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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Why Choose Both Electron and Hydrogen Atom as a System in Collision Studies?
- Loppyfoot
- · Replies 1 ·
Object pulled up by rope in accelerating elevator: tension 30N, acceleration 1.4 m/s²
- ThomasMagnus
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Force between a unform sphere and a particle* outside of the sphere
- obing007
- · Replies 1 ·
Constructive inteference question
- freetofu
- · Replies 2 ·
How Does Friction Affect Mechanical Energy in a Bead Slide?
- notsam
- · Replies 1 ·
How do Lenz's Law and the right hand rule work together in electromagnetism?
- brianll
- · Replies 3 ·
How to improve a summary of superposition/Schrodinger's cat
- whatisreality
- · Replies 3 ·
Motional Emf: Solving for Speed with E=vBL
- kiltfish
- · Replies 1 ·
Calculating Linear Speed of Test Tube in Centrifuge
- mwegimont
- · Replies 1 ·
Virial theorem for an inverse-square law force
- 158939444
- · Replies 1 ·
Deriving RPM for Object Slipping from Rotating Surface
- icanletyougo
- · Replies 1 ·
Cart held between two identical springs: find spring constant, frequency, and energy
- crosbykins
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Finding wire diameter given mass, resistance, and resistivity
- pkujulo2
- · Replies 3 ·
What Is the Magnetic Field at the Center of a Solenoid?
- kiltfish
- · Replies 3 ·
Calculate Electrical Energy Stored in 9V Battery (120 mAh)
- Mangastream
- · Replies 6 ·
Finding acceleration of 2 kg block with 1 kg block on top and friction
- physicsboy007
- · Replies 12 ·
How many joules are in a kilowatt-hour?
- Mangastream
- · Replies 2 ·
Calculating Energy and Efficiency for Heating Water in a Kettle
- chawki
- · Replies 8 ·
Finding Kinetic Energy of a Collision
- Loppyfoot
- · Replies 1 ·
Finding Current and Voltage Questions?
- Paymemoney
- · Replies 1 ·
How Accurate is the Calculated Current I_b Using Nodal Analysis?
- Paymemoney
- · Replies 16 ·
Dot and cross products for volleyball serve vectors
- Kawakaze
- · Replies 9 ·
Can the force of 1.50N accelerate a 0.20kg cart to a speed of 6.70m/s?
- shayaan_musta
- · Replies 6 ·
Spring compression to complete a loop (energy)
- etothey
- · Replies 4 ·
Length of the wire that is inside the magnetic field
- lilaznjewel
- · Replies 1 ·
The Velocity in terms of time and drag K
- solveint
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Why is alpha1 not coming out to be equal to alpha2*4 in rotational mechanics?
- Abhishekdas
- · Replies 2 ·
Introductory Physical Pendulum Problem
- Zipzap
- · Replies 14 ·
Phase constant for high pass filter
- dstdnt
- · Replies 1 ·
Net Work Done by an Accelerating Brick
- emmy
- · Replies 8 ·
Gravitational force on 2.6-kg object at Earth's surface
- Cloudy789
- · Replies 3 ·
I have a few questions that involve forces on a ramp
- Jacobojao
- · Replies 1 ·
I don't want to get scammed by the electronic store
- flyingpig
- · Replies 1 ·
CIRCUITS Assignment Help: Get Answers Now!
- mmmboh
- · Replies 8 ·
Seeing if something is Dimensionally correct.
- Sirsh
- · Replies 4 ·
Total kinetic energy before and after truck-car collision
- iNarb
- · Replies 1 ·
Train whistles; moving/stationary sound and velocity
- gmmstr827
- · Replies 3 ·
Finding the unit of θ in ΔT = Pθ using dimensional analysis
- fran1942
- · Replies 2 ·
Relationship between distance and gravitational force
- Davidjanas
- · Replies 2 ·
Projectile motion apple throw question
- sniper_08
- · Replies 5 ·
Calculate engine efficiency from fuel consumption and power output
- chawki
- · Replies 8 ·
Why Do We Multiply by Cos(35) to Find the X-Component of Force in Physics?
- godkills
- · Replies 6 ·
Finding moment of inertia and period for a physical pendulum with a ruler
- Daniiel
- · Replies 8 ·
How Does Tension Affect a Climbing Man on a Frictionless Ladder?
- firefly.ember
- · Replies 5 ·
What Causes Objects to Become Charged?
- kripkrip420
- · Replies 5 ·
Rates of Change in a RC Circuit
- Thefox14
- · Replies 4 ·
Problems about atmospheric pressur
- scientifico
- · Replies 11 ·
How Does Lightning Transfer Between a Tree and a Person?
