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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Projectile Question involving xyz coordinate plane
- icanletyougo
- · Replies 3 ·
What Is the Velocity of a Falling Rocket?
- Pius
- · Replies 6 ·
Man catching accelerating bus at 6.0 m away
- chawki
- · Replies 17 ·
Question regarding Moments of forces
- ZARman
- · Replies 2 ·
Kinetic energy and Potential energy
- omni
- · Replies 3 ·
Position in Spherical Coordinates
- funcosed
- · Replies 6 ·
Writing Kirchhoff's equations for a circuit with current sources
- amiras
- · Replies 4 ·
How Fast Should You Push the Box of Nails Down the Roof?
- pdonovan
- · Replies 3 ·
Question on impulse, does it assume elastic collision?
- SEMonChron
- · Replies 1 ·
Impulse/momentum/collision question
- dnt
- · Replies 3 ·
Acceleration of a mass down a decline (tricky)
- saltyload
- · Replies 8 ·
Work done by applied force pulling block up incline at constant speed
- mariners02
- · Replies 5 ·
Lorentz invariance of wave eqn.
- Hymne
- · Replies 1 ·
Biomechanics Problem- Impulse and projectile motion
- Talyyr
- · Replies 1 ·
Weight displaced and volume displaced?
- wrigglyworm
- · Replies 3 ·
Deriving velocity and position from an acceleration vs time graph
- MissJina
- · Replies 1 ·
Kinematics and quadratic formula question
- tehreem1
- · Replies 2 ·
Calculating Current in RC Circuit with Closed Switch
- arl146
- · Replies 4 ·
What is the direction of the acceleration ?
- starks.L
- · Replies 2 ·
Heat transfer mechanisms problem; Conduction
- ctpengage
- · Replies 4 ·
Calculating Angular Acceleration and Stopping Time for a Rolling Train
- kerbyjonsonjr
- · Replies 2 ·
Static Friction Problem - Physics I
- niravana21
- · Replies 10 ·
Finding currents with two EMF sources and resistors
- Blu3eyes
- · Replies 25 ·
Angular velocity of a conical pendulum in rpm
- kerbyjonsonjr
- · Replies 1 ·
Gravity assist mimicking elastic collision
- NJJ289
- · Replies 3 ·
Potential Energy of a pair of charges question
- fisixC
- · Replies 14 ·
How much work is required to bring a charge to the origin from a distant point?
- fisixC
- · Replies 6 ·
Experiencing same acceleration?
- aeromat
- · Replies 2 ·
Vector Operations - Resultant Ground Speed and Direction of Plane
- TheUppercut
- · Replies 17 ·
Calculating Molecules in Moles of Oxygen?
- cobrastrike
- · Replies 2 ·
Finding acceleration when force F pushes two blocks in contact
- aeromat
- · Replies 3 ·
2 Electric Charge Particles w/ acceleration?
- CinderBlockFist
- · Replies 7 ·
How Is Work Calculated When Lifting an Object Vertically?
- femmefatale8
- · Replies 9 ·
What is the speed of the particle at x=3.8 m?
- astr0
- · Replies 8 ·
Force necessary to support mass on Hydraulic Jack?
- jumpingjack90
- · Replies 7 ·
Finding Velocity with Work-Energy Theorum
- Exuro89
- · Replies 5 ·
Simple object falling to earth question
- wallz
- · Replies 7 ·
Parallel Circuit 2 batteries, solving for current of resistor
- SilentBlade91
- · Replies 7 ·
Finding battery EMF and internal resistance from ammeter and voltmeter readings
- rasmusuperfan
- · Replies 6 ·
Pontential energy in a 4-particle system
- Oldblood
- · Replies 2 ·
How Does the Biot-Savart Law Apply to a Wire Shaped in Two Half Circles?
- Kyousik
- · Replies 4 ·
Do both cars experience equal force in a collision?
- JL-Wsixx
- · Replies 7 ·
Direction of Magnetic Field Question
- mmmboh
- · Replies 4 ·
Finding individual masses of ice dancers pushing apart
- Patra
- · Replies 4 ·
Mass-to-charge ratio in a mass spectrometer missing factor of 2
- BecauseICan
- · Replies 1 ·
Calculating Tension in a Vertical Circle
- jasonbans
- · Replies 7 ·
Determining voltage in transformers
- SGL18
- · Replies 11 ·
Final pressure when two gases mix at different initial pressures
- Beer-monster
- · Replies 2 ·
Does atmospheric pressure affect water at the bottom of a glass?
- scientifico
- · Replies 16 ·
Why Did My Capacitance Measurement Exceed Expectations?
- flyingpig
- · Replies 23 ·
Speed needed for motorbike to jump a 4m wall from a ramp
- SteveJW
- · Replies 3 ·
How Does Friction Affect the Acceleration of Boxes on a Ramp?
