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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Amplitude of Wave at 5pi/6 Radians in Cycle, y = Asin(kx-wt)
- Point Conception
- · Replies 8 ·
Finding acceleration of 1.4 kg object on 30° incline with friction
- inv4lid
- · Replies 5 ·
Finding the relativistic speed of a spacecraft
- insipiens
- · Replies 2 ·
Emergent light produced by two lenses
- songoku
- · Replies 15 ·
How to find the position update for Step 2 in Spring Problem
- Troi Jones
- · Replies 5 ·
Does the mass of water increase when it is cooled to form ice?
- erisedk
- · Replies 11 ·
Pulley Acceleration and Tension Relations
- inv4lid
- · Replies 3 ·
Spin of a charged sphere in a non-uniform magnetic field
- nagyn
- · Replies 19 ·
Experiment to determine the time period of a pendulum
- Jahnavi
- · Replies 12 ·
How to find time period of SHM from equation of motion?
- Wrichik Basu
- · Replies 8 ·
Center of mass of a uniform wire
- Jahnavi
- · Replies 4 ·
Finding constant acceleration without time
- Uriah Graves
- · Replies 3 ·
Calculate the contact force between the skis and the track
- Alexanddros81
- · Replies 2 ·
Solve Pulley-Mass System: m1=4.00 kg, m2=1.00 kg
- Taniaz
- · Replies 2 ·
Finding the spring constant of a rubber band
- Yellowkies_3275
- · Replies 3 ·
Calculate final velocity of electric particle
- beeteep
- · Replies 8 ·
Calculating Potential Energy Change for a Mountain Climber
- Generally Confused
- · Replies 2 ·
Force needed for two air cylinders to open a 230lb hinged door
- VanillaFace
- · Replies 7 ·
Sketching E_x vs. x for two point charges on an axis
- FritoTaco
- · Replies 8 ·
How to calculate the moment of inertia for complex 3D shapes
- jm090693
- · Replies 23 ·
Orders of Magnitude Estimation Problem
- Physiona
- · Replies 10 ·
Maximum extension of the spring
- Jahnavi
- · Replies 16 ·
Rate of conversion of P.E. to heat for a waterfall
- Richie Smash
- · Replies 12 ·
The 2.5-kg wieght is released from rest -- Determine the spring constant k
- Alexanddros81
- · Replies 9 ·
How to find the direction of wave propagation
- Decimal
- · Replies 4 ·
What are the factors affecting geostationary satellite orbits?
- songoku
- · Replies 2 ·
Three particles, finding Q of one of them (Coulomb's Law)
- syladelaney
- · Replies 3 ·
Rotating reel with load driven by a motor
- bassguitar
- · Replies 4 ·
Torque and Rotational Equilibrium with a slanted Rod/Cable
- JwdePhysics
- · Replies 7 ·
Applying a time-dependent force to a proton
- vbrasic
- · Replies 15 ·
Energy released through alpha decay
- songoku
- · Replies 16 ·
Maximizing Displacements in SHM: Is ωt = -Φ/2 the Correct Value?
- Jahnavi
- · Replies 30 ·
What values of WT should I use for internal radiation dose calculations?
- adamworth
- · Replies 2 ·
Can the Hubble telescope measure the diameter of Betelgeuse?
- Decimal
- · Replies 4 ·
What is the Magnetic Field at Point O?
- TuanTran
- · Replies 1 ·
Does the force on a ball moving in a horizontal circle change its speed?
- talknerdy2me
- · Replies 2 ·
What is the Velocity of the Ball After Impact?
- GayYoda
- · Replies 7 ·
Two particle system - find their angular velocities
- Alexanddros81
- · Replies 1 ·
Series resistance for 35V voltmeter with 50Ω galvanometer
- AUAO1
- · Replies 2 ·
What is the density of pure chromium in g cm^-3?
- Richie Smash
- · Replies 44 ·
How Does a Loudspeaker's Cone Move in Simple Harmonic Motion?
- william
- · Replies 1 ·
Does charge flow equal initial charge plus battery charge in an RC circuit?
- sumit_1
- · Replies 8 ·
Finding the sum and difference of two drag coefficients
- Lunia Oriol
- · Replies 5 ·
Given current and density of electrons, what is their speed?
- Abdullah Almosalami
- · Replies 2 ·
Finding the period of a pendulum witha string that has mass
- Physics Man
- · Replies 2 ·
Force on car during collision with tree
- Tony09_
- · Replies 7 ·
Find C vector, with two known magnitudes
- Casodd
- · Replies 3 ·
Oscillation related to electromagnetic induction
- songoku
- · Replies 7 ·
Which equation is used to define resistance?
