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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Net force on charge q0 from two other charges
- StephenDoty
- · Replies 3 ·
Electric Force in the y-z plane
- StephenDoty
- · Replies 1 ·
Force extension graph displacememt to Kenetic energy
- Roberto2391
- · Replies 3 ·
The 1000 kg Rocket (the RIGHT problem)
- Phoenixtears
- · Replies 1 ·
Simple units conversion (km/h -> m/s)
- oggfile
- · Replies 3 ·
Equilibrium of forces acting at a point
- changd
- · Replies 1 ·
Electrostatic Force and Superposition Principal
- shadowfox745
- · Replies 3 ·
Falling object traveling 23.5 m in 1.60 s before hitting ground
- akbro93704
- · Replies 1 ·
Current in a Complicated Circuit
- Cefari
- · Replies 4 ·
Mag of impulse required to change speed question.
- Coletrain12
- · Replies 2 ·
Scaling hydrogen atom to football field size
- jimen113
- · Replies 5 ·
Box on cart stopping distance with friction coefficient 0.3
- sedaw
- · Replies 9 ·
Heat energy out of 500 w halogen bulb?
- vishnukorde
- · Replies 9 ·
Why is the kinetic friction always smaller than the static friction?
- photobillyli
- · Replies 15 ·
Net electric field midway between two point charges
- th3plan
- · Replies 1 ·
Is Angular Momentum Conserved in a System of Rotating Coils?
- i_island0
- · Replies 3 ·
Understanding Capacitor Networks: 120+(-60), 30+(-90)
- herich
- · Replies 4 ·
How to find equivalent resistor and capacitor networks
- herich
- · Replies 4 ·
Meter stick and particle collision with angular rise
- rohanprabhu
- · Replies 6 ·
Finding Electric field magnitude of a wire
- Oomair
- · Replies 1 ·
Train braking distance from 112 km/h to a stop in 2.3 min
- imac
- · Replies 4 ·
A lead ball is dropped into a lake
- Phoenixtears
- · Replies 1 ·
Velocity & Speed Homework: Average Speed & Velocity
- -EquinoX-
- · Replies 17 ·
A balloon is rising at 19 m/s when
- imac
- · Replies 3 ·
Average velocity for two segments at different speeds
- afcwestwarrior
- · Replies 12 ·
UN PHYS 220A - Physics friction problem - why take smaller steps on ice?
- ritwik06
- · Replies 8 ·
How Do You Solve Problems With Significant Figures?
- Bubofthedead
- · Replies 5 ·
Initial and final pressure in a cooling piston-cylinder with spring
- krnhseya
- · Replies 4 ·
Equation of Motion for a Particle Under a Linear Restoring Force
- davesface
- · Replies 2 ·
The Influence of Distance on Torque in Rotating Systems
- chandran
- · Replies 1 ·
Magnetic Field, Potential, Velocity
- fredrick08
- · Replies 21 ·
Is my solution correct? About Rotational motion
- noppawit
- · Replies 6 ·
A Student throws a ball straight up
- Phoenixtears
- · Replies 4 ·
Solve Oscillation Problems: Find Mass m with Frequency Change
- Shackleford
- · Replies 2 ·
Plasticine dropped on a block - Oscillation
- herich
- · Replies 9 ·
Will an EMF be Induced in a Stationary Coil in a Constant Magnetic Field?
- chukie
- · Replies 7 ·
How to Rearrange the Formula d=Vft-1/2at^2 to Solve for a
- annjolino
- · Replies 3 ·
Find Charges for Red and Yellow Sphere at Origin
- StephenDoty
- · Replies 3 ·
Electric field strength in a parallel plate capacitor
- annjolino
- · Replies 10 ·
Why Taking Torques About the CG Matters for Motorcycle Riders
- lonewolf5999
- · Replies 13 ·
Calculating the Velocity of Snowballs Thrown at 40°
- keweezz
- · Replies 5 ·
Kirchoff's Rule - circuit with 3 batteries
- brazen2
- · Replies 1 ·
Electrostatic force including coulombs law
- th3plan
- · Replies 1 ·
Destructive Interference in Sound Waves
- cmerickson21
- · Replies 5 ·
Pull tab of beverage containers
- noppawit
- · Replies 2 ·
Is Motion Always Governed by Newton's First Law?
- possum30540
- · Replies 2 ·
Heat transfer through two metal bars
- kidsmoker
- · Replies 1 ·
How Long Does It Take for a Transverse Wave to Travel Through a Whirling Rope?
- kidsmoker
- · Replies 8 ·
Where would you place a proton to produce this field at the origin?
- cowmoo32
- · Replies 8 ·
Two batteries in the same circuit
- Mårten
- · Replies 5 ·
Energy in capacitors in complicated circuit
- Mårten
- · Replies 1 ·
Projectile motion - small rock thrown at beehive
- annjolino
- · Replies 28 ·
How Do You Calculate the Center of Mass of a Nonuniform Bar Suspended by Wires?
