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 motion off a raised surface
- KarlBu
- · Replies 3 ·
Conceptual questions about magnetism
- channel1
- · Replies 1 ·
Momentum and Energy problem, conservation.?
- student1234
- · Replies 1 ·
Magnetism and Magnetic Fields- Determining mass of ion
- alyssadlt85
- · Replies 1 ·
Does throwing iron overboard change the canal lock water level?
- kevinnn
- · Replies 4 ·
Problem regarding linear momentum
- sankalpmittal
- · Replies 8 ·
Using Energy and Impulse to Solve a Mass on a Spring Problem
- quark001
- · Replies 2 ·
How Does the Sun's Position Affect Gravitational Acceleration on Earth?
- quark001
- · Replies 1 ·
Circular motion velocity components problem
- quark001
- · Replies 1 ·
Problems about calculating acceleration,velocity
- acelya
- · Replies 7 ·
How Does Spinning a Mass Affect Atomic Spacing in a Wire?
- quark001
- · Replies 1 ·
Find Potential of Disk of Radius R, Charge Q w/ Equ 1
- Miike012
- · Replies 3 ·
Ping Pong Ball Projectile Launcher
- vania1711
- · Replies 1 ·
How long it takes to discharge capacitor when switch is opened
- Avalanche
- · Replies 6 ·
Show that m varies with v in theory of relativity
- Feodalherren
- · Replies 8 ·
Small ball on top of big ball angle of departure
- guitarphysics
- · Replies 12 ·
High voltage distribution to reduce power loss
- quanticism
- · Replies 18 ·
Finding friction work on an inclined plane with height and distance
- idllotsaroms
- · Replies 3 ·
Can a single resistor be both in series and parallel with a battery?
- JJBladester
- · Replies 7 ·
Error equation for the balmer series
- wahaj
- · Replies 4 ·
How Does Current Distribution Affect Magnetic Fields?
- CAF123
- · Replies 1 ·
Charge distribution on two conducting spheres connected by wire
- gralla55
- · Replies 3 ·
Normal and Tangential Coordinates
- Northbysouth
- · Replies 1 ·
Plane heading south climbing at 60 km/hr with northwest wind
- PatrickE
- · Replies 16 ·
Parcel sliding down 12 m chute with friction
- Alhussaini
- · Replies 3 ·
How Does Impulse Affect Momentum in Physics?
- bona0002
- · Replies 8 ·
Current Loop in a nonuniform magnetic field
- PEZenfuego
- · Replies 6 ·
Torque Provided By A Rocket's Thrust
- cjavier
- · Replies 2 ·
Magnetic field due to two wires
- Siune
- · Replies 4 ·
How does putting batteries in series increase voltage?
- Felchi
- · Replies 8 ·
Relative velocity boat crossing a river
- Woolyabyss
- · Replies 3 ·
Understanding Inertial and Non-Inertial Reference Frames
- Bostonpancake0
- · Replies 5 ·
Combined Electric field for two charges using electric potential
- gralla55
- · Replies 7 ·
Combination of spherical lenses
- jo 92
- · Replies 2 ·
Mechanical Energy: Does a Moving Block Have Potential Energy?
- KTiaam
- · Replies 2 ·
Rocket Project - need to find mass of rocket to reach 15 m altitude
- ganoobinator
- · Replies 2 ·
Max Speed for 5142857 N Weight: Calculate Here
- Sneakatone
- · Replies 4 ·
Circular Motion, Massless String - Swinging Rock
- Shaku
- · Replies 24 ·
Can a Spring-Propelled Mass Clear the Gap on a Frictionless Ramp?
- mgerman63016
- · Replies 6 ·
Solar model spreadsheet gives negative values in columns I and J
- PeteWheatstraw
- · Replies 3 ·
Why Does Electric Field Direction Vary with Negative Gradient in Physics?
- Miike012
- · Replies 2 ·
At what point does the jumper attain maximum acceleration?
- Sneakatone
- · Replies 5 ·
Force to get a crate to overcome static friction
- CollegeStudent
- · Replies 6 ·
AC Electronics Problem (Problem with Peak values)
- septentriones
- · Replies 2 ·
Object Dropped From 500m: Solved with Differential Equations
- my-space
- · Replies 3 ·
The required energy to split up an Oxygen atom
- Gliese123
- · Replies 5 ·
Mass of Jupiter given a Moon's mass, orbital velocity and distance.
- contrivance
- · Replies 3 ·
Conservation of Energy in a Spring-Powered Glider on an Incline
- student34
- · Replies 2 ·
An infinite charged line moving with velocity V and its energy current
- Verdict
- · Replies 8 ·
Work done by tension, friction, and gravity on a 50 kg mass pulled up an incline
- KTiaam
- · Replies 9 ·
Calculating Error in Horizontal Velocity for Bouncing Ball Experiment
- physicssss
- · Replies 2 ·
Electric field inside a conducting spherical shell enclosing a charged sphere
- assaftolko
- · Replies 6 ·
How do I calculate the total momentum after collision?
