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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Confirmation for Simplifying Vector Product: Can Constants be Taken Out?
- fishspawned
- · Replies 2 ·
Coulomb's Law Question grade 12
- jbjohnybaker
- · Replies 1 ·
I need to find a velocity for a given t value, from a linear acceleration graph
- Andrew22
- · Replies 4 ·
Finding image location with concave mirror
- physiquephys
- · Replies 4 ·
What is the difference between mass and volume?
- kwmwtaj
- · Replies 3 ·
Thermodynamics: Calorimeter problem
- petefic
- · Replies 1 ·
Speed of Surface Waves on Deep Water: G, D, λ
- coldpay
- · Replies 2 ·
How Does a Moving Rectangular Loop Generate Current in a Magnetic Field?
- laser123
- · Replies 3 ·
What is the frequency of small oscillations for a bar hanging on two cords?
- regisz90
- · Replies 1 ·
Accuracy of the Formula xf=xi +vixΔt for Constant Velocity
- anthony123456
- · Replies 10 ·
Assistance with projectile motion question
- gbaby370
- · Replies 3 ·
What are some common misconceptions about work and energy?
- wow22
- · Replies 14 ·
Understanding Electric Potential and Work Done by Electrostatic Force
- Boody
- · Replies 1 ·
Calculating the Rate of Change of a Square's Area
- Cbray
- · Replies 2 ·
SPH4U University Grade 12 Physics - Coulomb's Law?
- burhan101
- · Replies 1 ·
Thermodynamics: Proofs of work done on/by gas during adiabatic process
- Matty R
- · Replies 4 ·
Calculating Projectile Motion in a Baseball Home Run
- jonwasnothere
- · Replies 4 ·
Temperature Response of a 1st Order Sensor to a Step Change
- queuetea
- · Replies 4 ·
Circular Motion in a Roller Coaster
- iT95
- · Replies 2 ·
Finding Velocity in Simple Harmonic Motion
- MRMooneyham
- · Replies 7 ·
Standing wave wavelength and speed from node spacing
- milliex51
- · Replies 2 ·
Solve Highschool Physics Problems: Time, Velocity, and Angle Calculations
- kimkibun
- · Replies 1 ·
Current and Electricity Question
- draotic
- · Replies 4 ·
Angular momentum about an Axis and a Point
- the-ever-kid
- · Replies 7 ·
Solid sphere rolling down incline: friction, velocity, angular momentum, kinetic energy
- Zenoture
- · Replies 1 ·
Wave on a string meeting a boundary between areas of different densities
- 99wattr89
- · Replies 3 ·
Quantum Physics: Heinsburg Uncertainty
- 200physics
- · Replies 4 ·
Finding momentum components from Fermi Lab particle physics data
- imda8o8bomb
- · Replies 1 ·
How to draw pulley system diagram to find the relationship between two objects?
- theBEAST
- · Replies 6 ·
Drawing resultant shapes from interfering pulses using superposition
- milliex51
- · Replies 1 ·
IB Physics SL Simple Harmonics Question
- Regalia
- · Replies 1 ·
How Do You Calculate Displacement with Varying Force Over Time?
- getty102
- · Replies 1 ·
How Does Newton's Second Law Apply to Rotational Motion in a Pulley System?
- rainstom07
- · Replies 1 ·
Finding moles and work for ideal gas expanding at constant pressure
- FutureE'neer
- · Replies 1 ·
Rotational Velocity and Acceleration
- PhysicsScrub
- · Replies 5 ·
Students picking apples, 40* ladder on fence
- clos561
- · Replies 3 ·
Why Does Subtracting a Vector's Angle from 90 Degrees Determine Its Complement?
- Bashyboy
- · Replies 1 ·
Ball swinging around peg: finding peg position for circular motion
- qball1982
- · Replies 2 ·
How do power and velocity affect acceleration in a moving car?
- magiclink
- · Replies 5 ·
Electrostatic Forces of an Equilateral Triangle
- maxtheminawes
- · Replies 4 ·
Why Is EMF Induced Only in One Direction in a Moving Conductive Square?
- jsmith613
- · Replies 1 ·
Current in a wire and wire density
- nateja
- · Replies 3 ·
Collar sliding on parabolic pole with spring attached
- qball1982
- · Replies 5 ·
Momentum. Kinetic energy lost in the collision.
