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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Kinematics - Constant Deceleration
- rtsphysics
- · Replies 2 ·
Position of a Proton in a Magnetic Field
- ZeroSum
- · Replies 6 ·
Using energy to solve circular motion problems
- flyingpig
- · Replies 3 ·
Solve Free Falling Object: Find Height of Ball
- Casimi
- · Replies 1 ·
Speed of a pendulum at its lowest point
- Runaway
- · Replies 2 ·
A block with springs and friction
- fallen186
- · Replies 4 ·
How Do You Calculate Sheet Resistance of a Copper Layer in an IC?
- sup17
- · Replies 3 ·
How Do You Calculate Tension in a Pulley System with Friction?
- howsockgothap
- · Replies 4 ·
Force between two parallel current-carrying rings of 25 cm radius
- dangish
- · Replies 1 ·
Easy Question, Sunspots Astronomy Umbra and Penumbral sunspot areas
- krhisjun
- · Replies 6 ·
Incline and Rotational Energy/Work
- Torater
- · Replies 14 ·
Deriving pressure formula with error propagation
- kristiine_c
- · Replies 1 ·
Energy and roller coaster question
- enapper
- · Replies 4 ·
Maximum force when a 58 gram ball hits a wall at 35 m/s
- googooloo
- · Replies 8 ·
Tension and acceleration when a falling mass spins a sphere
- Torater
- · Replies 34 ·
Calculating Tension and Acceleration in a Mass-Pulley System
- Torater
- · Replies 6 ·
Determine the muzzle velocity of a spring-launched projectiile.
- howsockgothap
- · Replies 2 ·
Fluid pressure in a U-shaped tube
- osker246
- · Replies 1 ·
Simple energy/kinematics problem
- maxbashi
- · Replies 2 ·
Angular velocity acquired by a non-conducting ring
- zorro
- · Replies 19 ·
How to Solve a Fluid Dynamics Problem with Bernoulli’s Equation?
- fysics4fun
- · Replies 2 ·
How Does Polishing Affect Heat Flow in a Gold Ring?
- musicmar
- · Replies 3 ·
Op-amp circuit with both terminals grounded
- thereddevils
- · Replies 8 ·
Deriving final velocity formula for elastic collision
- bsin
- · Replies 3 ·
Understanding Beat Frequency: Equations and Solutions
- thereddevils
- · Replies 6 ·
Went back to the field of charge around a ring problem
- seanm1
- · Replies 3 ·
Center of mass of right triangle, without calculus
- al_9591
- · Replies 1 ·
Electrostatics: cube with 3 charged walls
- Rimantas B.
- · Replies 3 ·
Average centripetal acceleration
- tica86
- · Replies 1 ·
How does the math for lever forces work in this scenario?
- jackrabbit
- · Replies 2 ·
How Far Should Rondo Compress the Spring to Hit the Target?
- bballcool34
- · Replies 1 ·
Calculate wavelength of electron
- okgo
- · Replies 3 ·
Simple harmonic motion rise and fall of water
- thereddevils
- · Replies 3 ·
How Do Newton's Laws Explain Motion with Two Carts and a Medicine Ball?
- shayboy4
- · Replies 1 ·
Question concerning initial velocity
- Casimi
- · Replies 4 ·
How Does St. Venant's Principle Apply to a Cut Annular Ring?
- jrm2002
- · Replies 6 ·
Linear expansion? Or area expansion?
- Patdon10
- · Replies 19 ·
Finding center of mass motion for a projectile system
- Kitten207
- · Replies 1 ·
Solving for the Wave Equation y(x,t)
- dangish
- · Replies 11 ·
Solving for interference orders in thin film with two wavelengths
- Anuj68
- · Replies 1 ·
Gauge pressure and mercury question
- stormnebula
- · Replies 4 ·
What is the relationship between Sound waves and temperatures?
- Soldat99
- · Replies 2 ·
Neutralizing Forces Between Electric Charges
- I Like Pi
- · Replies 4 ·
Metal Magnetic Flux 9: Calculate Induced Current & Resistance
- dangish
- · Replies 19 ·
The natural frequency of a mass-spring system.
- Blackplague
- · Replies 9 ·
Non ideal pulley with two masses
- Voitonic
- · Replies 2 ·
Can You Calculate the Force of a Basketball Using Mass and Acceleration?
- Peter G.
- · Replies 3 ·
Current through curling iron, strobe light, and other Ohm's law problems
- WMM
- · Replies 12 ·
Determining angular momentum of a point mass.
- howsockgothap
- · Replies 1 ·
Calculating Spring Compression from Toy Car Collision
- mksnider77
- · Replies 1 ·
Find Velocity of 4.3kg Mass Using Spring Constant 480 N/m
- lizlyn
- · Replies 5 ·
What is the acceleration of a charge near a solenoid?