- diorific
- · Replies 13 ·
Where is the Point of Zero Gravitational Force Between Earth and the Moon?
- Plutonium88
- · Replies 16 ·
Reference Frames: Understanding Elevator Motion
- Bostonpancake0
- · Replies 3 ·
Is friction a point or distributed force?
- tofurke
- · Replies 1 ·
Find the max velocity of the steam in a steady-flow adiabatic nozzle
- theBEAST
- · Replies 2 ·
Coulomb's Law, what charge will make the two charges in static eq.
- rocapp
- · Replies 6 ·
Rotational Dynamics of a Bicycle wheel
- Special K213
- · Replies 3 ·
Finding Length and Diameter Of A Wire
- Bashyboy
- · Replies 2 ·
Electric field at a charged spherical surface using Gauss's law
- gralla55
- · Replies 8 ·
How can the pebble stay on the wheel as it rolls?
- cacofolius
- · Replies 2 ·
Momentum collision between the ball and the floor
- physicssss
- · Replies 3 ·
Center of Mass and Translational Motion
- mmravunac
- · Replies 12 ·
Finding the Time Constant in a circuit
- mlb2358
- · Replies 1 ·
Sound waves propagation and the doppler effect
- Jalo
- · Replies 1 ·
Calculate Centroid of Hemispherical Dome w/ Top Removed
- jiboom
- · Replies 3 ·
How to Find the Second Moment of Area for a Rectangle with a Circular Cutout?
- jiboom
- · Replies 5 ·
Calculating Rx for a 0 Reading on Voltmeter - Ohm's and Kirchhoff's Laws
- lendav_rott
- · Replies 4 ·
A rotating disk with two attached masses that slide without friction
- cacofolius
- · Replies 6 ·
Electric Field outside charged metal sphere
- dpb613
- · Replies 2 ·
Solving Two-Horse Stump Pulling Problem: Find F2
- Toranc3
- · Replies 4 ·
Caesium 137 is an unstable isomer
- binbagsss
- · Replies 13 ·
Magnetic field of a Coaxial Cable
- evanclear
- · Replies 1 ·
(Optics) Why is lecturer in risk of getting speeding ticket?
- Mixer
- · Replies 10 ·
Moment of inertia and angular acceleration
- physicssss
- · Replies 3 ·
Why does the normal force affect friction?
- jumbogala
- · Replies 2 ·
What to solve for in specific heat energy problem
- Violagirl
- · Replies 6 ·
How to normalize Schrodinger equation
- warnexus
- · Replies 5 ·
Solving system of equations to find angle and energy of Au atom and α
- amr55533
- · Replies 3 ·
What is the role of Shot and Scold in the entropy equation?
- theBEAST
- · Replies 4 ·
How to Convert Rotations per/sec to radians per second
- KTiaam
- · Replies 2 ·
Rotation Problem: Angular Displacement & Spin Time Calculation
- KTiaam
- · Replies 4 ·
What are the forces acting on a boat crossing a still lake at a constant speed?
- djstar
- · Replies 3 ·
How to find power from gallons?
- Sneakatone
- · Replies 6 ·
Electric Field in 3 Parallel Plates
- Broem
- · Replies 2 ·
Merry go round Rotation Problem
- KTiaam
- · Replies 3 ·
Finding velocity at t = 5.0s with initial velocity 2.8 m/s
- KTiaam
- · Replies 3 ·
Speed and direction of Velocity Vector - Inelastic
- garretts16
- · Replies 12 ·
What is the total resistance of the part of the circuit shown in the picture?
- lendav_rott
- · Replies 4 ·
Radioactive Decay - Gaussian or Poisson
- binbagsss
- · Replies 1 ·
Putting a Compass in a Magnetic Field
- joel amos
- · Replies 1 ·
Calculating the Rotational Inertia
- iAmKhanz
- · Replies 1 ·
Which block falls off the table first? - Elastic collision
- garretts16
- · Replies 1 ·
Three Bulbs in a Circuit, two parallel, one series.
- Creaturemagic
- · Replies 2 ·
Where Could the Error Be in My Momentum Equation Calculation?
- MMCS
- · Replies 1 ·
Rocket thrust, mass, speed given initial m and fuel consumption rate?
- rockchalk1312
- · Replies 4 ·
Determining the direction of current on a wire?
- riseofphoenix
- · Replies 16 ·
What is the inverse triangle symbol represent?
- Outrageous
- · Replies 2 ·
Why does a solenoid induce the same EMF direction when a magnet enters and leaves?
- jinhuit95
- · Replies 7 ·