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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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 ·
Simple problem in Mechanics, weird differential equation
- dujardin
- · Replies 4 ·
Magnitude of initial acceleration
- sonastylol
- · Replies 3 ·
E-field at the center of a semicircle
- pcandrepair
- · Replies 17 ·
What electric field strength will cause the bead to hang suspended in the air?
- cemar.
- · Replies 1 ·
Torque change of a rod with unequal masses
- Metalsonic75
- · Replies 5 ·
What Force is Needed on the Top Link for 5-Link Chain Acceleration?
- NAkid
- · Replies 2 ·
How do forces act during a collision between a car and a large truck?
- NAkid
- · Replies 9 ·
Finding Mass of Wooden Block Without Masing It
- Riogho
- · Replies 16 ·
What Happens to Two Blocks After an Elastic Collision on a Slope?
- DavidHarmon
- · Replies 1 ·
Electric Force, linear charge density
- DFWDraco76
- · Replies 3 ·
Phase difference for two offset slits in double slit setup
- dopher
- · Replies 1 ·
Force required to prevent something from moving on a slant
- chemboy
- · Replies 3 ·
Finding path length L to phase shift two different wavelengths
- opticaltempest
- · Replies 8 ·
How Do You Calculate the Time Ratio for Two Jumping Heights on a Trampoline?
- ian_durrant
- · Replies 4 ·
Heat released from condensing steam
- redfire67
- · Replies 5 ·
Latent Heat of Zinc Sublimation at 600K
- thetruenash
- · Replies 1 ·
Magnitude of Single Displacement:
- sonastylol
- · Replies 4 ·
Micro/macro collection between electrostatic
- 743344
- · Replies 3 ·
How Do You Calculate the Moment of Inertia for Welded Disks?
- jhwatts
- · Replies 5 ·
Net electrostatic force on charge between parallel plates
- jh12
- · Replies 5 ·
Simplifying Equation With Square Root
- kwikness
- · Replies 3 ·
How Do You Calculate Time and Distance in Free Fall Physics Problems?
- Cathartics
- · Replies 13 ·
Solving for Depth, Velocity, and Initial Velocity in a Free Fall Challenge
- Cathartics
- · Replies 10 ·
Solve Equilibrium Problem: 4 Men Carrying Beam, Calculate Forces
- yasar1967
- · Replies 2 ·
How to Calculate the Correct Angle and Time to Cross a River in a Powerboat?
- chaudown
- · Replies 1 ·
Displacement of a vector (Really simple)
- AnkhUNC
- · Replies 4 ·
Initial speed for cannon projectile from 11.23m height
- vanquish
- · Replies 18 ·
Calculating Capacitance for a Light-Bulb and Capacitor Circuit
- A90
- · Replies 4 ·
Simple Conservation of Momentum Question
- smashingtime
- · Replies 9 ·
Calculating Distance of a Falling Tuning Fork using the Doppler Effect
- Potato-chan
- · Replies 5 ·
How to Determine a Grasshopper's Jump Speed and Cliff Height?
- okiedokie07
- · Replies 16 ·
Electric Field due to Rectangular Sheet
- teleport
- · Replies 14 ·
What is the velocity of the incident ball after the perfectly elastic collision?
- niki4d
- · Replies 8 ·
Calculating Frequency of Hydrogen Light in a Moving Galaxy
- _Mayday_
- · Replies 1 ·
Possible What is the angle between these two vectors?
- sonastylol
- · Replies 7 ·
Can the tanker avoid hitting the reef with its engines back on?
- ledhead86
- · Replies 9 ·
Projectile motion from 7 to 10 m height at 30°
- Saladsamurai
- · Replies 6 ·
How Do I Calculate Normal Force for a Wooden Block?
- vertciel
- · Replies 1 ·
Kinematics: Average Deceleration Underwater
- RedBarchetta
- · Replies 2 ·
Negative rod to uncharged metal ball:
- sonastylol
- · Replies 6 ·
How to Calculate Charge on a Balloon After Losing Electrons
- sonastylol
- · Replies 2 ·
Point charge and a plane question
- joker_900
- · Replies 1 ·
VERY simple Velocity vs time graph interpretation
- seanistic
- · Replies 14 ·
Four charges at corners of a square and electrons canceling gravity
- itzxmikee
- · Replies 18 ·
Shuffleboard disk accelerated to 4.2 m/s over 1.4 m, then decelerates at 2.7 m/s²
- Cathartics
- · Replies 6 ·
A-Level Sensor Coursework: Measuring Sensitivity with Basic Equipment
- SirAethelred
- · Replies 3 ·
Graphing the thin lens equation with measured di and do values
- Larrytsai
- · Replies 3 ·
How to Find the Angle of a Jetliner's Turn?
- torresmido
- · Replies 4 ·
Why is the E field at 1m zero inside a shell with distributed charge?
