions and max load for a crane design
- dreistein
- · Replies 2 ·
Three light waves combine at a point find resultant amplitude and phase angle
- CianM
- · Replies 4 ·
Simple Problem about Air Pumped into a Balloon
- Brodo17
- · Replies 6 ·
Calculating Time and Velocity of Two Stones Dropped from a Cliff
- firebirds0707
- · Replies 2 ·
Induced emf in horizontal loop, solenoid self-inductance, and iron core effects
- SAT2400
- · Replies 3 ·
Calculating Charge on Capacitor: 6.0 uF, 12V, and 100ohm Resistor
- SAT2400
- · Replies 3 ·
Flagpole problem concerning torque.
- M1ZeN
- · Replies 1 ·
Calculating Kinetic Energy and Speed with Rolling Hoop Problem
- jamesdubya
- · Replies 3 ·
How to Calculate Kinetic Energy and Velocity in Inelastic Collisions
- jamesdubya
- · Replies 18 ·
Ball goes down a frictionless ramp
- M1ZeN
- · Replies 5 ·
How Do You Calculate Simple Harmonic Motion Parameters for a Spring System?
- jamesdubya
- · Replies 1 ·
Why is charge the same on capacitors in series?
- SAT2400
- · Replies 1 ·
What is the Energy Calculation for a Bolt of Lightning?
- SAT2400
- · Replies 13 ·
Finding voltage needed to store 2.00 J in a 10.0 µF capacitor
- SAT2400
- · Replies 1 ·
Water velocity from soda bottle experiment using Bernoulli's equation
- Danneskjöld
- · Replies 1 ·
How Do You Calculate Capacitance with a Dielectric Material?
- SAT2400
- · Replies 1 ·
How Long Does it Take An Object To Fall 5 m From Rest?
- hudsonnkh
- · Replies 1 ·
Calculating Period of Torsion Pendulum
- rdn98
- · Replies 2 ·
Finding the tension of a string with 2 blocks attached.
- rnien
- · Replies 2 ·
Height of Hill with Potential and Kinetic Energy
- Dirst
- · Replies 6 ·
What Happens to the Fundamental Frequency When Modifying a Drinking Straw?
- sonutulsiani
- · Replies 7 ·
Calculate acceleration of the system
- briiannnaa04
- · Replies 8 ·
Pressure needed for water to flow at 2 m/s from a hole in a container
- qnney
- · Replies 6 ·
Multiple choice questions on work and impulse.
- DavidDishere
- · Replies 4 ·
How Do You Calculate the Frequency and Period of a Pendulum's Oscillation?
- Idrees
- · Replies 2 ·
Angular velocity of a hamster ball rolling at 5 mph
- Ingenue1
- · Replies 1 ·
What is the Moment of Inertia of a Flywheel?
- deltas
- · Replies 2 ·
Two masses, one changing, hung over a pulley
- Samuelb88
- · Replies 4 ·
Overcoming Frozen Pond Friction with a Thrown Textbook
- Vision5
- · Replies 2 ·
Find amplitude with SHM (Simple Harmonic Motion)
- kamiquazi
- · Replies 6 ·
Finding friction force and coefficient of friction on an incline
- briiannnaa04
- · Replies 10 ·
Force of gravity of chain links problem
- dois
- · Replies 5 ·
Net force on person pulled by accelerating horse
- dois
- · Replies 10 ·
Finding air temperature from sound wave frequency and wavelength
- Dark Visitor
- · Replies 13 ·
Double slit experiment with neutrons at 0.40 m/s
- jaidon
- · Replies 9 ·
Is Hand Force Still Acting on a Thrown Ball from a Distance?
- IHateYou
- · Replies 2 ·
Finding the Unknown Mass and Force in a Suspended Chain Link System
- dois
- · Replies 3 ·
Cannon and coefficient of friction between ground
- fishfish
- · Replies 6 ·
How Far Do the Bird and Arrow Land After Collision?
- Edgar92
- · Replies 22 ·
What Is the Vertical Acceleration at the Lowest Point of a Swinging Pendulum?
- mattmannmf
- · Replies 6 ·
Simple Harmonic Motion, Velocity at a certain time
- indietro
- · Replies 7 ·
Concept Question: Work done by a Spring
- Flamefury
- · Replies 1 ·
Calculating Maximum Net Force in Simple Harmonic Motion
- Dark Visitor
- · Replies 33 ·
Boom problem using rotational equilibrium methods
- qnney
- · Replies 9 ·
Max Speed of Piston in Simple Harmonic Motion
- Dark Visitor
- · Replies 19 ·
Find angular acceleration and revolutions for car wheels accelerating from 3 to 18 m/s
- LBenson
- · Replies 6 ·
Finding frequency, wavelength and speed from y(x,t) = (3.5 cm)cos(2.7x - 124t)
- Dark Visitor
- · Replies 7 ·
Finding launch speed for bike jumping between two ramps
- ramb
- · Replies 6 ·
Speed of mass on spring at 0.05 m displacement
- Dark Visitor
- · Replies 17 ·
How Do You Calculate Wheel's Moment of Inertia and Frictional Torque?
- miamirulz29
- · Replies 8 ·
Having lots of difficulty with this statics+equilibrium problem.
- EtherMD
- · Replies 3 ·
String tension with an attached whirling mass
- MZA
- · Replies 1 ·
Finding velocity as a function of time with inverse square force
- The Trice
- · Replies 5 ·
Rotational Motion / Torque Question
- PherricOxide
- · Replies 6 ·
Determine the rms value of the electric field of the transmitted beam
- EmoryGirl
- · Replies 4 ·
Finding where y=0 for a curve sketch problem
- StephenP91
- · Replies 2 ·
Having trouble finding the angle of deflection of light
- kliker
- · Replies 7 ·
Calculating Power Usage for Devices
- Monocerotis
- · Replies 3 ·
How Far Does a Ring Roll Up an Inclined Plane?
- lunarskull
- · Replies 4 ·
How Far Will Your Slush Ball Travel?
- junkigal
- · Replies 1 ·
What are the differences between h and d in pressure/fluid concepts?
- indietro
- · Replies 2 ·
Diffraction Grating, calculating rulings/mm from spectrum
- Oijl
- · Replies 1 ·
Use the Impulse-Momentum Theorem
- Raimuna
- · Replies 3 ·
Calculating Multiple Images in a Plane Mirror
- vu95112
- · Replies 2 ·