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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How Do You Calculate Electric Field Strength and Direction?
- miyayeah
- · Replies 5 ·
Calculate Electric Flux from Point Charge to Plate:
- Faiq
- · Replies 3 ·
Mechanics problem -- a mass on a table that can freely move on wheels
- Clara Chung
- · Replies 4 ·
Electrical field near infinite, charged rod
- klm_spitifre
- · Replies 3 ·
Distance Traveled by a Laser Pointer in Outer Space
- jasonchiang97
- · Replies 8 ·
How do I find the direction of C?
- lioric
- · Replies 10 ·
Why Is GM Set to 900 in the Vis-Viva Equation for AU and KM/s?
- visviva
- · Replies 4 ·
Rock dropped and thrown down from roof hitting simultaneously
- Jrohazn
- · Replies 1 ·
Total interior and exterior charge of a hollow sphere?
- KoontzyN
- · Replies 1 ·
Force needed to push a trolley onto sidewalk
- Fibo112
- · Replies 7 ·
Finding the Speed of a head hit by a soccer ball
- HappyFlower
- · Replies 2 ·
Find potential within a pipe using Laplace's equation
- Bestphysics112
- · Replies 18 ·
Why Does Binding Energy Differ Between ^6Li and ^7Li?
- Taylor_1989
- · Replies 1 ·
Finding F31x component of electric force between two charges
- Goatscholar18
- · Replies 1 ·
Elastic Spring / Simple Pendulum Lowest Point
- ln(
- · Replies 14 ·
Does a box's velocity change when it emits a photon inside itself?
- Matt Callicott
- · Replies 11 ·
Energy Conservation applied to Earth's surface
- garr6120
- · Replies 2 ·
Impulse and momentum in two dimensions - Finding velocity
- Specter
- · Replies 6 ·
Why Is the Electric Flux from a Point Charge Only Half Through the XY Plane?
- Hammed
- · Replies 2 ·
What is the formula for determining the force of impact in a physics problem?
- pantufino
- · Replies 9 ·
Period of Oscillation for mass on a spring.
- dragon-kazooie
- · Replies 2 ·
Calculate the course of the Force and Moment
- Dan123
- · Replies 1 ·
Bar forces (1-6) should be calculated?
- Dan123
- · Replies 7 ·
Solve a system of two linked harmonic oscillators
- YellowBiro
- · Replies 6 ·
Sound reflection distance and SPL in an auditorium
- Jese Reyes
- · Replies 7 ·
How Do You Calculate Maximum Torsion in a Spring System?
- NicolaiTheDane
- · Replies 9 ·
Maximizing Friction Coefficient for Block on a Wedge: A Calculus Approach
- Silicon-Based
- · Replies 3 ·
How Does the Angle of Inclination Affect Motion in Rigid Body Dynamics?
- fedecolo
- · Replies 6 ·
What Focal Length Eyepiece Provides a -125 Magnification?
- Anna M
- · Replies 1 ·
Finding temperature of oxygen using ideal gas law with unit conversion
- AbbeyC172
- · Replies 5 ·
Calculate the total force on Q1
- JustAStudent
- · Replies 3 ·
Electric field vector in component form
- miyayeah
- · Replies 2 ·
Calculating "population absurdities"
- Elissa Damron
- · Replies 1 ·
Impulse and momentum in one dimension - Two carts are moving
- Specter
- · Replies 16 ·
Parallel-Plate Capacitor Separation
- beeteep
- · Replies 2 ·
Calculating voltage within and outside of a solid sphere
- starstruck_
- · Replies 1 ·
What is the Latus Rectum in Projectile Motion?
- Suyash Singh
- · Replies 1 ·
What's the current from this circuit? Is it a short circuit or not?
- Helly123
- · Replies 11 ·
After collision the ball comes to rest, mass of the ball is?
- randomgamernerd
- · Replies 20 ·
Finding the electric field between two parallel plates
- LuigiAM
- · Replies 6 ·
What is the Average Acceleration of a Person Falling Off a Mountain?
- icesalmon
- · Replies 12 ·
Expected energy of a beta particle
- Richie Smash
- · Replies 25 ·
Simple Harmonic Motion in x direction
- Yubsicle
- · Replies 10 ·
Doubling speed in circular orbit to attain elliptical orbit
- ln(
- · Replies 3 ·
Marble rolling on ramp harmonic motion
- ln(
- · Replies 9 ·
Which Letter Represents a Star Similar to the Sun Based on Emission Spectra?