- Tusike
- · Replies 5 ·
What Is the Minimum Velocity Needed for a Wheel to Climb a Step?
- TyloBabe
- · Replies 3 ·
Angular momentum problem starting from some point on the x-axis.
- raymondmax1
- · Replies 3 ·
How Do You Calculate the Mass M and Support Reaction for a Balanced Beam?
- Gwyddel
- · Replies 1 ·
Verifying Circular Orbit of a Spacecraft
- moondawg
- · Replies 1 ·
Lunar orbit question (calculating the mass ratio of earth and moon)
- jkena04
- · Replies 1 ·
What Is the Frequency of Oscillation for a Mass on a Spring?
- sharkasm
- · Replies 3 ·
Speed of Sound (warm air or cold air)
- anna sung
- · Replies 3 ·
Finding resultant force without knowing the angles
- future_eng
- · Replies 8 ·
Changing factor of centripetal acceleration
- dandy9
- · Replies 5 ·
Path Equation for 2D weakly-anisotropic harmonic oscillator
- lightbearer88
- · Replies 2 ·
How does the change in diameter relate to the change in length?
- demonslayer42
- · Replies 4 ·
Induced EMF and current in expanding square loop
- zorro
- · Replies 14 ·
Capacitor Problem: Calculating C1/C2 Ratio | Homework Statement & Equations
- thereddevils
- · Replies 8 ·
Conservation of linear momentum collision
- _buddha
- · Replies 1 ·
Standard deviation from measures with different uncertainty
- player1_1_1
- · Replies 2 ·
Very easy torque question which I can't solve
- amrmohammed
- · Replies 3 ·
Angular Acceleration Conceptual Question
- _buddha
- · Replies 1 ·
Thermal Expansion of a drinking glass
- mg1977
- · Replies 1 ·
What is the relationship between counting rate and rate of decay?
- Dars
- · Replies 1 ·
Final pressure when connecting two gas containers at different temperatures
- J.live
- · Replies 4 ·
Determining acceleration of an object in oscillatory motion
- howsockgothap
- · Replies 8 ·
Spaceship Escape speed understanding
- Patdon10
- · Replies 7 ·
Putting sound waves in phase problem
- darryw
- · Replies 1 ·
Manipulation of Wave Packet and Plane Wave
- Brilliant
- · Replies 1 ·
Two-block pulley system with friction using energy conservation
- _buddha
- · Replies 8 ·
Ideal Gas Law, Pressure equilibrium
- pengy44
- · Replies 1 ·
Why does a magnet slow down falling through a copper tube?
- tamtam402
- · Replies 3 ·
Buoyant force on 0.90 kg ice floating and submerged in water
- mg1977
- · Replies 10 ·
When the pot is on the point of slipping
- jk2455
- · Replies 1 ·
Finding initial velocity of basketball
- jk2455
- · Replies 3 ·
Thermal expansion bt. steel rule and vycor glass brick
- mg1977
- · Replies 6 ·
Help with orbital angle problem 9a and 9c
- diovan
- · Replies 1 ·
When to resolve normal force vs weight in circular motion problems?
- pb23me
- · Replies 4 ·
Estimating Nucleons in a 85 kg person.
- titan81
- · Replies 6 ·
Signs and limits of integration for potential from a charged rod
- uhty
- · Replies 11 ·
How Do You Calculate Energy and Velocity of a Mass on a Spring?
- agilic
- · Replies 22 ·
What's the Induced Voltage in a Coil Removed from a Magnetic Field?
- agilic
- · Replies 7 ·
Why Does a Tippe Top Lift Off the Ground When Spun Quickly?
- al_9591
- · Replies 2 ·
Calculating Time for Truck-Trailer Combination to Pass Bridge
- zdickz
- · Replies 2 ·
Operation algebra: prove [A,f(A)]=0
- itai
- · Replies 1 ·
Fundamental frequency of a pipe half-filled with water
- crybllrd
- · Replies 5 ·
Calculate Tension at Midpoint of Rope w/ Mass
- madah12
- · Replies 9 ·
Swing angle for man to match car's kinetic energy
- jcfor3ver
- · Replies 2 ·
Pressure drop and mass flow rate for orifice meter
- tweety1234
- · Replies 1 ·
What is the value of ω for a RLC AC circuit with given parameters?
- musiliu
- · Replies 3 ·
How Far Did the Robber's Car Travel in 6 Seconds with a Forgotten Brick of Gold?
- jk2455
- · Replies 5 ·
Help finding error in projectile motion calculation
- Matt1234
- · Replies 2 ·
Solving the P-V Diagram Ratio of p2/p1
- aub
- · Replies 1 ·