- songoku
- · Replies 10 ·
Time period of oscillation of a plate
- Jahnavi
- · Replies 19 ·
Time period of block springs SHM
- Jahnavi
- · Replies 10 ·
Semi major axis - planetary Science
- hhhp8cec1
- · Replies 1 ·
Magnetic field created by a wire
- Eitan Levy
- · Replies 5 ·
Phase of fourth wave source for maximum intensity at square center
- emdezla
- · Replies 13 ·
Kinematics -- flying a plane in the wind to a destination
- Philly215
- · Replies 3 ·
How to Derive Momentum Equations for Alpha Particles in Collisions?
- GayYoda
- · Replies 5 ·
Hydrostatics, find length of kerosene column in U tube
- Ishraq Begum
- · Replies 4 ·
Stress-strain graph-finding elastic strain energy
- Krashy
- · Replies 2 ·
Inertia of a hollow cylinder and hollow sphere
- GayYoda
- · Replies 4 ·
Hydrostatics, Length of a mercury column
- Ishraq Begum
- · Replies 1 ·
How to find supply frequency of an AC circuit
- Alan McMaster
- · Replies 6 ·
Calculating the Distance of a Zero Gravitational Field Between Earth and Moon
- Nikola
- · Replies 2 ·
Balanced forces - Electrical and Gravitational forces
- hhhp8cec1
- · Replies 8 ·
How to find Potential Energy without distance
- rocky4920
- · Replies 4 ·
Understanding Work Components in Calculating Net Work Done
- Dylan R
- · Replies 5 ·
Circular motion grade 12 physics
- Specter
- · Replies 4 ·
Transformation of Vectors in a Rotated Coordinate System
- domabo
- · Replies 25 ·
Finding how far to pull a clothespin on a rubber band to reach the ceiling
- a1234
- · Replies 6 ·
Kid recoils from pushing sled on ice using momentum conservation
- JT1000
- · Replies 12 ·
Time for water to empty from spring-loaded syringe with needle
- Stephen0311
- · Replies 9 ·
Questions about Energy (Work and Power)
- CPHY
- · Replies 2 ·
Stopping distances on a downward slope
- GayYoda
- · Replies 3 ·
How Can I Solve This Static Equilibrium Problem?
- Emanuel0406
- · Replies 2 ·
Energy dissipated in a resistor
- Bob jefferson
- · Replies 16 ·
Static equilibrium problem stuck on solution
- Emanuel0406
- · Replies 1 ·
Period of Planets orbiting a Star
- Soniteflash
- · Replies 13 ·
Confusion over the calculation of the angular momentum of a rigid body
- timetraveller123
- · Replies 20 ·
How Do You Calculate Power in These Physics Problems?
- SickTechz
- · Replies 5 ·
Calculate the coefficient of friction from mass and angle
- Physics_Noob
- · Replies 5 ·
Ultrasound waves and the kidney
- Kolika28
- · Replies 4 ·
Force on a block: coordinate systems, translation and rotation
- vroy
- · Replies 7 ·
Validity of Two-Fermion System Wavefunction with Quantum Numbers a and b
- FilipLand
- · Replies 2 ·
Energy of a solenoid with a partially removed core
- Toby_phys
- · Replies 2 ·
Does a nucleus actually contain its binding energy?
- jumbogala
- · Replies 1 ·
Balancing a plank on a cylinder
- simon janssens
- · Replies 4 ·
Electron and proton penetration
- adamworth
- · Replies 7 ·
What is the Initial Mass of Fuel Needed for a Rocket to Reach 0.1c?
- Dopplershift
- · Replies 9 ·
Finding dose rate data for 90Sr
- adamworth
- · Replies 6 ·
Calculate the rate of potential energy loss of water in a pipe
- kwal0203
- · Replies 2 ·
What is the density of the constantan wire?
- Richie Smash
- · Replies 6 ·
Question regarding centripetal acceleration/period
- LifeMushroom
- · Replies 8 ·
Physics Calculating Distance and Direction
- Anonymous1135
- · Replies 14 ·
Capacitor filled with two conducting materials
- Alettix
- · Replies 7 ·
How to calculate the Coulomb barrier between a proton and a lithium nucleus
- eigenmax
- · Replies 9 ·
Rewriting the transcendental equation for particle in potential well
- James_1978
- · Replies 2 ·
Re-Write Transcendental Function
- James_1978
- · Replies 1 ·
Formulating equation to compare forces
- Barium
- · Replies 2 ·
Hydrogen ions moving through a battery
- spaceid
- · Replies 1 ·
Finding Total Charge from E-field
- Marcus95
- · Replies 9 ·
Pulley system with tension forces and resting block
- Krashy
- · Replies 12 ·