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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6kg object falling 1.8m onto a spring with k=2×10³ N/m
- smartdude00111
- · Replies 3 ·
Firing mortar and cliff edge, Feynman Lectures 4.17
- Jabedi13
- · Replies 4 ·
What Is the Voltage Between Points a and b?
- Eman 5
- · Replies 4 ·
Thermodynamics: Free Energy Confusion
- WWCY
- · Replies 1 ·
Central Maximum Shift Due to Glass Slit in Double Slit Experiment
- MathIsFun
- · Replies 3 ·
What Is the EMF of a Cell with Given Energy Dissipation and Current?
- SUSUSUSUSUSUSUSU
- · Replies 4 ·
Just want a little hint related to magnetization
- core1985
- · Replies 4 ·
Conceptual Laplace's/Poisson's Equation Solution Questions
- Dobuskis
- · Replies 2 ·
Is the Total Charge of Polarization in a Non-Homogeneous Dielectric Zero?
- Granger
- · Replies 2 ·
Earth's Energy Balance: Calculating Albedo, Absorptivity, and Emissivity
- il27
- · Replies 1 ·
Problem ODE from mechanics equation
- Another
- · Replies 2 ·
Exhaust velocity of a fire extinguisher
- Thijs982
- · Replies 8 ·
Constrained Motion of a Pair of Rods
- Viraam
- · Replies 9 ·
Why is the height of point 2 same as point 3?
- EastWindBreaks
- · Replies 2 ·
Average velocity with equal distance or time segments
- mrgenius24
- · Replies 8 ·
Calculating Work Required to Stretch a Spring by Additional Distance
- RGBolton95
- · Replies 1 ·
What is the equation for kinetic energy of a bicycle?
- aron silvester
- · Replies 1 ·
Is There an Easier Method for Solving Truss Problems?
- yecko
- · Replies 1 ·
Why do we use diameter instead of radius to find velocity in discus throwing?
- eglaud
- · Replies 12 ·
Electric field in a capacitor with a dielectric
- Granger
- · Replies 5 ·
Pressure reported from a water line, gauge or absolute?
- EastWindBreaks
- · Replies 5 ·
Wave constructive destructive interference
- Tarnjot Bains
- · Replies 2 ·
How Do You Calculate Velocity and Acceleration from a Position Vector?
- Seven of Nine
- · Replies 3 ·
Finding coefficients of static and kinetic friction for a 5 kg box
- AnnaRiddle
- · Replies 1 ·
Surface Charge density of glass cyclinder
- Taylor_1989
- · Replies 6 ·
Max Velocity of Damped/Undamped Spring
- Fascheue
- · Replies 22 ·
I am off by one decimal and I cannot see the error in my work
- pemby
- · Replies 7 ·
Is the mass of Liquid N2 and its rate of mass loss related?
- Dazzabaijan
- · Replies 10 ·
When can the thermodynamic identity be used for entropy changes?
- WWCY
- · Replies 10 ·
Questions about finding dBm values
- Mohamed Abdul
- · Replies 5 ·
How Does a Dog Running on a Ball Affect Its Motion on an Inclined Plane?
- Joshua Benabou
- · Replies 11 ·
Resultant Force and Acceleration of Space craft
- Rapid A
- · Replies 6 ·
Tension required to tune a string to the note of ##E_2##
- thomas19981
- · Replies 1 ·
Forces on a plane in level flight
- Kira12
- · Replies 2 ·
Calculating force to tip over a cabinet (static equilibrium)
- Mitch17
- · Replies 11 ·
Why is the second approach incorrect? pulley problem
- EastWindBreaks
- · Replies 12 ·
Super Fun Rollercoaster Problem
- eglaud
- · Replies 3 ·
Force on a Circular Loop Due to an Infinite Wire
- uselesslemma
- · Replies 4 ·
How Do Hydraulic Systems Apply Pascal's Law?
- Abu
- · Replies 5 ·
Finding the velocities of two balls before they touch each other
- Eitan Levy
- · Replies 3 ·
Electric Field and Kinematic Equations for Acceleration and Time Calculations
- khuliso
- · Replies 5 ·
Spherical conductor shell problem
- Granger
- · Replies 19 ·
Speed of an object sliding down
- AlexanderIV
- · Replies 17 ·
Energy converted to heat in inelastic collision and center of mass frame
- Vriska
- · Replies 5 ·
Calculating the Force Needed to Push a Sofa Up an Inclined Plane
- aesoccer11
- · Replies 3 ·
Conservation of Momentum With Changing Mass
- Fascheue
- · Replies 6 ·
Basic Forces and Motion Problem (friction)
- Nragis
- · Replies 2 ·
Calculate the vertical motion of a piece of debris from an explosion
- starstruck_
- · Replies 3 ·
Kirchhoff's laws with missing data in circuit problem
- Peter R
- · Replies 10 ·
Finding time using Impulsive forces and momentum
- WarOwk
- · Replies 5 ·
Find tension of a rope and kinetic force
- ruskointhehizzy
- · Replies 13 ·
Equivalent Resistance of Figure
- Yealtas
- · Replies 19 ·
Inelastic Collision with a Mass attached to a Rod
- yellowcakepie
- · Replies 9 ·
Finding the speed to orbit Deimos
- aron silvester
- · Replies 1 ·
RLC Circuits - Q Factor and Amplitude
- wjdgone
- · Replies 3 ·
Combining High and Low Pass Filters
- waley
- · Replies 2 ·
Why does friction exceed the gravitational component on a 30° incline?
