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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Classical Probability with a falling ball problem
- dweeegs
- · Replies 1 ·
Find distance when slipping down the roof of a sky dome stadium
- totallyclone
- · Replies 2 ·
Conservation of Angular Momentum of Bug Problem
- tylertwh
- · Replies 11 ·
Resolution for a lens from a diffraction standpoint
- rm_girl
- · Replies 7 ·
Possible to find the direction of magnetic force if angle isn't 90?
- Arooj
- · Replies 1 ·
Get the Best Physics Final Exam Help with Comprehensive Study Guides"
- laneybaney
- · Replies 2 ·
When a bird flies into a bar; solving for angular velocity
- tylertwh
- · Replies 1 ·
A bullet hits a rod; find the angular velocity
- tylertwh
- · Replies 7 ·
Find the current flowing through resistor
- dinospamoni
- · Replies 3 ·
Electromagnetism direction rule
- Jabababa
- · Replies 1 ·
Bug Jumps off a rod; what is the angular velocity of the rod
- tylertwh
- · Replies 11 ·
How Does Electric Potential Affect Proton Movement?
- CheetoFang
- · Replies 1 ·
Do Braking Distances Prevent a Collision in This Scenario?
- limonade
- · Replies 2 ·
Finding angular acceleration from deceleration
- Sneakatone
- · Replies 2 ·
How Do You Calculate the Spring Constant in a Frictionless System?
- CollegeStudent
- · Replies 13 ·
Height of a fluid in a small tube
- Ampere
- · Replies 8 ·
What is the maximum force exerted on a bullet lodged in a block?
- kminkel
- · Replies 7 ·
Balloon volume at depth and steam-ice mixture final mass
- booooo
- · Replies 6 ·
Amount of kWh used to heat water
- rullervea
- · Replies 1 ·
Damped Simple Harmonic Motion - Finding drag constant
- elemis
- · Replies 1 ·
Determining at which point the electric field is zero
- ughhphysics
- · Replies 1 ·
Geostationary satellite collision - Orbits
- unscientific
- · Replies 7 ·
Combining Resistors and Capacitors
- megaspazz
- · Replies 4 ·
How Does Simple Harmonic Motion Apply to Physical Pendulums?
- cjavier
- · Replies 4 ·
Why are both pressures atmospheric in Torricelli's theorem?
- kashan123999
- · Replies 4 ·
What is the magnitude of an electric field at a certain time?
- tinabelcher_13
- · Replies 1 ·
Simultaneous equations approach to projectile motion problem
- memoguy
- · Replies 13 ·
How Does Physics Explain a Fly Sticking into Cake Icing?
- goli12
- · Replies 1 ·
Kinetic Energy Formula definition explanation
- Selina94
- · Replies 2 ·
How many particles of air do their lungs contain after inhaling?
- booooo
- · Replies 14 ·
Calculate Force for Torque of 16Nm Using Spanner Length 24cm
- coconut62
- · Replies 6 ·
Work energy efficiency car problem
- freshcoast
- · Replies 13 ·
How to calculate the torque required to move the gear?
- aiklone1314
- · Replies 5 ·
What is the Work Done by Gravity on an Object Moved Straight Up?
- NathanLeduc1
- · Replies 2 ·
Determine the absolute Velocity and Acceleration of Particle A
- Northbysouth
- · Replies 7 ·
Kinetic and Potential Energy on a roller coaster
- NathanLeduc1
- · Replies 5 ·
Escape velocity for object on Earth
- thyrgle
- · Replies 3 ·
Drawing Relative Velocity/Triangle Diagrams?
- kmizzle
- · Replies 11 ·
What is the Total Work Required to Drive a Screw Completely into Wood?
- Gingrbreadman1
- · Replies 5 ·
Finite Differences Method for Physics
- fredrogers3
- · Replies 9 ·
Determine electric field at point P, Electric fields question
- riken9
- · Replies 8 ·
Roller Coaster Problem with KE and PE
- chris61986
- · Replies 3 ·
Conservation of momentum question. (which is the correct method)
- chestycougth
- · Replies 6 ·
Solving Mass-Spring System: Find Spring Constant & Max Stretch
- CollegeStudent
- · Replies 7 ·
Hula Hoop Rotational Motion Problem
- elemons
- · Replies 1 ·
Frequency away from an oscillating body
- roberttk01
- · Replies 1 ·
A charged rod transfers electrons to a neutral conductor
- RichardEpic
- · Replies 5 ·
HELP Is my answer correct? Is negative Friction possible?
- 13physicsdude
- · Replies 8 ·
Scale Design Using an Angle Measurement for Weight
- BamaChemE
- · Replies 14 ·
Why does the kinematics equation have a 1/2 factor for acceleration?
