Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Challenging Vector Problem: How Can Beetle 2 Reach the New Location of Beetle 1?
- Cathartics
- · Replies 4 ·
Find the Height of a 90 Degree Notch in a Block of Metal
- steadenator
- · Replies 2 ·
What is the Weight of a Satellite in kN?
- mortho
- · Replies 13 ·
Gamma and neutron charges and masses in radioactive decay
- _Mayday_
- · Replies 5 ·
Where Is the Electric Field Zero Between Two Charged Particles?
- electricman
- · Replies 2 ·
Electric fields two point charges
- mussgo
- · Replies 4 ·
Forces and friction in power-over drifting
- Onjikaruto
- · Replies 11 ·
How to Calculate Electric Flux for a Rotated Square in a Uniform Electric Field?
- xcvxcvvc
- · Replies 2 ·
What is the final speed of the ball when the goalie catches it?
- ian_durrant
- · Replies 2 ·
Current in a 150 ohm relay coil at 12 V
- ella_101
- · Replies 1 ·
What is the Speed of a Pendulum Bob?
- looi76
- · Replies 8 ·
Electric Field Question: Finding Zero Points for Point Charges
- altegron
- · Replies 2 ·
Torque with Pulley and Hanging Masses
- latitude
- · Replies 3 ·
Projectile horizontal motion Question
- blaxican707
- · Replies 8 ·
Velocity Vectors: Magnitude of V3 - A-F
- am08
- · Replies 5 ·
Kinematics in two dimensions problem
- ian_durrant
- · Replies 5 ·
Kinematic Equations for Constant Speed
- stevenwho
- · Replies 3 ·
Solving a 20-Year Puzzle: A Sports Car Enthusiast's Homework
- undrcvrbro
- · Replies 1 ·
Physics-electron charge transfer
- kokenwa
- · Replies 5 ·
What Forces Act Between Alpha Particles in Unstable Nuclei?
- snowborder456
- · Replies 1 ·
Moving particle acceleration problem
- Melchior25
- · Replies 1 ·
Arrow shot at 45° hits tree 220m away, apple dropped to meet it
- zellster87
- · Replies 4 ·
Rotational Kinetic energy in a loop
- Metalsonic75
- · Replies 4 ·
So, the conversion factor is 10^6.
- Twilit_Truth
- · Replies 3 ·
Calculating Particle Speed in a Relativistic Collision
- Winzer
- · Replies 3 ·
How Do You Calculate the Height and Speed of a Geosynchronous Satellite?
- mortho
- · Replies 1 ·
Calculate Maximum Water Boiled from 12.0V Car Battery
- arod2812
- · Replies 1 ·
What Is the Minimum Radius for Safe Flight at 100 m/s?
- mortho
- · Replies 4 ·
Hydraulic Lift.( U tube) and oil
- dr3vil704
- · Replies 1 ·
How fast can a car go on a circular turn without skidding?
- mortho
- · Replies 7 ·
Earth's density and its gravity
- new-tonian
- · Replies 1 ·
Interference graph homework help needed
- looi76
- · Replies 1 ·
Normal Force and Static Frictional Force
- confounded
- · Replies 1 ·
How Far Can a Jetliner Travel West Against a Jet Stream and Return Safely?
- confounded
- · Replies 4 ·
How Do You Calculate the Initial Speed of a Rock Kicked Off a Cliff?
- Melchior25
- · Replies 2 ·
Projectile and Horizontal Distance
- nightshade123
- · Replies 13 ·
How Is Momentum Calculated for a Decomposing Particle in Relativistic Physics?
- supercali
- · Replies 2 ·
Finding Distance Up (Max Height) trouble
- Mirth
- · Replies 11 ·
Evaluate the integral of 1/r from r to R
- fiziksfun
- · Replies 1 ·
A spool of mass M sits upright on a table
- bhimberg
- · Replies 13 ·
How Do Electric Fields Affect Particle Movement?
- Tariq
- · Replies 1 ·
Where is the Center of Gravity of a Lying Person?
- VanKwisH
- · Replies 6 ·
Does an Electric Field Exponentially Decrease in Free Space?
- win_lan
- · Replies 1 ·
Reading of a pendulum clock from the earth to the moon
- missashley
- · Replies 3 ·
Solving Atwood/Pulley Problems: Masses, Acceleration & Distance
- BayernBlues
- · Replies 1 ·
What Do Slope and Y-Intercept Mean in Finding Gravity Constant?
- BayernBlues
- · Replies 1 ·
Error Analysis On Excel Questions
- BayernBlues
- · Replies 2 ·
Inclined cylinder torque problem
- yasar1967
- · Replies 2 ·
Momentum, Gravity and Friction Mixed Problem
- Haroon
- · Replies 4 ·
How Does the Center of Mass Stay Constant When a Child Walks on a Boat?
