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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Verification of my solution to a problem of Magnetism
- Swapnil Das
- · Replies 2 ·
Instantaneous angular speed question
- Erenjaeger
- · Replies 1 ·
How do I Calculate GMm with Given a and T for Gravitation Problem?
- Clara Chung
- · Replies 6 ·
Dynamic load on rotating bearing for 64 kg chute assembly
- omarmorocci
- · Replies 68 ·
Initial Velocity and Energy Conservation for Disk Collision
- xxphysics
- · Replies 1 ·
Gravitational field strength at a point
- Zack K
- · Replies 9 ·
How Do Entropy and Mass Relate in Black Hole Thermodynamics?
- MrPhysicsGuy
- · Replies 1 ·
Amount of energy generated from fusion
- Phys12
- · Replies 5 ·
Is there a more efficient method for determining if the gas is heated or cooled?
- Vibhor
- · Replies 10 ·
Why use iron's heat capacity for water's entropy change
- Pouyan
- · Replies 11 ·
Is rotational inertia an intrinsic property of an object?
- Erenjaeger
- · Replies 7 ·
Calculating Momentum of Propellant Gases in a Rifle Recoil
- ooohffff
- · Replies 5 ·
Applied force of a ball on a glove
- Zack K
- · Replies 8 ·
Concentric conducting spherical shells cut by a horizontal plane
- homer
- · Replies 10 ·
Image Distance with two concave lenses
- Jende
- · Replies 4 ·
Calculating stress and strain from length, diameter and load
- Chuck Finley
- · Replies 1 ·
2 Cylinder elastic rotational collision
- redivider
- · Replies 7 ·
Number of amplitudes in one wave cycle
- rasen58
- · Replies 9 ·
Kinematics of Rigid Body Plane Motion
- Auburn2017
- · Replies 53 ·
Using Kepler's 3rd Law to find Period of Venus
- Rajveer97
- · Replies 4 ·
Why do saucepan handles use plastic or wood?
- MathWA
- · Replies 2 ·
Verify Sol. of an Dynamic Problem with 2 Wheels
- parmalesso
- · Replies 4 ·
Projectile fired at 60 m/s to barely touch a 5m high roof
- curiosity colour
- · Replies 5 ·
Position of mass on spring w/o energy equations
- yosimba2000
- · Replies 5 ·
Lifting a uniform beam 3 m long: finding force, normal force, and friction
- edgarpokemon
- · Replies 2 ·
Vectors are confusing me. I'm not sure if I'm doing it right
- josh12399
- · Replies 9 ·
Calculate the impulse exerted after an inelastic collision
- marsupial
- · Replies 3 ·
Where to place a third charge so it experiences no force
- alxkrgr
- · Replies 5 ·
How Does Tension Affect Energy Conservation in a Pendulum System?
- Auburn2017
- · Replies 12 ·
Fluid in rotating tube with different initial levels
- Soren4
- · Replies 2 ·
Rotation dynamics pulley concept confusion
- Clara Chung
- · Replies 4 ·
Calculate linear acceleration of a pivoted stick
- marsupial
- · Replies 17 ·
Why does the hung mass balance the bar's moment, not the opposite side?
- IhasSwag
- · Replies 20 ·
Fundamental frequency change because of bouyant force
- Soren4
- · Replies 11 ·
Problem with boiling water and raising piston
- Soren4
- · Replies 11 ·
Archived Fluid dynamics, water emptying out of cylinder
- Funktimus
- · Replies 1 ·
Archived Find the gauge pressure at the pipe input
- solo
- · Replies 1 ·
Reduced chi square test in physics
- JulienB
- · Replies 7 ·
Relation between masses in a three-mass pulley system at rest
- IhasSwag
- · Replies 10 ·
Kinetic friction in an N,T- system only works in tangential?
- Pascal1p
- · Replies 1 ·
Bar rotating from horizontal: why neglect linear KE in energy conservation?
- Clara Chung
- · Replies 4 ·
Solving problems involving forces
- afifbaha
- · Replies 14 ·
Time dilation for a spacecraft traveling at 0.99c for one light year
- MelissaBlaze
- · Replies 8 ·
Significant Figures and Measurement Uncertainty in Scientific Measurements
- Vibhor
- · Replies 8 ·
Force from non-uniform charge distribution on a conducting ring
- AdkinsJr
- · Replies 4 ·
What are the forces acting on a car on a slope at an angle of θ=33.2°?
- Auburn2017
- · Replies 2 ·
Archived Fluid Mechanics - Piezometric Head
- VitaX
- · Replies 1 ·
What is the value of induced magnetic field?
- Safakphysics
- · Replies 7 ·
Pendulum oscillation time from 5° to 10°
- Clara Chung
- · Replies 17 ·
Error Calculation Homework: Can I Kill 1 Bird with 2 Shots?
