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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How Should Error Be Calculated When Determining Angles from Voltage Maxima?
- CricK0es
- · Replies 2 ·
How to Determine Velocity and Acceleration from Position?
- Fia Ismi Nur Alfiah
- · Replies 10 ·
Normal forces between stacked crates in an elevator at constant speed
- bornofflame
- · Replies 5 ·
Rock dropped inside of a moving vehicle
- Perseverence
- · Replies 11 ·
Electric field inside a uniformly polarized cylinder
- Potatochip911
- · Replies 3 ·
The tension in the cord in this system
- Blueberrymuffim
- · Replies 7 ·
Motion and Forces [High School]
- Liam C
- · Replies 5 ·
Force decreased but velocity continues to increase
- Perseverence
- · Replies 6 ·
What Does the 10% Resistance Boundary Mean in Circuit Measurements?
- Daniel2244
- · Replies 6 ·
Work done by friction on smaller block
- Jahnavi
- · Replies 27 ·
Finding launch angle when initial speed is 4 times speed at peak
- Mac5214
- · Replies 7 ·
Sources of Error in a Speed of Sound Experiment
- mitchy16
- · Replies 3 ·
Finding the magnitude of the current flowing through a wire
- rocky4920
- · Replies 13 ·
Why P = F*v = ε^2/R = (vBl)^2/R when there's no friction?
- Karagoz
- · Replies 6 ·
Prove the average external force is Zero
- Manolisjam
- · Replies 3 ·
What are the values of Rf and V2 for the given circuit?
- Aprtaenl
- · Replies 3 ·
How Does Particle P Chase Particle Q on a Circular Path?
- Kavya Chopra
- · Replies 35 ·
Coulomb's Law Grade 12 Question -- Net Electric Field affecting a Charge
- David John
- · Replies 18 ·
Induced current in two connected loops
- Jahnavi
- · Replies 5 ·
How Accurately Can Induced EMF Represent Batteries in Circuit Problems?
- Jahnavi
- · Replies 8 ·
What is this formula being used to calculate drag force?
- grandpa2390
- · Replies 36 ·
Magnitude of Acceleration on Merry-Go-Round
- teresalin2004
- · Replies 2 ·
Find x(t) for a car being pelted by rocks (1-D)
- Phantoful
- · Replies 8 ·
The net electric field at point A is 6.7x10^4Nm.
- chef99
- · Replies 4 ·
What is the current induced in the loop when the area is π(b2 - a2)?
- Jahnavi
- · Replies 10 ·
Electrostatics on a metal sphere
- liewliewliew
- · Replies 2 ·
Find the elongation in the wire
- Jahnavi
- · Replies 4 ·
Nulcear fission, two daughter nuclei
- Taylor_1989
- · Replies 5 ·
Electric flux of a cube due to a point charge
- The Blind Watchmaker
- · Replies 5 ·
Change in electric potential energy
- Wes Turner
- · Replies 3 ·
What's the total resistance in this circuit?
- lbwet
- · Replies 10 ·
Breaking down a complicated resistance circuit
- The Blind Watchmaker
- · Replies 4 ·
Superposition principle verification in MATLAB with DC and AC sources
- Bloopy
- · Replies 5 ·
Time-dependent potential difference between two ends of a loop
- TheBigDig
- · Replies 6 ·
Uncertainty larger than the plotted value
- SuchBants
- · Replies 14 ·
Vf^2=Vi^2+2ad not proportional?
- KAaron
- · Replies 13 ·
What Is Cv for an Ideal Gas with Cp = 35.4 J/mol⋅K?
- grangr
- · Replies 10 ·
Can the max friction be determined in B-ii?
- phys_student2018
- · Replies 10 ·
Impulse from position time graph
- Jahnavi
- · Replies 8 ·
Finding unknown capacitor in complex network
- Jahnavi
- · Replies 4 ·
Does internal resistance affect balance point?
- jonny23
- · Replies 6 ·
Finding the coefficient of kinetic friction on an incline
- Brandon Davidson
- · Replies 3 ·
Doppler Effect (2 moving objects)
- lc99
- · Replies 1 ·
What was the point of this prelab i just did?
