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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Finding magnitude and direction of equilibrant.
- Obama
- · Replies 1 ·
Loop the Loop (circular motion)
- Trentonx
- · Replies 3 ·
Multiple choice questions about SHM
- phys1618
- · Replies 4 ·
Lightning Strike: Examining Electric Field, Capacitance & Power
- bkl4life
- · Replies 1 ·
Inner and Outer Radius of a Sphere
- jumbogala
- · Replies 3 ·
Rock tossed straight up-Velocity question
- xgoddess210
- · Replies 4 ·
Photoelectric effect compared to the particle theory
- *intheclouds*
- · Replies 1 ·
How Do You Calculate Voltage Drops in a Simple Circuit?
- dasblack
- · Replies 6 ·
Magnetic and Electric Fields - Theory
- starless.aeon
- · Replies 1 ·
Circular motion (magnitude of radial acceleration)
- mohdhm
- · Replies 7 ·
Confused know how to do it one way but not the other.
- camboguy
- · Replies 1 ·
Gauss: Conducting Spherical Shell w/ Point Charge
- calvert11
- · Replies 1 ·
I hope that helped.How to Find Energy Stored in a Parallel-Plate Capacitor?
- gunitsoldier9
- · Replies 6 ·
Two resistors and total resistance
- bkl4life
- · Replies 6 ·
How Is Object Distance Calculated for Image Reduction with a Diverging Lens?
- DMOC
- · Replies 3 ·
Gauss's Law- Flux through surface
- chipperh
- · Replies 4 ·
Proving EM Waves Equations: E = Emsin(kx-ωt) and B = Bmsin(kx-ωt)
- noppawit
- · Replies 5 ·
Calculating Flux for Hemispheres of Different Radii
- Seraph404
- · Replies 3 ·
Fluid question (includes bears)
- yayitsrobby
- · Replies 13 ·
How Does Gauss's Law Apply to Multiple Charged Sheets?
- Seraph404
- · Replies 1 ·
Mass sliding down an inclined plane (True/False)
- FAJISTE
- · Replies 2 ·
Why Do Large Sparks Jump from Leather Belts in Machinery?
- bkl4life
- · Replies 4 ·
Time Dilation: Finding Velocity & Age Difference
- Nitric
- · Replies 4 ·
How do you find the direction and magnitude from a nucleus?
- itsmarasilly
- · Replies 1 ·
Elastic potential energy problem needs to be checked
- phys1618
- · Replies 5 ·
Work/Energy vs. Force Questions
- adhishyajnik
- · Replies 2 ·
Kinematics - Acceleration in Two Dimensions. Stuck.
- mattstjean
- · Replies 4 ·
How Do You Draw a Free Body Diagram for a Box and Truck in Motion?
- plshelpme
- · Replies 1 ·
Temperature variation of resistance
- dasblack
- · Replies 2 ·
In a certain region of space, the electric field E is uniform.
- xxaznitex
- · Replies 5 ·
What is the magnitude of the electric field
- xswtxoj
- · Replies 14 ·
Just need Simple Harmonic Motion problem checked
- phys1618
- · Replies 11 ·
Request Assistance with Gauss's Law- Surface charge of sphere
- chipperh
- · Replies 3 ·
How to Determine Amplitude and Maximum Speed in Spring Motion?
- Vengeance
- · Replies 7 ·
Collision Physics: Solving for Angle Between Initial Velocities
- sameapple
- · Replies 21 ·
Power dissipated in the inductor
- noppawit
- · Replies 3 ·
Why Does Electric Potential Vary Inside and On the Surface of a Charged Sphere?
- erinec
- · Replies 1 ·
Circular motion and static friction of earth
- brownie24
- · Replies 1 ·
Electric Field magnitude problem help
- Seraph404
- · Replies 1 ·
What is the acceleration of a crate with two applied forces and friction?
- gharada
- · Replies 2 ·
Question why is there a negative sign
- camboguy
- · Replies 1 ·
Radioactive decay: How can you tell which is the daughter & parent?
- erinec
- · Replies 4 ·
Throwing Rocks: Analyzing Horizontal & Vertical Motion
- liz777
- · Replies 2 ·
What is the Relationship Between Force and Equilibrium in a Tug-of-War?
- zell_D
- · Replies 2 ·
What is the work required to arrange charged objects in a right triangle?
- phy112
- · Replies 4 ·
Pushing at a downward angle with friction
- casedogg
- · Replies 4 ·
How do you estimate the mass of a nucleus?
- erinec
- · Replies 1 ·
Electric Force/ Electrical Fields
- xswtxoj
- · Replies 11 ·
How Is Initial Power Calculated in a Plutonium-238 Powered Pacemaker?
- erinec
- · Replies 1 ·
What is the speed and direction of the wind in this vector problem?
- jemerlia
- · Replies 9 ·
Electric Force/ Electrical Fields
- xswtxoj
- · Replies 14 ·
Momentum Problem involving projectile.
