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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What Is the Frequency of Oscillation When a Mass Suspends from a Spring?
- RJLiberator
- · Replies 33 ·
How to find mass of a meterstick from torque
- ZurasE
- · Replies 3 ·
How to solve for coefficient of static friction with mass
- Don2727
- · Replies 13 ·
Gravitational Self Potential Energy
- Rmehtany
- · Replies 6 ·
Calculate Weight of Block & Meter Stick | Torque Problem Solution
- ZurasE
- · Replies 1 ·
Work done by friction (rolling resistance)
- Rumplestiltskin
- · Replies 2 ·
High School Egg Drop project tips
- Oceanus
- · Replies 2 ·
Simple Harmonic Motion equation rearrangement?
- spacealgae
- · Replies 1 ·
The difference in mechanical energy of a satellite
- Kare Skinnebach
- · Replies 5 ·
Determining the number of antinodal and nodal lines
- superconduct
- · Replies 7 ·
Find emf and the inner resistor of the battery
- prishila
- · Replies 7 ·
Patient treatment with photon beam
- Shinobi
- · Replies 2 ·
Simplifying SI Units: What Quantity Does JNW⁻¹kg⁻¹ Denote?
- 1729
- · Replies 5 ·
Derivation of Rutherford Scattering - angular momentum
- alexjean
- · Replies 1 ·
Rotational Inertia, Torque and Angular Acceleration (1Q)
- Sam Cepeda
- · Replies 2 ·
Find the average angular acceleration of the sprinter
- x2017
- · Replies 2 ·
How Is Impulse Calculated in a Baseball Pitch?
- master_333
- · Replies 6 ·
Vertical rise of liquid at the back of a linearly accelerating tank....
- hotjohn
- · Replies 3 ·
How Many Vibrations Does a 880Hz Violin String Make Over 332m?
- Sace Ver
- · Replies 4 ·
Calculate Speed of Red Ball Falling From 26m
- Thewindyfan
- · Replies 2 ·
Projectile trajectory problem with constraint
- jacksmith2296
- · Replies 5 ·
Forces on an Object Sliding at 8.0 m/s
- jacob friedman
- · Replies 1 ·
What is q and what is the charge (negative or positive)?
- SkyHawkProfessor
- · Replies 1 ·
Jones Vectors and Polarization
- Yoni V
- · Replies 7 ·
Calculating Distance When Two Cars Pass on I-74: 1-D Kinematics Problem
- Thewindyfan
- · Replies 2 ·
What is the significance of the velocity gradient formula u(y) = y(V) / l?
- hotjohn
- · Replies 2 ·
What is the speed of sound in air at atmospherical conditions?
- Sace Ver
- · Replies 4 ·
Why is the pressure gradient equal to -2ρg instead of ρg in physics?
- hotjohn
- · Replies 5 ·
Build a piece of equipment that can break the descent....
- our7thheaven
- · Replies 7 ·
Speed of each vehicle after the collision?
- M Malone
- · Replies 1 ·
Two Cars Colliding: When Do They Meet?
- Walan
- · Replies 2 ·
Calculating Work Done by Car Engine
- Nanu Nana
- · Replies 8 ·
Solving Two People Clapping Problem on Road
- TristanRE
- · Replies 6 ·
What is the relative area of a rectangular field?
- Julian102
- · Replies 8 ·
Calculating Electric Field Using Gauss' Law for a Charged Insulating Slab
- Elvis 123456789
- · Replies 12 ·
Calculating Net Torque on Wheel Axle
- Jam51
- · Replies 7 ·
Electric fields between parallel plates
- halo168
- · Replies 1 ·
Calculating microstates and entropy
- b100c
- · Replies 5 ·
Two voltage sources and two loads, how to approach this one
- kostoglotov
- · Replies 2 ·
How Does Charge Affect Motion in Outer Space?
- halo168
- · Replies 1 ·
What are the equations for calculating velocity with varying acceleration?
- Magnets Yo
- · Replies 18 ·
Waves & Optics Homework: Polarization Through Weakly Scattering Fluid
- squeak
- · Replies 2 ·
How to Normalize a Wavefunction with Modulus x?
- Jimmy87
- · Replies 18 ·
How does polarizing light demonstrate the transverse nature of light waves?
- hchakal
- · Replies 14 ·
PV^lamba=constant in an isentropic Flow
- jb95
- · Replies 7 ·
Virtual Work to find equilibrium condition
- Ren
- · Replies 1 ·
Calculating Forces and Angles in a Model Plane System
- Ch3m_
- · Replies 2 ·
Max Speed for 55kW Motor Lifting 4800kg Mass
- Rumplestiltskin
- · Replies 9 ·
Find the Minimum Length of a Vibrating String
- vijayramakrishnan
- · Replies 7 ·
Find the change in temperature during adiabatic compression
- Titan97
- · Replies 2 ·
Need help solving some equation regarding velocity, distance
- Kenzo333
- · Replies 4 ·
What Is the Effective Temperature and Luminosity of Star A?