- Jimmy87
- · Replies 10 ·
Kinematics problem -- Calculating acceleration from the trajectory
- Victoria_235
- · Replies 14 ·
Weight of an object in static equilibrium
- Zack K
- · Replies 12 ·
Space vehicle separation by explosive bolts momentum problem
- NotVerySmart
- · Replies 2 ·
Pushing down on a block at an angle on a horizontal table with friction
- RekaNice
- · Replies 7 ·
Young's modulus and uncertainty
- Jahnavi
- · Replies 16 ·
Can Electromagnets Interact with Past Versions of Each Other?
- blainiac
- · Replies 2 ·
How to tell that the magnetic field is going into the page
- Perseverence
- · Replies 4 ·
Conflict in formulas P = IR^2 and P=delta v/r
- Perseverence
- · Replies 19 ·
Elastic collision between equal-mass balls with vector velocities
- upthechelsea
- · Replies 6 ·
Tension in string supporting meter stick after one string is cut
- Abu
- · Replies 7 ·
Calculate the work required to move the block
- AbbeyC172
- · Replies 28 ·
How Does a Lift's Acceleration Affect the Pulley System Dynamics?
- Victoria_235
- · Replies 3 ·
Invariant mass problem, elastic collision
- Silicon-Based
- · Replies 13 ·
How does changing the duration of a collision affect impulse
- AjPat
- · Replies 1 ·
Swinging road - harmonical movement
- Kosta1234
- · Replies 1 ·
Torque with "complex" object (static/equilibrium)
- Alex126
- · Replies 1 ·
Vertical circular motion in container
- Alex126
- · Replies 46 ·
What is constitutional undercooling?
- ScareCrow271828
- · Replies 1 ·
How do I calculate the force between a charged and a neutral sphere
- QaH
- · Replies 5 ·
Clay colliding with rotating stick: conservation of angular momentum
- Kosta1234
- · Replies 6 ·
Solving differential equation with Laplace transforms using partial fractions
- Cocoleia
- · Replies 3 ·
Find the point when velocity is momentarily zero
- vbrasic
- · Replies 5 ·
Gravitational potential energy of a coupled pendulum
- bolzano95
- · Replies 6 ·
Compton Scattering Homework: Wavelength & Angle Calculation
- romsoy
- · Replies 3 ·
Prove that (û⋅∇)F=û for position vector F
- namnimnom
- · Replies 3 ·
Bernoulli's Equation, Find gauge pressure at 2nd point
- Ishraq Begum
- · Replies 6 ·
Oscillatory motion equation in sine function
- grangr
- · Replies 6 ·
Mass of a picture in static equilibrium
- Zack K
- · Replies 8 ·
Find the electric field at the point 20cm above the centre
- Satellite7able
- · Replies 1 ·
Light wave Interference - Angler Fish Problem
- aatari
- · Replies 3 ·
How Does Apparent Weight Change for an Astronaut Near the Moon?
- Abu
- · Replies 5 ·
Explain How the Lamp in Circuit A Lights When Switch S is closed
- Richie Smash
- · Replies 13 ·
What is the relationship between induced emf and induced electric field?
- Pushoam
- · Replies 21 ·
What is the Charge Density in the Region 0<z<1 Using Gauss's Law?
- Jahnavi
- · Replies 6 ·
How to Calculate Force and Center of Pressure on a Submerged Plate?
- Jaydude
- · Replies 8 ·
Determine the smallest possible speed of the bob at A
- Alexanddros81
- · Replies 6 ·
Electric field from uniformly charged cylinder at different distances
- starstruck_
- · Replies 17 ·
Applications of Newton's laws (friction related)
- CAT 2
- · Replies 8 ·
Unit Vectors and Momentum Changes in a Block of Ice
- Troi Jones
- · Replies 7 ·
How do you calculate Electric Potential Energy in a Square?
- halo168
- · Replies 2 ·
Angle of Inclination Homework: Find θ at Ladder's Verge of Slipping
- SpiraRoam
- · Replies 9 ·
Paradox - different results for different viewers
- kajagoooooooo
- · Replies 18 ·
Work Problem: 3 kg Brick Falling 15 m - 441 J?
- Generally Confused
- · Replies 1 ·
Calculating the applied retarding force
- joejoe998
- · Replies 2 ·
Harmonic Series Emission in Organ Pipe Sound Sources
- crd2830
- · Replies 8 ·
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 ·