- PSEYE
- · Replies 2 ·
HW about presure and wight I need your consulting
- sky08
- · Replies 5 ·
Quick dimensional analysis question check
- jianxu
- · Replies 7 ·
Dimensional analysis of trigonometric and polynomial equations
- ashimb9
- · Replies 5 ·
Finding mass and charge of two particles from acceleration and separation
- th3plan
- · Replies 3 ·
What Simple Objects Can Be Modeled as Particles?
- alex_nicole
- · Replies 2 ·
Position, Acceleration, and Velocity of an Elevator
- Phoenixtears
- · Replies 3 ·
Energy in Capacitor: Solving C1 = 10microF, C2 = 20microF
- Mårten
- · Replies 4 ·
What is the minimum image-object distance in a single lens system?
- kehler
- · Replies 3 ·
Problem with tension on two strings at angles
- lilmissbossy
- · Replies 20 ·
Solving for Shear Stress Using Tau and Nu
- krnhseya
- · Replies 6 ·
What does the ¡Ø symbol mean in physics equations?
- Tweek
- · Replies 5 ·
Can MisFOILing Impact Equation Outcomes?
- Banaticus
- · Replies 1 ·
Calculate the gravitational force of the moon
- annjolino
- · Replies 5 ·
How High and How Long Does a Baseball Travel When Hit Straight Up at 41 m/s?
- wadesweatt
- · Replies 8 ·
Equations for Ideal Heat Engine Efficiency Calculation and Exhaust Temperature
- annjolino
- · Replies 6 ·
Work Done by Friction on 0.97 kg Ball Starting at h=9.9m
- Iamaskier721
- · Replies 5 ·
Calculating the Longest Visible Wavelength for Thin Film Interference
- hayowazzup
- · Replies 2 ·
Silicon resistivity and conductivity at different temperatures
- MSEN
- · Replies 4 ·
What was the total time of fall?
- keweezz
- · Replies 2 ·
A motorist avoiding hitting a deer
- hsbc2003
- · Replies 1 ·
What Height Will the Block Reach After Leaving the Spring?
- Iamaskier721
- · Replies 1 ·
Force between two halves of a charged insulated sphere
- roya
- · Replies 22 ·
How to Calculate Work on an Inclined Surface?
- Iamaskier721
- · Replies 3 ·
What are some practical ideas for A-Level advancing physics coursework?
- Steph191290
- · Replies 3 ·
Projectile Motion, Gravity, Parametrics
- seao111
- · Replies 2 ·
Assighment question based on Tension
- Krist
- · Replies 1 ·
Kirchhoff and Potentials question.
- Soliduz
- · Replies 5 ·
Mass of water in leaking container as function of time
- afcwestwarrior
- · Replies 3 ·
How Fast Must a Salmon Jump to Clear a 1.9m Waterfall?
- kkumar
- · Replies 9 ·
Angular velocity and acceleration from sampled knee angle data
- clokey34
- · Replies 4 ·
How Much Work is Done Pushing a Crate Up a Plank?
- lilmissbossy
- · Replies 2 ·
Calculating Force and Direction of Coulomb's Law Problems
- roy_ament
- · Replies 3 ·
What is the maximum height reached by the block after hitting the spring?
- Iamaskier721
- · Replies 10 ·
Why are pressure and displacement 90 degrees out of phase in sound waves?
- Gear300
- · Replies 1 ·
Linearizing a parabolic graph of a projectile motion
- OhyesOhno
- · Replies 17 ·
What are the capacitance and inductance of the circuit?
- rissa_rue13
- · Replies 15 ·
Total angular momentum quantum number
- learning_phys
- · Replies 1 ·
Deriving the formula for double slit diffraction as in Young from Fraunhofer
- NanakiXIII
- · Replies 4 ·
Aircraft drops package find vertical distance
- qwerty3
- · Replies 9 ·
Flowerpot going up and down past a window
- azure kitsune
- · Replies 4 ·
Two cars meeting - acceleration?
- Caitlin.Lolz.
- · Replies 4 ·
Normal force between incline and tabletop with sliding block
- tanzl
- · Replies 4 ·
How much of a kick's force goes into spin when kicking a ball off-centre?
- kehler
- · Replies 1 ·
Understanding Velocity and Gravity in Basic Physics Equations
- The_ArtofScience
- · Replies 1 ·
What Vertical Forces Act on a Leaning Ladder at the Point of Slipping?
- blade_chong
- · Replies 5 ·
Eletric field within a cavity of a cylinder.
- PenKnight
- · Replies 1 ·
How Do You Determine the Magnitude of Electric Charges on the X-axis?
- kdaerdna
- · Replies 8 ·