- RubenL
- · Replies 2 ·
Inner product space norm and orthogonal complement
- binbagsss
- · Replies 7 ·
How Do You Calculate Resistance in a Circuit with Only One Current Source?
- Questions999
- · Replies 5 ·
Finding acceleration, velocity, and time for simple harmonic motion
- andreaumali
- · Replies 1 ·
How to Calculate Hydrostatic Force and Center of Pressure on a Gate?
- salomatik
- · Replies 2 ·
Simple electric flux through tetrahedron problem
- kirby2
- · Replies 7 ·
How is Work Done on an Object Thrown Up an Inclined Plane Calculated?
- Felafel
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Special Relativity, simultaneity and spatial separation
- zhillyz
- · Replies 9 ·
Location and Magnification of Coin's Final Image
- phunphysics2
- · Replies 2 ·
Conductance of 2 bodies: Is it dependent on geometry?
- Arkavo
- · Replies 3 ·
Find the tension in the wire - Heat and thermodynamics
- exuberant.me
- · Replies 5 ·
Sound waves - Detector and a moving wall
- Saitama
- · Replies 21 ·
What Is the Electromagnetic Force on an Electron in Given Fields?
- Roodles01
- · Replies 3 ·
Twin Source Interference - Radio Towers
- elemis
- · Replies 7 ·
The maximum speed the truck can go without sliding
- goli12
- · Replies 3 ·
Cart pulled by lighter hanging mass with friction
- 13physicsdude
- · Replies 3 ·
Time for melting and vaporising a wax candle
- kotchenski
- · Replies 9 ·
Elastic vs Gravitational Energy of a System
- GoGoGadget
- · Replies 1 ·
Damped Harmonic Motion - Oscillating Spring
- elemis
- · Replies 4 ·
Applying conservation of momentum to find recoil of the Earth
- cherry_cat
- · Replies 6 ·
Equivalent Capacitance for 4 capacitors of same capacitance
- nasdogster
- · Replies 1 ·
Using Torque and Tension to find the rate of decreasing tension
- QuickSkope
- · Replies 13 ·
Calculating the torsion constant
- andreaumali
- · Replies 1 ·
Finding tension in a net supporting a suspended object
- MicahP
- · Replies 1 ·
Finding acceleration of box- given mass of box and magnitude of frict
- 13physicsdude
- · Replies 1 ·
Gauss Law? Average charge density
- Roodles01
- · Replies 10 ·
Finding momentum of a two-block system
- cherry_cat
- · Replies 2 ·
Trouble determining the slope of the graph
- riseofphoenix
- · Replies 14 ·
Which Quality Does a Fired Cannonball Lack?
- freshcoast
- · Replies 7 ·
Finding the Resistance in an RC Circuit
- hamhamt
- · Replies 3 ·
Inductance and Magnetic Energy of a Straight Wire
- AJKing
- · Replies 1 ·
How do I show that the four-gradient is a four-vector?
- Unicorn.
- · Replies 11 ·
Calculating Energy Loss (Kinetic Energy) and Output
- Hearzy
- · Replies 8 ·
Work required to increase Earth/Moon separation
- tony873004
- · Replies 5 ·
Beat frequency from moving and stationary horns at 410 Hz
- icecubz
- · Replies 3 ·
Particle in an Electric and Magnetic Field
- kinof
- · Replies 4 ·
Is there a net force as someone jumps?
- student34
- · Replies 9 ·
What is the Lorentz Transformation for t'?
- climb515c
- · Replies 1 ·
Energy of twin source interference
- elemis
- · Replies 11 ·
Finding resistance in an LC Circuit (FM Radio)
- Renaldo
- · Replies 4 ·
Efficiency of engine taking diatomic ideal gas through cycles
- jensgt
- · Replies 6 ·
Why does someone with normal vision not need glasses?
- Xelb
- · Replies 3 ·
Work Energy Problem: Calculate Fg and m in Constant Velocity Scenario
- TheRedDevil18
- · Replies 3 ·
Torque for a hanging sign. Finding Tension
- Jbreezy
- · Replies 2 ·
How can a guitarist avoid breaking strings when tuning?
- myrek
- · Replies 1 ·
Angular speed + moment of inertia
- MicahP
- · Replies 8 ·
Work done by weight on a 700 kg crate pushed up a 30° incline
- Legerity
- · Replies 7 ·
Find the Capacitance when the switch is closed
- SalsaOnMyTaco
- · Replies 6 ·
Statics, forces in each memeber of a truss
- jonjacson
- · Replies 7 ·
Sound waves - Destructive Interference
- Saitama
- · Replies 6 ·
Gravitation equations and expressions - gravitational field strength
- dory
- · Replies 1 ·