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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Pytels Dynamics 12.40: The rocket sled is propelled....
- Alexanddros81
- · Replies 1 ·
Pytels Dynamics 12.39: A rocket is launched vertically
- Alexanddros81
- · Replies 3 ·
Electromagnet with two cardboard pieces
- peroAlex
- · Replies 9 ·
Calculating Water Volume in a Tank Using Pressure Measurements
- Regla
- · Replies 61 ·
How Does Magnetism Influence Proton Movement in Electric Fields?
- Cici2017
- · Replies 1 ·
How Does Magnet Position Affect EMF in a Coiled Wire System?
- timetraveller123
- · Replies 35 ·
What Determines the Maximal Elongation of a Spring in a Pulley System?
- snate
- · Replies 3 ·
Find speed and direction of a particle after collision
- jfnn
- · Replies 11 ·
Molecular Specific Heat of an Ideal Gas: Computations
- Const@ntine
- · Replies 8 ·
Draw a FBD, calculate tension in the string, determine mass
- jfnn
- · Replies 8 ·
Attractive force between a charge q and neutral conducting sphere
- Pushoam
- · Replies 5 ·
Electric Field Intensity of a line on bisecting plane
- elements
- · Replies 3 ·
Torque of Pulley with Two Masses2
- BBA Biochemistry
- · Replies 6 ·
How do you find speed given the beat frequency?
- Ekullabran
- · Replies 3 ·
Frames of Reference Question - Airplane Problem
- aatari
- · Replies 3 ·
Which formulas are appropriate for calculating intensity?
- Ekullabran
- · Replies 2 ·
Conservation of Angular Momentum of Train on Disk
- BBA Biochemistry
- · Replies 6 ·
What force does the current carrying coil feel?
- ybhathena
- · Replies 4 ·
Change in Potential energy equals change in Kinetic energy?
- EMdrive
- · Replies 5 ·
A dinner plate, of mass 580 g is pushed .... find work/F
- jfnn
- · Replies 2 ·
Two gases separated by a piston
- GandalfTheGrey
- · Replies 6 ·
Newton's law of gravitation, find the mass and radius of the sphere
- Sunsethorizon
- · Replies 8 ·
Van der Waal expansion and delivered work
- Dazed&Confused
- · Replies 1 ·
Calculate the time at which the object changes direction
- Snipes
- · Replies 2 ·
Why Isn't My EM Stress Tensor Calculation Giving the Expected Result?
- Vrbic
- · Replies 3 ·
Potentiometer Circuit 1: Balancing the Current - Solving for Ix and Rx
- conscience
- · Replies 21 ·
Understanding geometry problem in relativity
- Vrbic
- · Replies 2 ·
Fairly hard induced EMF problem
- RememberYourAngles
- · Replies 14 ·
Electric field strength between charged plates help
- Cici2017
- · Replies 12 ·
How Far Do You Move If You Jump in a Moving Train?
- Lani
- · Replies 5 ·
Weight of a person a certain distance above the Earth
- AfronPie
- · Replies 22 ·
Finding all the forces in this system
- Alexander350
- · Replies 12 ·
Field pattern -- Which can be produced by 2 point charges?
- Cici2017
- · Replies 7 ·
Finding the number of electrons?
- Arij
- · Replies 2 ·
Energy change for a charged particle
- Vrbic
- · Replies 7 ·
Momentum of a moon after a meteoroid strike
- Ron Burgundypants
- · Replies 10 ·
Electric circuits -- Finding the V-I characteristics of a light bulb
- Cici2017
- · Replies 1 ·
Resistance of a cylindrical resistor
- Cici2017
- · Replies 4 ·
Jet fighter flying in a vertical loop
- jstretto
- · Replies 3 ·
Calculating Magnetic Force for Homework Assignments
- Cici2017
- · Replies 3 ·
Direction of Magnetic Field with Current and Motion in Same Direction?
- Cici2017
- · Replies 10 ·
What is the correct magnetic force on the rectangular loop in this figure?
- J6204
- · Replies 10 ·
Conservation of angular momentum
- deuce123
- · Replies 5 ·
Electric field strength between charged plates
- Cici2017
- · Replies 6 ·
How Long to Change an Asteroid’s Rotation Axis with a Tug Spacecraft?
- deuce123
- · Replies 1 ·
Will there be a difference between the readings of V1 and V2
- prakhargupta3301
- · Replies 5 ·
Minimum h for Car to Remain on Track Around Loop
- Asad Raza
- · Replies 6 ·
Alternative approach -- Bicycle on a curve
- Asad Raza
- · Replies 13 ·
How Does Friction Affect Pulley Systems on Inclined Planes?
- deuce123
- · Replies 6 ·
Finding net gravitational attractions in a triangle
- AfronPie
- · Replies 2 ·
Force on a Wire: Magnetic Field and Direction of P and R - Homework Solution
- Cici2017
- · Replies 14 ·
Electric field above the centre of a rectangle
- says
- · Replies 79 ·
Understanding Electricity & Charge: Rod S as Insulator or Conductor?
