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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Balance the force to find the angle
- rfig08d
- · Replies 1 ·
Why would high-voltage transmission cables disturb a car's radio reception?
- I Like Pi
- · Replies 2 ·
Find tension and acceleration of 2 blocks stacked
- ILoveTurtles
- · Replies 20 ·
[Classical Mechanics] Just need some conceptual help (rolling and friction)
- nonequilibrium
- · Replies 8 ·
Principle of the conservation of the momentum problem
- mini-mynta
- · Replies 2 ·
Calculating the corresponding percentage
- adam640
- · Replies 1 ·
Circuits: Average Power Absorbed by Elements
- Saladsamurai
- · Replies 2 ·
Work/KE/PE Problem: Solving for Stone Compression Distance
- mvpshaq32
- · Replies 1 ·
Hydroelectricity - salt vs fresh water
- mariothingy
- · Replies 4 ·
Deriving Linear Transformations - Special Relativity
- erok81
- · Replies 2 ·
Is the 'Semicircle' in the PV Diagram Actually a Semi Ellipse?
- issacnewton
- · Replies 2 ·
Circuits: Draw Equivalent Resistance
- Saladsamurai
- · Replies 5 ·
Basic relativity problem - Lorentz Transformations
- Akhilleus
- · Replies 4 ·
Elastic Collisions: Conserving Momentum, But Not K.E.?
- binbagsss
- · Replies 2 ·
Why Does the Charge of a Lead Nucleus Affect Electric Field Calculation?
- mimictt
- · Replies 3 ·
Two light sources against a wall
- menco
- · Replies 1 ·
Solve Kirchoff's Laws Homework: R1-R5, i1=1mA
- Liquidxlax
- · Replies 6 ·
Pendulum amplitude after 5 minutes
- jmm5872
- · Replies 1 ·
Help with basic physics problem.
- jameslat
- · Replies 23 ·
Length of a massive elastic string hung by it's end
- Heirot
- · Replies 13 ·
Why does a person on a bus move to the back when the bus accelerates?
- Peter G.
- · Replies 5 ·
Very simple problem about wavelength, just a double check on work
- vande060
- · Replies 4 ·
Electric field in plate capacitors
- alreadytaken
- · Replies 4 ·
So, a = 10 cos 80° i + 10 sin 80° jb = 6 cos 40° i + 6 sin 40° j
- Kaldanis
- · Replies 2 ·
How Do You Calculate the Y-Bar for an I-Section?
- thomas55
- · Replies 6 ·
Conceptual question using Coulomb
- unrstudent
- · Replies 3 ·
How to Solve a Converging Lens Problem?
- kikko
- · Replies 3 ·
Question about stress and strain
- hoyy1kolko
- · Replies 1 ·
Projectile Motion From Cliff Homework: Solving for Distance and Time
- crazskier29
- · Replies 1 ·
Centripetal acceleration in a roller coaster loop
- void_2
- · Replies 2 ·
Final velocity, incomplete equation (answear included)
- bcoolplayer
- · Replies 17 ·
How many electrons have been removed from a positively charged electroscope?
- mimictt
- · Replies 5 ·
What is the Mean Absolute Deviation for Daily High Temperatures in St. Louis?
- smashedpumpki
- · Replies 2 ·
How Do Piston Forces Compare in Balancing Different Masses?
- Garrant3
- · Replies 4 ·
What is the Time Limit for Boarding the Bobbing Boat?
- patricoles
- · Replies 4 ·
Dynamics (Newtons Laws of Motion) and Projectile motions
- jelzap
- · Replies 4 ·
What is the acceleration of the mass along the table?
- lennyp
- · Replies 5 ·
Calculate the mass of ice with heat transfer / latent heat
- adam640
- · Replies 3 ·
Coulomb's Law and electrostatic force
- SAGHTD
- · Replies 3 ·
How Do You Solve These Simultaneous Differential Equations?
- masej
- · Replies 1 ·
Does Freezing Increase the Density of an Unknown Fluid?
- bobred
- · Replies 3 ·
How does the voltage on the inductor change over time?
- SimpliciusH
- · Replies 15 ·
What is the Ideal Gas Equation for Calculating Gas Properties?
- max0005
- · Replies 11 ·
Newton's Law of Cooling Problem
- AdkinsJr
- · Replies 3 ·
Calculating the 'Wavelength' Of the first harmonic
- mHo2
- · Replies 4 ·
Questions on Energy changes on a ball
- adam640
- · Replies 4 ·
AZING! Understanding the Carnot Cycle: Heat, Work, and Internal Energy
- NvZnPhysics
- · Replies 1 ·
Rotational Dynamics Homework: 2 Rings M & 4M
- Mandeep Deka
- · Replies 3 ·
Boulder on a hill (Vectors and components)
- asqwt
- · Replies 13 ·
Electric field due to a Linear charge density
- enkerecz
- · Replies 4 ·
Why does laser on a hair/wire creat a single slit?
