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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Vectors (Direction of Resultant Displacement)
- Heat
- · Replies 3 ·
Calculating Velocity: Car and Earth in Motion – Help with Velocity Questions
- arpitm08
- · Replies 4 ·
Motion in Two Dimensions (Vectors)
- BBallman_08
- · Replies 11 ·
Please check my work on this short calc (?) prob
- frasifrasi
- · Replies 4 ·
Understanding Vector Magnitude and Components: Common Questions Answered
- eraemia
- · Replies 3 ·
Understanding the Pendulum Equation: How Do We Go from Slope to Equation?
- porter519
- · Replies 3 ·
Would someone be kind enough to check this for me?
- myelevatorbeat
- · Replies 1 ·
Flywheel slows due to friction in its axle bearings
- azila
- · Replies 8 ·
Solve Throw Up Problem: 15m, +12m/s & -12m/s
- nic0le
- · Replies 3 ·
Understanding Instantaneous Acceleration and Velocity in Physics
- kurosaki69
- · Replies 2 ·
Find Largest Angle of Slope for Car w/ Front, Rear & 4WD
- balogun
- · Replies 5 ·
Easy thermo problem: gas expansion
- EricVT
- · Replies 3 ·
Finding the angle of a falling person on a sphere
- Enderless
- · Replies 5 ·
Interactions and External Forces in Physical Systems
- eraemia
- · Replies 4 ·
What Are the Solutions to This Two-Block System Problem?
- mayeh
- · Replies 3 ·
Electric Field question (two of them)
- itsagulati
- · Replies 5 ·
Max F & Tension in String for m2 to Remain at Rest on Floor
- atavistic
- · Replies 11 ·
What is the physical interpretation of enthelpy and entropy?
- mune
- · Replies 5 ·
Kinematics Last minute homework help
- koolkris623
- · Replies 8 ·
Solving Distance and Direction-Based Homework Problems
- munkachunka
- · Replies 48 ·
Elastic Potential Energy of a glider
- Edwardo_Elric
- · Replies 3 ·
Straight Line Distance from D to A: Calculating with Pythagorean Theorem
- 1stimer
- · Replies 4 ·
Find the total energy of the system
- lostinphysics44
- · Replies 6 ·
How Do You Calculate Tension in a Cable and Compression in a Brace?
- copyfilew
- · Replies 1 ·
Equation for Final Position and Distance on a Velocity vs Time Graph
- Drewser
- · Replies 2 ·
Find the maximum height and the range of the ball.
- afcwestwarrior
- · Replies 5 ·
Alloy Lab Report: Solving Equations to Estimate Element Percentages in an Alloy
- myelevatorbeat
- · Replies 5 ·
How to calculate the change in R or displacement.
- afcwestwarrior
- · Replies 2 ·
Solving 1D Motion Problems with Fun: Average Rate and Time Calculations
- frasifrasi
- · Replies 4 ·
Where Am I Going Wrong in Calculating the Net Electrostatic Force?
- itsagulati
- · Replies 12 ·
How Fast Must Bruce Throw the Bagels for Henrietta to Catch Them?
- azila
- · Replies 2 ·
Inverse lorentz transformation question
- Benzoate
- · Replies 5 ·
What is the Physics behind the Coaxial Cable?
- Bryan52803
- · Replies 6 ·
How Much Extra Power Is Needed to Maintain Speed on an Incline?
- munkachunka
- · Replies 9 ·
How Do You Calculate the Coefficient of Kinetic Friction on a Sled?
- NewsboysGurl91
- · Replies 3 ·
Natural frequency calculated theorectically and experimentally
- balogun
- · Replies 3 ·
Net electric field question almost have it but can't get one part of it
- itsagulati
- · Replies 3 ·
Request: Basic Discrete Dynamical Systems Tutorial
- qspeechc
- · Replies 1 ·
Finding Accel. in Homework: Determine Block B's a
- ThunderboltGT
- · Replies 6 ·
Net force exerted by two charges on a 3rd charge
- itsagulati
- · Replies 1 ·
Calculating the Age of a Mummy Shroud Using Carbon Dating - Step by Step Guide
- sanjeevkaushal
- · Replies 2 ·
How to solve for velocity given angle and distances?
- iheartpink
- · Replies 1 ·
How Far Below the Cliff Top Do the Two Balls Cross Paths?
- afcwestwarrior
- · Replies 1 ·
What is the tension in the center of the rope in a tug-of-war?
- SnackMan78
- · Replies 7 ·
Solve Uniform Acceleration: Find a = -12.4872 cm/s^2
- hsma
- · Replies 2 ·
Only the best-physics(unit analysis) question
- frasifrasi
- · Replies 3 ·
When Will the Car Catch Up with the Truck?
- niyati
- · Replies 3 ·
How Is Current Calculated from Electron Flow Rate?
- jbp890
- · Replies 1 ·
Finding initial speed and accleration
- hsma
- · Replies 2 ·
Physics Problem. I must find acceleration.
