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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Force and acceleration and graphs
- Physicshelpneeded
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How Do I Draw a Scale Diagram for Two Forces Acting on an Object?
- Physicshelpneeded
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Unsatisfied with Borland C++: Needing Assistance
- SeaBorne
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Atmosphere height with linearly decreasing air density
- Zorodius
- · Replies 5 ·
Bucking bull SHM and hollow sphere pendulum period
- Brianjw
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Why Should the Boat Head in a Specific Direction to Cross the River Quickly?
- mikeyman2010
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Finding distance, time, and acceleration for v=2x-9/x
- faust9
- · Replies 9 ·
Calculating Distance Using Speed and Time: A Kinematics Problem
- Omid
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Defferentiate this to simplest formy=a+bcosx/b+acosx
- lakshmi
- · Replies 15 ·
Resources for secondary math teachers and NCTM membership worth it?
- 1+1=1
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How do you finish tests faster?
- Mark
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Calculating Kerosene Tank Height from Leak Rate
- daisyi
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Calculate RPM of 100m Diameter Space Habitat for Simulated Gravity
- galoshes
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Fish maintaining position in water
- Zorodius
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Intersecting Planes and Solving Systems of Equations
- StonedPanda
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Particle Equilibrium: Solving for the Minimum Angle in a Roller System
- Artifex
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Why does a boulder fall as fast as a pebble, and can a horse pull a buggy?
- dajugganaut
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How does the PE of the activated complex compare to that of the reactants?
- BlackCatXIII
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Solving Physics Problems: Forces and Acceleration
- 1moretry
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Solve Lead Sinker Problem: Volume & Weight Calculation
- daisyi
- · Replies 2 ·
Solve Kinematics Problems: Pentium 1 Computer, Roof Tile, and Speed Trap
- dajugganaut
- · Replies 4 ·
Calculating Force Needed to Hold Down a Hydrogen-Filled Balloon
- daisyi
- · Replies 4 ·
Calculating Average Pressure in Rifle Barrel from Bullet Launch Speed
- daisyi
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How to Calculate Charge and Potential Difference in Parallel Capacitors?
- supermenscher
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Calculate Pressure Difference: Water Flow Through Tubes of Different Radii
- daisyi
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What Calculations Are Needed to Achieve Equilibrium in These Statics Problems?
- Aaron
- · Replies 3 ·
Object sliding down inclined plane
- akatsafa
- · Replies 3 ·
Electric Field Question: Finding Zero Point Between Two Charges on Y-Axis
- thebigbluedeamon
- · Replies 5 ·
Computer thrown from window, falling tile, and car deceleration problems
- dajugganaut
- · Replies 7 ·
Electrostatic and gravitational potential energy question
- Sigma Rho
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How Do Toy Telephones and Stethoscopes Transmit Sound?
- quarky
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Really good general college physics book?
- akatsafa
- · Replies 9 ·
What Are Common Mistakes in Calculating Magnetic Forces and Particle Velocities?
- supermenscher
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How Does Acceleration Affect the Frequency of Sound Heard by an Observer?
- ambuj123
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Frequency of EM field, magnetic flux angle, and RL circuit current
- supermenscher
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Solving for Distance and Speed in Physics Problems
- winterma
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Calculating Potential Energy Change on an Incline - What am I doing wrong?
- winterma
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Question on 1 problem graphical determinations
- terpsgirl
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Induced Voltages and Inductance
- Alice-Shallom
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Potential energy between two objects
- Zorodius
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Why is graphical best-fit line more accurate for average velocity?
- terpsgirl
- · Replies 2 ·
Saving Energy on Long-Distance Flights: Calculating Mass Impact
- akatsafa
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What is the Formula for Calculating Angular Deceleration in College Physics?
- winterma
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What Is the Final Temperature in a Copper Calorimeter Experiment?
- lollypop
- · Replies 13 ·
Completely stable nucleus question
- Sigma Rho
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Integration by partial fractions
- Spectre32
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Quantum mechanics in atoms question
- jazzchan
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How Does Car Acceleration Work on Inclines and Flat Surfaces?