- Gabrielgabbe
- · Replies 1 ·
Comparing Sounds: 80 dB, 30 dB, and 50 dB
- homevolend
- · Replies 1 ·
How Do You Calculate Velocity from an Acceleration-Time Curve?
- Audaciter
- · Replies 5 ·
Calculating Electric Force on q1 using Coulomb's Law: Example Problem"
- BerserkGene
- · Replies 14 ·
Theory of Ammeters: Does it Affect Current Measurement?
- cupid.callin
- · Replies 2 ·
Torque and Equilibrium question
- SPCPhysicss
- · Replies 5 ·
What is the Blood Pressure at Different Heights?
- ana111790
- · Replies 2 ·
Confirming Velocity Direction After Inelastic Collision
- tobywashere
- · Replies 5 ·
Bungee Jumper Acceleration and Distance Problem
- tjb1
- · Replies 2 ·
What is the differential equation model for this Mass Spring Damping system?
- IState21
- · Replies 9 ·
Calculating Net Forces and Distance Traveled of a Puck
- -Dragoon-
- · Replies 1 ·
Calculating the electric field line at a point with a circular field charge
- greenskyy
- · Replies 4 ·
Object Oscillation: Vmax & Amax Known
- Student3.41
- · Replies 10 ·
Submerged Fraction of Hollow Glass Sphere
- Fruityloop
- · Replies 8 ·
How Do You Calculate Stopping Distance?
- zeo2396
- · Replies 3 ·
How Do I Calculate the Net Force on Sphere A in This Coulomb's Law Problem?
- mimictt
- · Replies 4 ·
Finding the number of electrons in a given substance
- ENCgirl
- · Replies 2 ·
Magnitude of Electric Force Between Two Ions
- tylerc1991
- · Replies 1 ·
Projectile fired along an incline
- asap9993
- · Replies 5 ·
Tension and Acceleration on Blocks
- colourpalette
- · Replies 6 ·
Tricky Dynamics Kinematics Trajectory Problem
- icefisherman
- · Replies 2 ·
Electric potential, infinite nonconductin sheet and particle
- jegues
- · Replies 1 ·
Pressure in a Cylindrical Tank
- SeannyBoi71
- · Replies 4 ·
Measuring Voltage Divider Output with Real Voltmeters
- dancergirlie
- · Replies 1 ·
Physics Homework: Calculating the Area of a Large Square with a Circle Inside
- BraindeadX64
- · Replies 10 ·
Calculating how far a golf ball will travel on a green before it comes to rest?
- gprice9
- · Replies 2 ·
Boulder explodes into four pieces
- Glissando
- · Replies 7 ·
What Is the Compression of the Spring When the Box Reaches Maximum Speed?
- kliang1234
- · Replies 10 ·
Capacitance of a variable capacitor
- astenroo
- · Replies 9 ·
Understanding Conventional Current & EMF: Answers to Your Questions
- Student_93
- · Replies 5 ·
Thermal question: Reversible cycle
- Beer-monster
- · Replies 26 ·
What is the Maximum Velocity for a Sphere to Just Roll Over a Rod?
- zorro
- · Replies 14 ·
Solving Capacitors Earthed MCQ: V1, V2 Values
- cupid.callin
- · Replies 24 ·
Using Coulombs Law-Comparative Analysis
- wilson_chem90
- · Replies 3 ·
Calculate Normal Force in Mass M & m Slope System with no Friction
- mystmyst
- · Replies 9 ·
Young's Modulus: Calculate from Length, Radius, Elongation & Weight
- monkeymak7
- · Replies 5 ·
Contradiction between Torque and Linear Motion in Rolling Motion
- zorro
- · Replies 22 ·
Frictional Force: Solve 2m/s in 2s
- frostsabre
- · Replies 2 ·
What is the center of mass if square D is placed on top of square B?
- oceans93
- · Replies 2 ·
Calculating Distance from Starting Point with Uniform Acceleration
- eoneil
- · Replies 9 ·
Time Between max speed and max acceleration on a spring
- Hypnos_16
- · Replies 22 ·
Pulling force for Bosun's chair?
- Theorγ
- · Replies 5 ·
Ideal Gas Carnot engine refrigeration
- supermanii
- · Replies 3 ·
Pushing a ball vs Punching a ball
- aerosmiths
- · Replies 1 ·
Global Warming: What Happens to Day Length if South Pole Melts?
- hy23
- · Replies 5 ·
Help me calculate drag on objects in water
- torpedohead
- · Replies 2 ·
Finding the angle of a pendulum in SHM
- t246335
- · Replies 1 ·
Find the maximum vertical height inc of the ball
- moondawg
- · Replies 1 ·
Thermal expansion and coefficient of linear expansion
- hils0005
- · Replies 1 ·