- pangru
- · Replies 2 ·
Finding acceleration value for kinematic equation with t²
- User72564
- · Replies 2 ·
Finding acceleration after cutting a string supporting a ball at angle
- Auburn2017
- · Replies 5 ·
Solve questions on oscillations and kinetic energy
- SWoo
- · Replies 2 ·
Maximum speed of a cylinder dropped on a spring
- Rajveer97
- · Replies 4 ·
When to use KE = 3/2 RT vs 1/2 mv^2
- OiOcha
- · Replies 11 ·
How to find force when calculating power from force and velocity
- Vibhor
- · Replies 26 ·
Tangential velocity in circular motion with inclined path
- Pascal1p
- · Replies 1 ·
Normal force on table supporting a 5 kg block on a 10 kg wedge at 30°
- Clara Chung
- · Replies 7 ·
Acceleration of an object given forces
- Zack K
- · Replies 7 ·
How does electrostatics explain the invisibility of quickly passing objects?
- Samia qureshi
- · Replies 1 ·
Solve Numerical Problem: Proton Mass, Charge, Speed & Electric Field Strength
- Samia qureshi
- · Replies 5 ·
What Force Keeps the Block from Sliding on a Frictionless Inclined Ramp?
- Copperhead2
- · Replies 10 ·
Kinematics/speed of sound question
- nothingsus
- · Replies 3 ·
Curvilinear Motion with nonconstant acceleration
- Auburn2017
- · Replies 2 ·
This solution does not make sense to me (dynamics)
- Pascal1p
- · Replies 3 ·
Free-body diagrams and Newton's laws with a suspended chain
- Korisnik
- · Replies 3 ·
Fraction of lost energy in compton scattering
- Magnetic Boy
- · Replies 18 ·
Particle hitting an inclined wall viewed in different frames
- Whitehole
- · Replies 5 ·
Ball colliding with rod elastically
- Vibhor
- · Replies 3 ·
Finding the speed to receive sound constantly
- Soren4
- · Replies 10 ·
Transmission of mechanical wave on two different ropes
- Soren4
- · Replies 1 ·
Finding relative error for radial acceleration
- ooohffff
- · Replies 1 ·
Minimum force P on a portable reel in 3D equilibrium with 100 N hose tension
- Soumalya
- · Replies 9 ·
How Do You Calculate Maximum Car Speed Against Resistance and Incline?
- Traycee John
- · Replies 11 ·
What is the distance of the particle from mass A?
- Mr.maniac
- · Replies 4 ·
Factors affecting the resonating frequency of wire?
- demonicbookworm
- · Replies 1 ·
Why do both masses move up in a double pulley system?
- Carbon123
- · Replies 3 ·
Finding time for a particular position of vertically thrown baseball
- Zack K
- · Replies 3 ·
How does negative work on a negative charge affect potential energy?
- RoboNerd
- · Replies 16 ·
Fluid Dynamics in Pipe Lines Problem
- Elien
- · Replies 1 ·
Dynamics; I don't get, nor see the wrong assumption.
- Pascal1p
- · Replies 5 ·
How does temperature affect the expansion of steel railway track?
- martinbandung
- · Replies 2 ·
Finding displacement using net work?
- ooohffff
- · Replies 9 ·
How Do You Solve Nonuniform Linear Acceleration Problems?
- Auburn2017
- · Replies 6 ·
Linearising Graph of Mass and Frequency
- Tikiboom1
- · Replies 1 ·
Simplify Trigonometry expression
- Eagertolearnphysics
- · Replies 6 ·
Reversible heat exchange between water and ice
- Soren4
- · Replies 6 ·
Question relating to Kirchhoff's law
- johnknee
- · Replies 6 ·
Archived Motion of an electric charge in the field of an electric dipole
- dmistry
- · Replies 4 ·
What is the heat produced when two charged spheres are connected by a wire?
- Gummy_Bear
- · Replies 9 ·
Free falling with air resistance question
- Clara Chung
- · Replies 12 ·
Inelastic Collision - Kinetic Energy
- JayaSuria
- · Replies 13 ·
One of those 'think about' problems in textbook
- Bennyp85
- · Replies 8 ·
Kinetic energy of positron and proton
- Gummy_Bear
- · Replies 3 ·
Object drawn across two support points
- swpz
- · Replies 18 ·
Finding ionization potential from energy difference between n=2 and n=3 in hydrogen
- Magnetic Boy
- · Replies 3 ·
Statics: Problem about Equilibrium in 3-dimensions
- Soumalya
- · Replies 2 ·
Radial force in a circular motion
- Vavi Ask
- · Replies 5 ·
Kinetic Energy when the Force is Perpendicular to Velocity
- Vavi Ask
- · Replies 4 ·
Thermal expansion of liquid in a tube
- Soren4
- · Replies 2 ·