- fjyuirt
- · Replies 1 ·
How Do You Calculate Forces and Velocities in Physics Problems?
- chops369
- · Replies 1 ·
What is the magnitude of the force of repulsion between them?
- xswtxoj
- · Replies 8 ·
How Do You Determine the Direction of a Moment in Statics?
- th3plan
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What is the Resultant Force of Multiple Vectors Acting on a Point?
- roxxyroxx
- · Replies 2 ·
Calculating Next 3 Harmonics of a Standing Wave
- Nano
- · Replies 3 ·
Determine the magnitude of the normal force exerted by the table
- cacaluch
- · Replies 5 ·
Find Vector Components: A (17, 27°), B (26, 75°)
- susyq232
- · Replies 1 ·
Reflecting Prism Homework: Min Refractive Index & Ray Path
- crystalplane
- · Replies 1 ·
How Does Wave Speed Vary Along a Hanging Rope?
- phil ess
- · Replies 1 ·
Calculating Flux in Three Spherical Shells with Varying Charge Distributions
- Obama_US
- · Replies 3 ·
Boat wavelength oscillation problem
- phys1618
- · Replies 4 ·
Understanding Self-Induction: Calculating Current Growth Rate
- sagda_m2
- · Replies 1 ·
Simple harmonic motion: why cant you divide by cos?
- connor415
- · Replies 6 ·
Calculating IR Illuminator Power Output and Beam Area | Help on IR Light
- mchi5cf2
- · Replies 1 ·
Calculating Wavelength of Surface Waves on a Lake
- phys1618
- · Replies 4 ·
Ball Hitting Rod: Minimum Speed for Full Rotation
- vladimir69
- · Replies 14 ·
Heat energy of a monatomic gas
- TFM
- · Replies 12 ·
HW: What is energy used? What is wattage?
- JerseyGirl
- · Replies 2 ·
Work on a proton in uniform magnetic field
- Elbobo
- · Replies 7 ·
Kinematics rock thrown up in air
- ankit arya
- · Replies 2 ·
Calculating Charge on 10cm Diameter Sphere: 3700V
- FuzzyDunlop
- · Replies 3 ·
How Hot Does a Flashlight Bulb Get When Turned On?
- wayneinsane
- · Replies 3 ·
Magnitude of Force on Q1 with Three Point Charges
- las90
- · Replies 3 ·
Help with a conservation of heat problem
- discordplus
- · Replies 1 ·
What is the ratio of t to r in a set of equations involving p, q, r, s, and t?
- bluepillow
- · Replies 4 ·
Solve Dynamics Problem: Calculate x- and y-components of Position & Velocity
- hkapoor
- · Replies 3 ·
What is the formula for determining wavelength in different mediums?
- proskier
- · Replies 2 ·
Sine wave & reflection question?
- shintashi
- · Replies 2 ·
Finding Angular Velocity: Two Sphere Problem
- ritwik06
- · Replies 6 ·
Quick question: If a car speed increases, does its weight increase or decrease?
- wajed
- · Replies 3 ·
A very long uniform line of charge has a charge per unit length of 4.82 uC/m
- xxaznitex
- · Replies 1 ·
What is the maximum acceleration in m/s^2 the cart can undergo
- TG3
- · Replies 7 ·
Particle is moved - Work-kinetic energy
- Fendergutt
- · Replies 1 ·
Magnetic field solar wind question
- johnson.3131
- · Replies 1 ·
Two conducting hollow spheres, a point charge and electric field prob
- bocobuff
- · Replies 5 ·
How Do You Calculate Electric Potential Energy in a Multi-Charge System?
- synergix
- · Replies 1 ·
Newton's Laws of Motion on a rocket
- plshelpme
- · Replies 3 ·
Do Opposing Light Beams Pass Each Other at the Speed of Light?
- iPhysicsi
- · Replies 1 ·
Coulomb's law, balancing a ball with point charges
- theneedtoknow
- · Replies 3 ·
Electric field between two charged plates
- -EquinoX-
- · Replies 8 ·
Parallel resistanee is reciprocal of the sum?
- Lokhtar
- · Replies 1 ·
How Does Charge Distribution Affect Electric Field Inside a Shell?
- -EquinoX-
- · Replies 11 ·
Calculating Electrons in Silver Pin: 10g Mass, 47 e-/atom
- jessedevin
- · Replies 7 ·
What are some different ways to find the thickness of aluminum foil?
- miss.fabulous
- · Replies 8 ·
Two strings spinning rock- tension
- TG3
- · Replies 1 ·
Glide Distance of Piper Warrior w/ Engine Shut Off
- moy13
- · Replies 5 ·
Finding the speed with kinetic friction
- dominatesean
- · Replies 2 ·
Work and Kinetic Energy of meteorite
- TinaMarie
- · Replies 2 ·