- qwerty159
- · Replies 2 ·
Torque on a sign driving down a road
- fisselt
- · Replies 1 ·
Solving Radioactive Decay: Homework Equations and Attempt at Solution
- elemis
- · Replies 7 ·
Capacitors in a circuit / Calculate total capacitance
- Rokas_P
- · Replies 1 ·
Ball attached to vertical rod by two strings rotating at constant angular velocity
- meowers
- · Replies 1 ·
Quantum mechanics eigenstate transitions
- shyguy79
- · Replies 9 ·
Ladder against a wall held by a horizontal tie rope
- pepi78
- · Replies 4 ·
Diffraction grating sum, 1 mark mcq question (a level)
- mutineer123
- · Replies 8 ·
A Haunting question on diffraction grating
- mutineer123
- · Replies 1 ·
Calculating Common Velocity of Two Identical Blocks After Collision
- dalcde
- · Replies 2 ·
Calculating Steady State Heat Transfer
- dzkl
- · Replies 1 ·
Finding the Coordinates of Point A in a Force Equilibrium System
- Nivlac2425
- · Replies 5 ·
Finding the x-component of a force using Coulomb's Law
- cherrymilk
- · Replies 2 ·
Find spring constant, unknown projectile mass, vertical spring gun.
- JonasKVJ
- · Replies 6 ·
Replacing two torques with a single equivalent torque
- djornoeu
- · Replies 1 ·
Charges on two small spheres suspended from a thread
- OmegaFury
- · Replies 9 ·
Radial vs tangential electric field lines in a solenoid
- nosmas
- · Replies 1 ·
Very easy simple harmonic motion question that I keep getting wrong
- coldjeanz
- · Replies 3 ·
Suspending a Charged Droplet: Electric Field E Found by Millikan
- 4real4sure
- · Replies 1 ·
Relation of resistance to power dissipation
- omari_yousef
- · Replies 1 ·
Will a spring constant always remain the same?
- Pharris7
- · Replies 1 ·
How do I calculate these Uncertainties?
- Procrastinate
- · Replies 1 ·
Magnetic Field Induced by Nonuniform Electric Flux
- Badre
- · Replies 2 ·
1 mark question on kinematics, or a stone fallin through air.
- mutineer123
- · Replies 5 ·
Intenal energy increase in wind of star ?
- sam_021
- · Replies 3 ·
Quick Conceptual Question on Lenz's Law
- longcatislong
- · Replies 6 ·
Ampere's Law and Infinite Current Sheets
- theBEAST
- · Replies 3 ·
Vector addition and motion diagram
- arukia
- · Replies 1 ·
Finding moment of inertia of a pulley
- bologna121121
- · Replies 9 ·
Tricky Buoyancy Problem Involving Water Levels
- haleyking11
- · Replies 4 ·
A confusion related to Significant figures
- babita
- · Replies 4 ·
Step-Up Transformer Conceptual Problem
- longcatislong
- · Replies 1 ·
How Do You Calculate the Age of Plant Material Using Radioactive Decay?
- Keris
- · Replies 3 ·
Vapor pressure and the boiling point of a liquid
- That Neuron
- · Replies 2 ·
Capacitance concentric spherical shells
- Anoonumos
- · Replies 2 ·
Why Use 3.14 for Pi in T = 2(pi) / w?
- Darth Frodo
- · Replies 2 ·
Parallel Wires and Magnetic Field
- kimberlyann9
- · Replies 3 ·
Calculating Velocity in Simple Harmonic Motion: A Pendulum Clock Analogy
- jatin1990
- · Replies 1 ·
EMF Induced on Secondary Coil of a Transformer
- elemis
- · Replies 1 ·
Why is work done pushing a block up a slope 750J not 375J?
- mutineer123
- · Replies 6 ·
Lowest Speed Nucleus for Acceleration: 9702 Physics Q40
- mutineer123
- · Replies 2 ·
Young's modulus by searle's apparatus
- babita
- · Replies 3 ·
When is the magnetic flux on a section of a closed surface equal to zero?
- McAfee
- · Replies 3 ·
Force made by a mass falling on the floor
- vv3
- · Replies 4 ·
Particle sliding down sphere: when does centripetal force formula apply?
- evansmiley
- · Replies 14 ·
The difference is the force on the loop.
- Alouette
- · Replies 1 ·
What self-induced emf appears in that coil?
- McAfee
- · Replies 1 ·
How Is Torque Calculated on a Current Loop in a Magnetic Field?
- Alouette
- · Replies 1 ·
How is the Electric Field Rate Changing in a Charging Parallel-Plate Capacitor?
- jehan60188
- · Replies 7 ·
Which describes the magnetic flux through a section of a loop?
- McAfee
- · Replies 4 ·
Capacitor charging in increasing magnetic field
- longcatislong
- · Replies 1 ·
Calculating temperature of Hydrogen gas cloud
- rshalloo
- · Replies 4 ·
Solving Physics Problem: Moment = F × d = 60X20 = 50d, d = 24 cm
- mutineer123
- · Replies 2 ·
Why is car speed in transverse direction not tangential direction?
- theBEAST
- · Replies 4 ·
Law of Induction: What is the value of B in the equation ε = (BA)/t?
- bobsmith76
- · Replies 3 ·
Projectile question - X and Y direction
- anthony123456
- · Replies 2 ·
Calculate the power delivered to each resistor
- bodkin.thomas
- · Replies 11 ·