- to4u
- · Replies 1 ·
Master Vector Equations: Solving Northeast Flight and Southwest Geese Velocity
- se123
- · Replies 2 ·
Estimating charges coulomb's law
- mussgo
- · Replies 6 ·
Find the latent heat of vaporization
- mibson
- · Replies 5 ·
Car with multiple acceleration and constant velocity phases
- StephenDoty
- · Replies 11 ·
Why Is Kirchoff's Laws Problem Giving Different Answers?
- andy s
- · Replies 1 ·
Density of ice in a 167 m tall iceberg with 1.50 km submerged
- Twilit_Truth
- · Replies 1 ·
Finding direcitons of vectors - MIdterm is tomorrow.
- MoreZitiPlease
- · Replies 2 ·
Ball released from a cliff: which initial throw gives greatest speed at bottom?
- StephenDoty
- · Replies 7 ·
How to Solve for Velocity with Quadratic and Linear Drag Forces?
- Col.Buendia
- · Replies 2 ·
Coulomb's law and String Tension
- Aphrael
- · Replies 16 ·
Rearranging three equations to solve for C
- ronislegend
- · Replies 5 ·
How Is Heat Distribution Calculated in a Diatomic Ideal Gas Expansion?
- wowolala
- · Replies 1 ·
Application of the equations of motion with constant acceleration
- sillybean
- · Replies 3 ·
Drawing a Y vs Time Graph in a projectile motion problem
- Arejang
- · Replies 9 ·
Work done by electric force heats water from 0°C to 100°C
- arod2812
- · Replies 1 ·
Wave interference, finding amplitude in certain situations
- aliaze1
- · Replies 7 ·
How Fast Does a Penguin Slide on Ice After 8.75 Seconds?
- anastasiaw
- · Replies 4 ·
Potential From an Electric Field
- snoweangel27
- · Replies 1 ·
Calculate Distance to Drop Egg on Physics Professor's Head
- starchild75
- · Replies 5 ·
Calculating Distance and Time in a Chasing Scenario
- swathi
- · Replies 4 ·
Calculate k-Value for Car Drag Equation with Given Data
- JolleJ
- · Replies 1 ·
Multiple choice questions on energy, forces, and thermal physics
- blaziken's_charizard
- · Replies 5 ·
Calculating Electron Speed Between Two Point Charges
- weathercheck
- · Replies 3 ·
Time for skier to escape avalanche on 30° slope with two friction coefficients
- beocom6000yello
- · Replies 2 ·
How Do Forces Affect Acceleration on a Frictionless Surface?
- beocom6000yello
- · Replies 1 ·
Projectile Motion Equations: Checking Answers for Moving Objects
- Melchior25
- · Replies 1 ·
How Does Adding Electrons Affect the Net Charge of a Metal Sphere?
- sheri1987
- · Replies 3 ·
Calculating Tension in a Hanging Mass: 15 and 25 Degree Angles
- cashslash89
- · Replies 1 ·
Finding rocket velocity components after fuel ejection near ground
- iuhoosierz
- · Replies 3 ·
How much time does it take to warm 2 litres water
- mahima
- · Replies 1 ·
What is the Force of Contact Between Two Blocks on a Frictionless Table?
- affans
- · Replies 3 ·
Infinite R-chain: Find Resistance Between A and B
- Vanessa23
- · Replies 1 ·
Power Calculation - 3063kW Confirmed?
- Brett bALL
- · Replies 1 ·
Fringe with of interference pattern
- looi76
- · Replies 5 ·
Deriving the trajectory of the particle
- Tuugii
- · Replies 4 ·
Curvilinear Motion of a particle
- Saladsamurai
- · Replies 41 ·
Algebra in velocity dependent forces
- ax_xaein
- · Replies 7 ·
Mechanics: Accleration as a function of position
- jmcmillian
- · Replies 1 ·
Average pressure exerted on two equal pistons
- lollol
- · Replies 3 ·
Final Charge on Lower Plate of Water-Dipped Capacitor
- i_island0
- · Replies 4 ·
Calculating Acceleration of Gravity w/ Kinematics
- jesuslovesu
- · Replies 1 ·
Variable Problem for 2D Kinematics
- apoptosis
- · Replies 4 ·
Projectile Motion and maximum angle
- blindside
- · Replies 6 ·
How Is the Normal Force Calculated on a Charged Object on Level Ground?
- faustud.
- · Replies 3 ·
Block pulled at an angle: speed after 5.90 s
- anastasiaw
- · Replies 1 ·
How Does a Phase Difference Affect Amplitude in Co-Directional Waves?
- dnoi
- · Replies 4 ·
Struggling with Particle Displacement Equation?
- ax_xaein
- · Replies 2 ·
Probability density function of a pendulum displacement
- venkatmn
- · Replies 2 ·
Electric Field between 2 Point Charges
- Goldenwind
- · Replies 1 ·
Resistance of rectangular wire loop exiting magnetic field
- rukawa0929
- · Replies 4 ·