- Cooojan
- · Replies 11 ·
What is the largest pulling force before the string breaks?
- Johnny1999
- · Replies 13 ·
Thermodynamic Identity: Chemical Potential
- WWCY
- · Replies 3 ·
How to find the volume of an irregular porous material like a sponge
- Nishaaa
- · Replies 11 ·
Determine the shear stress in the bolts
- Shivansh Joshi
- · Replies 4 ·
Calculation of the net force on a test charge
- Quanta
- · Replies 19 ·
Good coordinates and degrees of freedom
- Sahar Ali
- · Replies 2 ·
The path of the 3.6-kg particle P is an ellipse
- Alexanddros81
- · Replies 3 ·
Finding water rocket height from 7.35 second hangtime
- Justin Murphy
- · Replies 14 ·
Finding moment of inertia of a cylinder with a falling mass
- dross
- · Replies 2 ·
Cloverleaf highway interchange - determine car acceleration
- Alexanddros81
- · Replies 5 ·
Deriving motion equations for two blocks on a rough table
- TonyV
- · Replies 11 ·
How Much Energy Is Needed to Move and Rotate a Weighted Tray Using Rubber Tires?
- Home Improvement
- · Replies 3 ·
Average Force of two people pushing away on carts
- Tasdel
- · Replies 11 ·
What Is the Speed of Five Coupled Freight Cars After a Collision?
- Sandro Romualdez
- · Replies 4 ·
How Can an Astronomer Derive the Distance to Alpha Centauri B?
- Physics Dad
- · Replies 1 ·
What is u in the equation for delta U=m(u2-u1)?
- EastWindBreaks
- · Replies 17 ·
Calculating the velocity and acceleration given vector velocity at 1 second
- mdavies23
- · Replies 52 ·
Residence time of SO2 in the atmosphere
- il27
- · Replies 14 ·
How Can You Calculate Saturn's Mass Using a Telescope and Stopwatch?
- Abu
- · Replies 9 ·
What does the constant u represent in the equation of motion d²x/dt² = −u/x^n?
- I am Meaningless
- · Replies 4 ·
Newton's laws of motion problem -- Knife penetrating cardboard
- Shivansh Mathur
- · Replies 13 ·
What Is the Molar Heat of Transformation for Phosphine at 30.29 K?
- patrickmoloney
- · Replies 1 ·
Finding torque by integration of weight
- Cooojan
- · Replies 12 ·
Puck bouncing off fence momentum and force calculation
- Tasdel
- · Replies 15 ·
Superposition of Two Waves on a String: Amplitude and Wavelength Calculation
- dlc_iii
- · Replies 1 ·
Ranking velocity vs speed differences for two accelerating objects
- Christie
- · Replies 2 ·
Finding velocity given radius and acceleration
- KLI897
- · Replies 1 ·
How Much Power Does a Jogger Expend Against Air Resistance?
- Nick1234284
- · Replies 1 ·
Refresher on pulling weight on a wheel
- Home Improvement
- · Replies 12 ·
Brightness of bulbs depending on their watt level
- momowoo
- · Replies 11 ·
Suvat - Two cars approach each other on a straight road
- monkfishkev
- · Replies 11 ·
Projectile Motion of football receiver
- emilytm
- · Replies 9 ·
Acceleration of a block on a moving wedge
- fontseeker
- · Replies 6 ·
How to find internal energy with constant temperature?
- EastWindBreaks
- · Replies 3 ·
Image Magnification: Find Height of Image with f=42
- Noreturn
- · Replies 5 ·
Magnetism: magnetic feild strength of a wire
- physicsStudent00
- · Replies 3 ·
Dew Point -- will we be able to see our breath?
- il27
- · Replies 27 ·
Percentage of Block Energy Dissipated
- Masrat_A
- · Replies 1 ·
Slope of Force vs Frequency^2 and Radius vs Period^2 Graphs
- Stormblessed
- · Replies 6 ·
Dimensional Analysis involving power
- d97
- · Replies 7 ·
Deriving position y(t) for projectile with gravity and air resistance
- Cooojan
- · Replies 7 ·
Dynamics and Circular Motion Problem
- Joseph Hotto
- · Replies 3 ·