- Cici2017
- · Replies 11 ·
How Does Load Current Influence the Voltage Across a Battery's Terminals?
- Cici2017
- · Replies 5 ·
Electrostatic energy of three charges
- Vibhor
- · Replies 8 ·
Cylinder & Mineral: Thermal Dilation
- Const@ntine
- · Replies 12 ·
Simple harmonic motion -- The spring and mass are immersed in a fluid....
- Asel
- · Replies 5 ·
Motion of sleeve attached to a L-shaped rotating rod
- Pushoam
- · Replies 20 ·
Compute the Work: Pressure analogous to Volume
- Const@ntine
- · Replies 4 ·
Why Did Ignoring the Ground Reaction Force Yield the Correct Torque Calculation?
- Asad Raza
- · Replies 2 ·
Wavelength and laser basics (ND:YAG)
- joslaz90
- · Replies 2 ·
Effects of Varying Satellite Heights on Orbit Motion
- Riccardo K
- · Replies 8 ·
Why does Venus always appear close to the Sun in the sky?
- Riccardo K
- · Replies 23 ·
Why are orbits of Comets unstable?
- Riccardo K
- · Replies 1 ·
Calculating Acceleration: Solving SUVAT and a Constant Homework Statement
- thejosh
- · Replies 9 ·
Calculating Rotation Period of a Collapsing Interstellar Cloud
- gex
- · Replies 2 ·
Forces acting on a thrown object
- Annabelle
- · Replies 5 ·
Find the value of resistance in the circuit
- Jahnavi
- · Replies 29 ·
Two-ended rocket - Conservation of Momentum
- Ignitia
- · Replies 1 ·
Pytels Dynamics 12.35: A cart carrying a small package
- Alexanddros81
- · Replies 3 ·
Which of the bulbs glow brightest and least bright?
- Jahnavi
- · Replies 8 ·
Solving a Rolling Coin Problem: Is it 3 or 4?
- Carbon123
- · Replies 11 ·
Charged sphere and charged conducting shell
- pedro97
- · Replies 9 ·
How Do Two Disks in Vacuum Reach Thermal Equilibrium Under Constant Heat?
- cc94
- · Replies 2 ·
Significant Figures with Kinetic Energy Formula?
- ProfessorMadMan
- · Replies 5 ·
Efficiency of a Simple 3-Stage Ideal Gas Cycle: Analyzing Thermal Efficiency η
- Toby_phys
- · Replies 3 ·
What shape does the surface of a rotating liquid take?
- Pushoam
- · Replies 18 ·
Finding the Remaining Pressure of a Gas After Removing 2/3rds
- Const@ntine
- · Replies 2 ·
Heat required to increase the temperature
- gj2
- · Replies 4 ·
Solve Superposition Wave: Prove, Phase Angle & Amplitude
- Const@ntine
- · Replies 10 ·
What is the radius of the circular arc in a sine curve trajectory?
- Pushoam
- · Replies 14 ·
How Does the Coriolis Effect Influence Falling Objects at the Equator?
- Pushoam
- · Replies 40 ·
Dynamics ramp and friction. Finding angle?
- britt6
- · Replies 4 ·
Connecting three spheres with wires redistributes charge
- iluvatar
- · Replies 10 ·
Special Relativity - Rocket problem (particle mechanics)
- Thales Castro
- · Replies 3 ·
Is the buoyant force proportional to the mass?
- Superman123
- · Replies 10 ·
Energy needed to jump one meter
- EraXon
- · Replies 17 ·
How can I calculate the depth of a well using free fall and distance equations?
- Sunsethorizon
- · Replies 3 ·
Adiabatic Expansion Pressure Temperature Relation
- SHISHKABOB
- · Replies 9 ·
Can the Biot-Savart Law be applied to point P_1 outside a finite wire?
- czmat
- · Replies 3 ·
Why Do Different Methods Yield Different Spring Constants in Physics Problems?
- I love physics
- · Replies 4 ·
Electric Field of a Charged Sphere?
- ronk
- · Replies 1 ·
Find the centre of mass for this sheet of paper with a cutout
- mrmerchant786
- · Replies 7 ·
Maximum Distance Traveled with Constant Propulsion
- ciao_potter
- · Replies 4 ·
Rotational Torque/Force Problem (rod around hinge)
- gapp123
- · Replies 15 ·
Conservation of Work/Momentum of Puck Sliding Off Plate
- SeventeenForever
- · Replies 4 ·
Calculating Tension in Ropes for a Suspended Circus Performer
- qwertz
- · Replies 2 ·
Force on a bead due to a rotating wire
- Pushoam
- · Replies 23 ·
Twins Paradox: Solving for Total Time Lapse
- Vrbic
- · Replies 17 ·
Electricity and Charge: Understanding Attraction and Earthed Conductors
- Cici2017
- · Replies 8 ·