- lc99
- · Replies 2 ·
Max values for a 2-dielectric capacitor
- HelloCthulhu
- · Replies 21 ·
Angular momentum and a summersault problem
- robax25
- · Replies 19 ·
How to calculate the resistance in a combined circuit
- Daniel2244
- · Replies 4 ·
Gravitation - gravity force, centripetal aceleration, work
- joanneadams
- · Replies 6 ·
Atomic clock time dilation with orbiting satellite over one year
- Physics345
- · Replies 3 ·
Angular Acceleration and Linear Acceleration of a Pulley
- EchoTheCat
- · Replies 4 ·
Charges of ions in a mass spectrometer
- Karagoz
- · Replies 1 ·
Graph of a particle in parabolic path
- Jahnavi
- · Replies 6 ·
Understanding SHM Equations: Solving Two Equations and Identifying Mistakes
- Jahnavi
- · Replies 2 ·
Pressure and Volume Relationship in Closed Bottles
- James124900
- · Replies 24 ·
MatLab Code for Baseball Not Working
- grandpa2390
- · Replies 27 ·
How to find the power consumed by the light bulb
- Helly123
- · Replies 19 ·
Complex power of Y-connected load from line voltage and current
- kstorm19
- · Replies 2 ·
Acceleration of a block on a massive pulley
- EchoTheCat
- · Replies 1 ·
Impulse: multiple choice question
- zanyzoya
- · Replies 4 ·
Resolving forces involving an elastic string
- thebosonbreaker
- · Replies 1 ·
Find the equivalent model of an infinite ladder circuit
- The Blind Watchmaker
- · Replies 3 ·
Electromagnetic Induction Problem (Very Introductory)
- Humbleness
- · Replies 3 ·
Frame of reference/ time dilation
- Physics345
- · Replies 4 ·
Finding resistance in a combined series-parallel circuit using voltage and current
- Daniel2244
- · Replies 4 ·
Boy scout problem (Serway and Jewett)
- Kavya Chopra
- · Replies 14 ·
Charged capacitors connected together, find the final potential difference
- The Blind Watchmaker
- · Replies 5 ·
Why Might Statement (b) Be Incorrect in Ideal Gas Processes?
- grangr
- · Replies 2 ·
Forces Grade 12 Physics Question
- David John
- · Replies 5 ·
1-Dimensional Distance with Drag
- Matt Callicott
- · Replies 15 ·
Is it possible that the force on a body is zero when its mass is zero?
- randomgamernerd
- · Replies 8 ·
Lift and screw impact velocity
- robax25
- · Replies 11 ·
Calculating Earth Displacement from Free Fall of 1kg Object
- gasar8
- · Replies 10 ·
Calculate fundamental overtone and length of tube
- bookerdewitt
- · Replies 4 ·
What happens to the angle between two wires when one current is doubled?
- Eitan Levy
- · Replies 2 ·
Finding velocity relations between three particles
- Jahnavi
- · Replies 11 ·
How Does Total Energy Relate to Potential Energy in a Closed System?
- Mathematicsresear
- · Replies 2 ·
Find the time dependent magnetic field intensity
- TheBigDig
- · Replies 2 ·
Calculate the velocity of a body with twice the mass to have the same KE
- Richie Smash
- · Replies 17 ·
Momentum and energy conservation in a vertical loop
- Eitan Levy
- · Replies 13 ·
Find the current induced in a wire loop by a nearby current
- Helly123
- · Replies 45 ·
Unsure of how to approach this type of problem—Current densities in wires
- The Blind Watchmaker
- · Replies 3 ·
Kinematics on a frictionless incline plane
- Eyris
- · Replies 3 ·
What is the wavelength difference based on a mini spectrom.?
- ilittlepotato
- · Replies 1 ·
Ideal gas - percentage of fraction of molecules
- Jahnavi
- · Replies 9 ·
Electric flux through a wedge shaped block
- Fatima Hasan
- · Replies 5 ·
Net electric flux through a cylinder's surface
- Fatima Hasan
- · Replies 1 ·
Is There Flux Through the Lateral Surface of a Cylinder?
- Fatima Hasan
- · Replies 8 ·
Why is the work done considered negative in this thermodynamics problem?
- A Physics Enthusiast
- · Replies 3 ·
Should I use the arc tan of (ay/ax) or of (Fy/Fx) and why?
- Ella1777
- · Replies 3 ·
Rectifying my logic of Gauss's Law
- The Blind Watchmaker
- · Replies 6 ·
Why Won't My Matlab Code Work?
- grandpa2390
- · Replies 12 ·
Variation of gravitational attraction between Sun and Earth
- Matthew 289
- · Replies 3 ·
Inserting a steel rod into a current-carrying copper pipe
- orzyszpon
- · Replies 7 ·
Confirming my logic on potential difference
- The Blind Watchmaker
- · Replies 2 ·
Direction of particle between two plates
- Fatima Hasan
- · Replies 4 ·
Why is my calculated resistance higher than the resistor used
- Daniel2244
- · Replies 60 ·
Can I add all torques in a shaft and use it as the Tmax?
- Ballena Joseph
- · Replies 16 ·
Ball launched at 45°: is using linear kinematics for vertical motion valid?
- ForceBoy
- · Replies 2 ·
Rolling resistance force for a 75gram vehicle
- Isti0503
- · Replies 10 ·
Which has more resistance: 100W or 60W bulb at the same voltage?
- avaz567
- · Replies 11 ·