- abel2
- · Replies 1 ·
Understanding Acceleration on a Moving Incline
- premitive1
- · Replies 2 ·
Calculating Force on Aircraft Carrier John F. Kennedy
- Exuro89
- · Replies 4 ·
How to integrate e^(-u^2) using polar coordinates
- Chronos000
- · Replies 3 ·
Pulley on an inclined plane
- xcrunner448
- · Replies 1 ·
Speed of a 2-ton car after coasting 100m with friction
- herbgriffin
- · Replies 2 ·
Rotational Kinetic Energy Problem
- Loppyfoot
- · Replies 5 ·
Finding components and resultant of three 5 N forces at point O
- Amuro
- · Replies 3 ·
Second body catching up to first body with constant velocity and acceleration
- tehmatriks
- · Replies 15 ·
A 200 mW horizontally polarized laser beam
- jlmessick88
- · Replies 7 ·
Recoil velocity when Superman throws a massive asteroid
- leehana10
- · Replies 2 ·
Understanding Voltage: The Relationship Between Electrons and Current
- pconstantino
- · Replies 15 ·
Solving a Problem with Non-Constant g: Expanding a Maclaurin Series
- didinyc
- · Replies 3 ·
Wavelength of a wave in a closed tube
- warfreak131
- · Replies 3 ·
Atwood Machine + Torque - need a nudge
- glossolalia
- · Replies 4 ·
Center of Gravity: Does It Have to be Inside Object?
- macmac410
- · Replies 1 ·
Need Help with 11 multiple choice Problems for Review
- creedreaper
- · Replies 6 ·
I think I am making this Work-Energy Problem to Hard
- curly_ebhc
- · Replies 5 ·
Definition of ampere in terms of a flow of electrons past a point in a wire?
- pokeefer
- · Replies 1 ·
Spacecraft launched from the earth
- xyd
- · Replies 15 ·
Simple Harmonic Motion: Block dropped onto a spring
- gravity_dress
- · Replies 1 ·
Work - Area under curve of F vs. d graph
- jtw2e
- · Replies 4 ·
Golf Ball Impact Force: Average Calculated
- LOannie234
- · Replies 5 ·
Work done by gravity on a object on an inclined plane
- hyuen9195
- · Replies 10 ·
How does friction affect the stopping distance of a moving crate?
- aeromat
- · Replies 2 ·
Measuring Coulomb's Forces with Torsion Balance
- Versus
- · Replies 3 ·
Horizontal component of gravity on inclined plane
- chudd88
- · Replies 4 ·
Sun Local Hour Angle and Latitude
- moja_a
- · Replies 9 ·
Calculate Force on Golf Ball Impact
- LOannie234
- · Replies 3 ·
What is acceleration due to gravity?
- Scarlet_pat
- · Replies 8 ·
Force exerted by water on a diver
- LOannie234
- · Replies 9 ·
How Does Spring Force Affect the Kinetic Energy of a Sliding Ladle?
- Theorγ
- · Replies 17 ·
Solving dv/dt = a₀ + kv for velocity
- Precursor
- · Replies 6 ·
Is my vector subtraction solution correct? East 13.9 North
- Michael_Light
- · Replies 1 ·
How to Measure G with a Compound pendulum
- rossildosil
- · Replies 3 ·
Calculating Speed, Angular Velocity, and Tension in Circular Motion of a Gymnast
- Scarlet_pat
- · Replies 19 ·
How Is Maximum Acceleration Calculated in a Harmonic Oscillator?
- loyol2degame
- · Replies 1 ·
Can a Conductor Maintain Electrostatic Equilibrium Without Free Charges?
- IDOGAWACONAN
- · Replies 1 ·
Joystick current and resistance
- Virusstudent
- · Replies 3 ·
Working out formula for cylindrical capacitor
- funnyguy
- · Replies 1 ·
Earth's charge and number of its electron per sq. meter
- Hooke's Law
- · Replies 9 ·
Pipe end stop velocity and impact energy at 1000 bar failure
- the Orbster
- · Replies 1 ·
How Does Angular Momentum Apply When a Door is Hit by Mud?
- mvpshaq32
- · Replies 3 ·
What is the volume of water in an inverted square pyramid with given dimensions?
- macmac410
- · Replies 5 ·
Solving Velocity of Trolley After Loss of Grains
- The legend
- · Replies 9 ·
Is r=L Always Valid for Centripital Force and Velocity in Circular Motion?
- Abhishekdas
- · Replies 2 ·
Simple harmonic motion of two pendulums
- Abhishekdas
- · Replies 7 ·
Homebrew Physics Problem: Projectile Motion with Camera Observation
- mettw
- · Replies 3 ·
Work of line integrals in vector field (2x²-3y, 4xy, 3x²z)
- Bibhatsu
- · Replies 6 ·