- Falcons
- · Replies 3 ·
Average Acceleration of the object
- icanletyougo
- · Replies 5 ·
Rod sliding down incline with roller at one end
- Telemachus
- · Replies 1 ·
Calculating period of oscillation of simple harmonic motion
- Scarlet_pat
- · Replies 1 ·
How Does Young's Modulus Factor into Calculating Pendulum Swing Velocity?
- Abhishekdas
- · Replies 4 ·
Questions involving more than one voltage source
- dimpledur
- · Replies 12 ·
How to Clean Up Circuit Diagrams Without Contact?
- dimpledur
- · Replies 28 ·
Calculating E_0: Find Expression to Solve
- javak
- · Replies 2 ·
Find required distance of support for beam
- diadiaria
- · Replies 10 ·
What is the Relationship between Kepler's law and universal gravitation law?
- LukeyD
- · Replies 10 ·
Why Do We Use PSI and Pascals to Measure Pressure?
- supernova1203
- · Replies 3 ·
How Do You Calculate Capacitance for Different Types of Capacitors?
- mmattson07
- · Replies 4 ·
Currents and voltages with resistors
- runningirl
- · Replies 11 ·
Calculate resistance of circuit (in series and parallel)
- MathsTutor
- · Replies 3 ·
Pressure in water and different liquid
- Scarlet_pat
- · Replies 10 ·
Momentum, Impulse, and Collision #2
- Tastosis
- · Replies 18 ·
Projectile Motion (Angles of projection problem)
- CaptainSMASH
- · Replies 5 ·
What are the velocities of the two objects when they meet?
- Amuro
- · Replies 5 ·
Copper wire thickness for a 30mH solenoid inductor
- chemic_23
- · Replies 4 ·
When Does a Heat Pump Become Ineffective Based on COP?
- rvaafrica
- · Replies 2 ·
What is the position vector of the ball in a tennis serve?
- Kawakaze
- · Replies 4 ·
Calculating Charge and Current in a Region Between Concentric Conducting Spheres
- PhysicsUnderg
- · Replies 1 ·
What are some movies with bad physics that I can analyze for my assignment?
- GKRKarateKid
- · Replies 1 ·
What is the unit conversion for ML^-2T^-1?
- fran1942
- · Replies 1 ·
Finding position from velocity (trig function)
- tasveerk
- · Replies 7 ·
How Much Heat Does a Power Plant Transfer to a River Each Second?
- Runaway
- · Replies 2 ·
Momentum, Impulse, and Collision
- Tastosis
- · Replies 12 ·
Scale reading when elevator accelerates downward from rest
- chs60815
- · Replies 4 ·
How Do You Calculate the Capacitance of a Second Capacitor in Parallel?
- wushumaster
- · Replies 2 ·
Upthrust in water with different gravity
- Scarlet_pat
- · Replies 4 ·
Electric field of concentric insulating sphere and conducting shell
- dswatson
- · Replies 1 ·
Problem with 'simple' RC circuits
- lpau001
- · Replies 8 ·
Energy required to heat a house
- Runaway
- · Replies 8 ·
Circular motion of stone and rope
- jasonbans
- · Replies 6 ·
How Do You Calculate Tension in a String Connecting Two Masses on an Incline?
- jordanilyily
- · Replies 3 ·
Inelastic collision between two masses at different angles
- Physicshelper
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What is the vacuum wavelength of the incident light in nm?
- NeedsHelp1212
- · Replies 2 ·
Where Can the Electric Field Be Zero Between Point Charges?
- dswatson
- · Replies 2 ·
Finding normal force and static friction coefficient for block on ramp
- 012983
- · Replies 5 ·
Current due to Potential Difference
- ihearyourecho
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How Does Bernoulli's Principle Impact Fluid Dynamics Applications?
- jasonbans
- · Replies 3 ·
Calculation of the velocity uncertainty
- dba
- · Replies 1 ·
What Determines the Velocity and Mass of the Second Ball in a Collision?
- RIO0311
- · Replies 1 ·
Work in an Elevator - Find the Answer
- Jshumate
- · Replies 1 ·
What is the Correct Calculation for Pressure in Boyle's Ideal Gas Law Problem?
- rad10k
- · Replies 9 ·
Calculating Work on a Bucket Hanging in a Well
- mjjaques
- · Replies 3 ·
Finding focal length of a convex lens with a laser
- wg1337
- · Replies 1 ·
A chaotic orbit of a satellite around two planets question
- abejackson
- · Replies 8 ·
Calculating Current Through a Resistor Using Short Circuit Method
- dimpledur
- · Replies 6 ·
Quick True/False questions about acc elevator
- niravana21
- · Replies 4 ·
Resistance of coaxial cylinders with two materials
- PhysicsUnderg
- · Replies 1 ·
How does wind affect the drag force in a projectile motion problem?
- ineedhelp12
- · Replies 2 ·
What Causes Frequency and Amplitude Instability in Oscillating Crystals?
- AStaunton
- · Replies 3 ·