- terpsgirl
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Angle of incidence and emergent ray through a glass plate
- franz32
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Find the coefficient of kinetic friction between the block
- nelone
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Can Palindromes in Base 7 be Divisible by 8?
- 1+1=1
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Why Does Current Flow Opposite to Electron Movement in a Cathode Ray?
- expscv
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Are Even Perfect Numbers Always Triangular?
- 1+1=1
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Are EM Waves Generated by Standing Charges?
- jrt101
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Equilibrium of a Block on a Frictionless Table and Wall: An Analysis
- e(ho0n3
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Rotational Inertia of a Rod Falling and Slipping
- e(ho0n3
- · Replies 10 ·
Slightly off on the answer to a problem, but why?
- Brianjw
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Solving Torque and Tension for a Cylindrical Hoop with Mass and Radius R
- e(ho0n3
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How Do the Laws of Vibrating Strings Affect Sound Production?
- franz32
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Photoelectric Effect and light frequency
- wikidrox
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C program - trouble with IF statement
- Math Is Hard
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Integration by parts problem
- Spectre32
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Calculating spring tension for a torque wrench design with gear disconnect
- flashlaser
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Check Max Speed of Car on Circular Path Without Skidding
- nelone
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Calculating Buoyancy: Determining Ice Area to Support 3000lb Car
- daisyi
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Calculating Boat Submersion and Fish Capacity
- daisyi
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Uniform circular motion of a rolling object
- akatsafa
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What Is the Difference Between Potential and Potential Energy?
- Sigma Rho
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What information does Coulomb's law give us?
- Sigma Rho
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What is the magnitude of the horizontal force
- nelone
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How do nonconservative forces affect work done in a round trip?
- me_me
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What is Born Approximation? Understanding Its Basics
- ottjes
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Tension in elevator cable with upward acceleration
- nelone
- · Replies 4 ·
Capacitor problem, easy but just can't seem to get it
- supermenscher
- · Replies 3 ·
Solving Problem on Capacitor - India IIT Prep
- ambuj123
- · Replies 2 ·
Finding Final Velocity of a Block Sliding Down a Ramp with Friction
- akatsafa
- · Replies 6 ·
Coriolis Effect on Fast Projectile
- e(ho0n3
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Escape velocity from solar system with Earth's orbital velocity
- e(ho0n3
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How Much Ice Melts When Cooling an Enzyme Sample in an Ice Bath?
- winston0064
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Calculate the Movement of a Rowboat When Two People Exchange Seats
- robyfan
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How Do I Solve These Two Circuit Problems?
- supermenscher
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Resistance of semi conductor decreases as ionisation increases
- lakshmi
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Sum of i²/4^i from 0 to infinity
- Johnny Leong
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Solving for (ab,ac,bc) = 1: Where Am I Going Wrong?
- 1+1=1
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How can I find the moment of inertia for a simple shape?
- Zorodius
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Propeller design for measuring spin rate vs wind angle of attack
- jessiem
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Electric field of discrete point charges
- mborn
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Why Is My Projectile Motion Calculation Incorrect?
- akatsafa
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How many positive integers are not divisble by 12 or 15?
- 1+1=1
- · Replies 7 ·
Rod, Clay, and an Inelastic Collision
- e(ho0n3
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How Much Energy Is Released in a Three-Part Explosion?
- PhysicsBeginner
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Surface integral of A(z) over a hemispherical surface
- Firefox123
- · Replies 17 ·
How much power does water flow generate in hydroelectric stations?
- Etak
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Centripetal acceleration calculation
- akatsafa
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Finding tangential and angular velocity of a block on a string
- akatsafa
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Sound Intensity: dB vs dB(A) - What's the Difference?
- EIRE2003
- · Replies 3 ·
Parallel Plates Different areas
- junglepeanut
- · Replies 7 ·
SHM displacement equation with amplitude 2 m and frequency 3 Hz
- redshift
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Logarithmic Equation: Simplifying with Easy Quick Method
- Slicktacker
- · Replies 3 ·
Can Someone Explain Statics and Torque for an Applied Maths Exam?
- Mutant_Fruit
- · Replies 6 ·