- memow
- · Replies 1 ·
Calculate Free Energy for Formation
- mrlucky0
- · Replies 1 ·
How many Earths would fit into the Sun?
- torresmido
- · Replies 1 ·
How do you know if total internal reflection occurs?
- Larrytsai
- · Replies 2 ·
What Is the Maximum Height a Rocket Will Reach After Engine Failure?
- starchild75
- · Replies 19 ·
When to use total distance/total time vs. average of two velocities?
- StephenDoty
- · Replies 3 ·
What would car racing physics entail?
- greeenie
- · Replies 2 ·
Solving the Gaussian Cube Question: Understanding E = 7.35i - 5.63(y2 + 9.74)j
- Zythyr
- · Replies 1 ·
Displacement of Underdamped Oscillation: Maximum and Minimum Occurrence?
- end3r7
- · Replies 2 ·
Finding the direction on a second displacement
- Imperator
- · Replies 10 ·
1989 Physics B Electro - Question #2.
- GP_Skier
- · Replies 1 ·
Calculating Water Volume in a Cumulus Cloud
- jav6454
- · Replies 1 ·
Electric Field Produced by a Ring
- smithnh
- · Replies 2 ·
Angle between vectors (2,1,-4) and (-3,0,1)
- Yahaira.Reyes
- · Replies 7 ·
Football related Projectile problem
- Go Angels
- · Replies 8 ·
Solving Sound Waves Problem: Distance of Explosion from Ground Vibration
- moronto
- · Replies 2 ·
Why is 2.01 the accepted value for a pendulum?
- LadiesMan
- · Replies 2 ·
Potential difference in an electron
- mathcrzy
- · Replies 3 ·
Velocity of Proton with 23.0 keV Kinetic Energy
- mathcrzy
- · Replies 3 ·
Electric Field of a single charge vs 2 charges
- Poop-Loops
- · Replies 3 ·
Calculating the electric field, multiple point charges
- aliaze1
- · Replies 10 ·
How Do You Calculate the Electric Field in a Finite Charged Plate?
- Rib5
- · Replies 4 ·
Kinetic, potential and mechanical energy question.
- solarwind
- · Replies 4 ·
How Do You Calculate the Acceleration Due to Gravity on an Unknown Planet?
- Melchior25
- · Replies 1 ·
Solving Cylinder Problem: Calculate Work Done in KJ
- defineNormal
- · Replies 4 ·
Electric field due to two point charge
- Alexis565
- · Replies 8 ·
Why doesn't the water levels equal each other in a U-shaped tube?
- adam878787878
- · Replies 6 ·
Discus thrower angular and linear kinematics
- someboy
- · Replies 10 ·
How Long Will It Take the Aimless Wanderer to Orbit Planet Mongo?
- anthonym44
- · Replies 1 ·
What Is the Unit Vector in the Block's Momentum After a Kick?
- rcm431
- · Replies 1 ·
How much work does an electric field do in moving a proton
- mathcrzy
- · Replies 2 ·
Pressure wave amplitude from sound wave rarefaction
- Brandi10
- · Replies 1 ·
How Do You Calculate Position, Velocity, and Speed from a Vector Function?
- Go Angels
- · Replies 6 ·
How do I check if a force field is potential?
- danilo_rj
- · Replies 3 ·
Gravitational Force (Earth and Sun)
- jgens
- · Replies 1 ·
How do you study effectively for English class?
- Larrytsai
- · Replies 6 ·
Solving Projectile Motion and Vectors Problems
- Gebs-
- · Replies 6 ·
PV graph question (trying to determine the work)
- adam878787878
- · Replies 1 ·
Sound Wave quesions (Grade 11 Physics)
- pkevin91
- · Replies 1 ·
Solve Pulley Related Rotational Mechanics Problems: Concept Guidance
- physixguru
- · Replies 4 ·
Verifying that y(x,t) = Ae^(i(kx-wt)) solves the wave equation
- dnoi
- · Replies 2 ·
Calculating Weight of a Brick Using Laws of Motion: 42N, 52N, and Acceleration
- jen333
- · Replies 5 ·
Electrostatic Force of Water on a Chlorine Ion
- moonlight13
- · Replies 4 ·
Solved: Acceleration Problem for Truck and Car
- am08
- · Replies 4 ·
Calculating the Y-Component of an Electron's Velocity in a High Voltage Field
- pcandrepair
- · Replies 7 ·
Toothpick bridge design for 100g load over 500mm span
- MoreZitiPlease
- · Replies 23 ·
How Do You Calculate Electric Fields in Physics Problems?
- Physics_God
- · Replies 1 ·
How do I calculate acceleration from displacement and velocity?
- ocigano
- · Replies 3 ·
How Fast Can an Elevator Lift a 1000 kg Load with 2000 W of Power?
- desichick07
- · Replies 5 ·