- afcwestwarrior
- · Replies 6 ·
Find Time for 2 Pellet Guns Fired with Initial Speed of 30 m/s
- afcwestwarrior
- · Replies 5 ·
Discover the Formula for Power Calculation with Mass, Velocity, and Time
- jbp890
- · Replies 1 ·
Unit Conversion (mass, radius )
- Heat
- · Replies 2 ·
Solving for x in 0=−(4.90 m/s^2)t^2 -(8.00 m/s)t + 30m
- kurosaki69
- · Replies 7 ·
Speed of sound and sound detection lag between ears
- aliaze1
- · Replies 5 ·
What are the Polar Coordinates and Speed of a Car on a Straight Road?
- krnhseya
- · Replies 2 ·
Trailing Car: Separation & Speed Calculations
- josh84
- · Replies 1 ·
Solving the Ramp Puzzle: Finding the Length of Horizontal Side
- GloryUs
- · Replies 4 ·
Calculating the speed of an ultrasound wave in an unknown liquid
- aliaze1
- · Replies 3 ·
Vector Problem: Find Magnitude & Angle of B
- jjc39
- · Replies 4 ·
Virial coefficients of the ideal gas equation.
- EricVT
- · Replies 1 ·
How Does Gauss's Law Explain Electric Fields in an Infinitely Long Charged Rod?
- xaer04
- · Replies 8 ·
How Do I Find Vector Components Using Trigonometric Formulas?
- meganw
- · Replies 7 ·
Solving for the Wind Force on a Skier on a Slope
- lfwake2wake
- · Replies 7 ·
Acceleration/velocity opposite signs
- jbp890
- · Replies 1 ·
Oscillator Problem: Find Phase Constant
- lostinphysics44
- · Replies 27 ·
What Happens to Earth's Temperature If the Sun Stops Radiating?
- jau
- · Replies 2 ·
How Does Angular Velocity Relate to Harmonic Motion in a Rolling Ball?
- cosmic_tears
- · Replies 3 ·
Projectile Problem Homework: Solve Range, Time, Velocity, Height
- munkachunka
- · Replies 3 ·
What Happens to the Particle on the Inclined Plane After the String Breaks?
- skipthecereal
- · Replies 4 ·
How Does Inclination and Friction Affect Work and Energy on a Microwave Oven?
- Edwardo_Elric
- · Replies 7 ·
How do i find applied force if it not given?
- puni12
- · Replies 3 ·
When Will the Motorcycle Catch Up to the Car?
- lexi
- · Replies 3 ·
An astroid moving due to Earth's gravity
- cosmic_tears
- · Replies 5 ·
Why Aren't AXB and BXA Equal in Matrix Multiplication?
- jcsolis
- · Replies 4 ·
Calculating Acceleration for a Car on a Circular Track
- krnhseya
- · Replies 9 ·
Why Is My Calculation of Resultant Force Incorrect?
- myelevatorbeat
- · Replies 8 ·
Magnetic Field strength Problem
- boozi
- · Replies 7 ·
Is My Calculation for Hydrogen Molecule Speed Correct?
- Steveku
- · Replies 1 ·
Coefficients of kinetic friction, help PLEASE
- myelevatorbeat
- · Replies 6 ·
Measuring Surface Tension: Tips and Methods for Your Physics Experiment
- shamstar
- · Replies 9 ·
Machine efficiency velocity ratio
- pelumi
- · Replies 1 ·
Is the root mean square current always positive?
- Vaman Hegde
- · Replies 3 ·
Moving Reference Frames and elastic collision
- fudawala
- · Replies 6 ·
Collision Time of Thrown and Dropped Balls
- Niles
- · Replies 13 ·
How Does Physics Apply to a Jumping Spinning Crescent Kick in Martial Arts?
- Ninjabuddy
- · Replies 3 ·
Calculating Required Torque with Support Arm
- chambo101
- · Replies 1 ·
Solving Vector Resultants: Magnitude & Direction
- anglum
- · Replies 1 ·
Speed distance time, 1500mtr race
- stuwalshe
- · Replies 8 ·
Do the trains collide or stop before collision?
- Yapper
- · Replies 8 ·
What is the impact force when a 100-pound object is dropped from 6 feet?
- cow
- · Replies 1 ·
M1 Vector Help: Find Walker's Position Using i and j Vectors
- CathyLou
- · Replies 14 ·
Moving Reference Frames and Cannon
- fudawala
- · Replies 1 ·
Satellite Orbits: Measuring Ozone in Antarctic Stratosphere
- liaminho
- · Replies 6 ·
Vector Addition: Finding the Resultant Vector and Angle
- bwilhelm
- · Replies 13 ·
Estimate the number of raindrops that fell during the storm
- andrewn
- · Replies 4 ·
How Do You Calculate Distances Between Islands Using Vector Components?
- kbump
- · Replies 6 ·
How Do Two Knights Collide When Accelerating Towards Each Other?
- mslena79
- · Replies 3 ·
Help with vector exam questions (M1)
- CathyLou
- · Replies 16 ·
Acceleration Problem: Find Final Magnitude
- mslena79
- · Replies 8 ·