- JoAstro
- · Replies 6 ·
Newtonian Mechanics/Forces Question
- MyNameIsNicholas
- · Replies 4 ·
The End of the Ski Jump - Optimizing Launch Angle
- Bdhillon1994
- · Replies 9 ·
Find the magnitude and direction of the acceleration of the
- ShadowKing1234
- · Replies 1 ·
Calculate Orbital Radius of Planet X
- bobo1455
- · Replies 7 ·
Solving Physics Homework: Frequency Change
- Scholar1
- · Replies 6 ·
Find Velocity and Time from an Acceleration vs Time Graph
- CGI
- · Replies 23 ·
Solve Pressure Problem: Car Lift of 1000kg, 1atm Overpressure
- Nanu Nana
- · Replies 9 ·
Angular Acc. Homework: Calculate Centripetal & Angular Acc.
- Jam51
- · Replies 2 ·
Floating on Ice: Calculating Volume Needed to Stay Afloat
- Nanu Nana
- · Replies 37 ·
Simple Harmonic Motion - Determine quadrant for phase angle.
- OmniNewton
- · Replies 23 ·
Potential energy in concentric shells
- gracy
- · Replies 64 ·
Is My Calculation for Free Fall Acceleration Using a Single Photogate Accurate?
- Greenarrow
- · Replies 5 ·
Flow of energy in a cylindrical conductor
- kent davidge
- · Replies 7 ·
Archimedes Principle: Calculating Relative Density for a Block of Oak and Lead
- Nanu Nana
- · Replies 12 ·
Motion equation in the vertical plane along a cylinder
- AntoineCompagnie
- · Replies 3 ·
Maximum Kinetic Energy from a Physical Pendulum
- xoxomae
- · Replies 7 ·
Understanding the Temperature Effects of Land and Sea Breezes
- Drizzy
- · Replies 1 ·
Number of photoelectrons liberated
- erisedk
- · Replies 4 ·
Electromagnetic induction graph
- erisedk
- · Replies 7 ·
Finding the tension on lifting chains
- ted potts
- · Replies 7 ·
Centripetal acceleration formula
- BensonCa
- · Replies 4 ·
Torque and Net Force Calculations
- olmanketslat
- · Replies 1 ·
Ideal fluid flow velocities & pressure
- cheddar87
- · Replies 7 ·
Find Velocitiy from an Acceleration vs. Displacement Graph
- CGI
- · Replies 7 ·
Need help with velocity, acceleration, time and distance
- Kenzo333
- · Replies 11 ·
Disintegration Energy of Beta Plus Decay
- xoxomae
- · Replies 6 ·
Calculating to mass of a water column above a specific point
- Emily Chetner
- · Replies 8 ·
Throwing a Ball and determining possible angles.
- CGI
- · Replies 12 ·
How do I draw a free body diagram of a car on a slope?
- Chozen Juan
- · Replies 4 ·
How Do Gear Ratios Affect Stepper Motor Performance in Lock Systems?
- AC130
- · Replies 3 ·
Properties of a Star Homework help
- Haydn Ellis
- · Replies 3 ·
Understanding G and γ in Volume Flow Rate Calculations
- hotjohn
- · Replies 2 ·
What is the Science Behind Wet-Bulb Temperature and Evaporative Cooling?
- Absentee
- · Replies 1 ·
Rotation in a cylindrical cylinder (fluid)
- hotjohn
- · Replies 1 ·
Incremental rotary encoder motor help
- AC130
- · Replies 4 ·
Amplitude and Young double slit experiment
- MBBphys
- · Replies 1 ·
How Does the Wavelength Change at the Fourth Resonance in a Closed Air Column?
- hamza2095
- · Replies 7 ·
Light reflecting off sphere -- Momentum transfer
- Dazed&Confused
- · Replies 7 ·
How Far Does a Tuning Fork Tine Travel in One Minute?
- Sace Ver
- · Replies 5 ·
Why do lower temperatures result in lower specific heat capacity?
- Reety
- · Replies 7 ·
Wave Speed & Distance: Solving Wave Problems
- Sace Ver
- · Replies 8 ·
Conceptual Question on acceleration and circular motion
- RoboNerd
- · Replies 6 ·
Switches changing brightness of bulbs
- AstroJMT42
- · Replies 11 ·
What is the Current Passing Through a 5mH Inductor in Steady State?
- Suraj M
- · Replies 18 ·
Finding the total translational KE of 1kg of Neon
- Will Griffiths
- · Replies 4 ·
How to Calculate Work on an Object with Varying Position-dependent Force?
- mcmuffinpopper
- · Replies 5 ·
How to Use Symbols to Solve a Ramp Problem?
- Flinze
- · Replies 2 ·
Total energy of the flowing fluid
- goldfish9776
- · Replies 1 ·