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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Calculating Transverse Acceleration in Waves and Tension
- Soaring Crane
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Electrostatics problem (ruddy angles)
- Destrio
- · Replies 4 ·
Dimensions of coefficients in x=2t and y=4t² motion
- ch00se
- · Replies 9 ·
Rotational kinematics/dynamics problem
- pppeachykeen
- · Replies 1 ·
What Is the Net Force on the Moon During Eclipses?
- Chutzpah
- · Replies 1 ·
What angle maximizes horizontal range for a projectile?
- m2287
- · Replies 13 ·
What is the optimal radius for the inner cylinder of a cylindrical capacitor?
- phalanx123
- · Replies 8 ·
Two Problems on Rotation of a Rigid Body
- mst3kjunkie
- · Replies 9 ·
Calculating Wheel Torque to Accelerate Up a Hill
- les3002
- · Replies 1 ·
Work Done on a Bucket in a Well
- kinthos
- · Replies 4 ·
What is the fluid velocity in a restriction using Bernoulli's principle?
- fro
- · Replies 4 ·
Can the Crew's Plan to Fragment an Asteroid Succeed?
- phalanx123
- · Replies 2 ·
Can a Bowling Ball Really Travel 200 Meters After Launching from a Ramp?
- kurgen88
- · Replies 3 ·
How Does Increasing the Frequency Affect Accuracy in a Circular Motion Lab?
- msimard8
- · Replies 2 ·
Gauge Pressure (teacher completely skip this)
- BunDa4Th
- · Replies 4 ·
Bouyancy - throwing rock overboard
- crusader999
- · Replies 3 ·
How much work is done by the gas?
- Tehy
- · Replies 6 ·
Elastic collision between neutron and carbon nucleus
- AznBoi
- · Replies 12 ·
How to Calculate Power Supplied to Resistors in This Circuit?
- glid02
- · Replies 11 ·
What is the minimum power required to operate the heat pump?
- swain1
- · Replies 3 ·
How Does Constant Pressure Affect the Final RMS Speed of an Ideal Gas?
- map7s
- · Replies 14 ·
Maximum current IN the resistor
- glid02
- · Replies 4 ·
Plug cos^2(30) into my scientific calculator
- starfish794
- · Replies 4 ·
What happens to circular motion when the radius changes?
- pharaoh
- · Replies 3 ·
How Does the Cyclone Roller Coaster at Six Flags Use Physics Principles?
- rottentreats64
- · Replies 1 ·
Mass of a Spring: Does it Affect the Period?
- courtney1121
- · Replies 4 ·
Why does a simple gravity pendulum have restoring force m*g*sin(A)?
- kajalove
- · Replies 3 ·
Spring constant of H2 and D2 from vibrational frequency
- courtney1121
- · Replies 1 ·
Perfect heat powered engine, my TA says:
- wakejosh
- · Replies 2 ·
OUNT OF WORK INPUT FOR A CARNOT REFRIGERATOR
- swain1
- · Replies 5 ·
Calculating Work Done by Gravity on a Ski Slope
- rottentreats64
- · Replies 2 ·
How Do You Measure Tension in a Rubber Band Wrapped Around a Cylinder?
- moonman
- · Replies 1 ·
How is Vmax Derived as 2πfA from Given Formulae?
- quickslant
- · Replies 2 ·
What are some helpful resources for calculating stress and strain in beams?
- Michaelcarson11
- · Replies 10 ·
What is the heat of a system when it expands by 0.67 m^3?
- map7s
- · Replies 2 ·
How Do Antenna Phase Differences Affect Radio Wave Intensity and Direction?
- sapiental
- · Replies 1 ·
Equilibrium temperature of 35g ice in 110g water and iron cup
- map7s
- · Replies 1 ·
Moments of Inertia-Big Confusion
- O.J.
- · Replies 22 ·
Melting Ice in water and the final Temperature
- wakejosh
- · Replies 6 ·
How Long to Heat 250g of Water with a 250-Watt Heater?
- wakejosh
- · Replies 1 ·
What is the final diameter of the bubble rising from the bottom of a lake?
- wolly6973
- · Replies 6 ·
How Does Skier Speed Affect Wave Frequency and Wavelength?
- mmiller39
- · Replies 1 ·
Finding nearest atom distances from crystal planes in fcc lattices
- Beer-monster
- · Replies 9 ·
How Do Fluid Dynamics Affect Medical and Environmental Applications?
- preluda97
- · Replies 1 ·
Calculating Resonant Lengths of Air Columns
- soulja101
- · Replies 2 ·
Distance relationship between primary/secondary coils
- tima89
- · Replies 1 ·
Ratio of Resultant Wave to Common Amplitude: Pi/2 Rad Out of Phase
- bearhug
- · Replies 3 ·
Work to move a planet's satellite
- lizzyb
- · Replies 9 ·
Calculating Internal Energy at Victoria Falls
- mikefitz
- · Replies 3 ·
Finding the Length of a Resonating Air Column
- soulja101
- · Replies 1 ·
How Long is an Organ Pipe That Resonates at 128Hz?
- soulja101
- · Replies 1 ·
Electrostatics: A square with point charges on the corners
- fara0815
- · Replies 3 ·
How Does a Man Sliding on a Cart Affect Their Combined Speed and Energy?
- AznBoi
- · Replies 1 ·
Coefficient of Friction of a wooden box
- goj2
- · Replies 3 ·
Calculating Interference Fringe Spacing with a Point Source and Mirror
- kankerfist
- · Replies 5 ·
Calculating 2nd and 3rd Resonant Lengths
- soulja101
- · Replies 2 ·
The Bio-Savart Law applied to a square loop
- georgeh
- · Replies 3 ·
Conservation of Linear Momentum of exploding object
- msesulka
- · Replies 5 ·
Weight on the surface of a black hole ()
- lizzyb
- · Replies 3 ·
A couple of problems on motion and force
- Gauss177
- · Replies 2 ·
Bowling ball collision: why do triangle angles sum to 160 degrees?
- Fusilli_Jerry89
- · Replies 9 ·
Resultant Wave Shape When 2 Semicircles Meet
- jnimagine
- · Replies 5 ·
Minimum energy required to escape the grav field
- lizzyb
- · Replies 3 ·
Force/Energy Problem: Jump from Window
- arizona_cards_11
- · Replies 1 ·
Calculating Heat Added/Removed to Ideal Gas System
- mikefitz
- · Replies 3 ·
Calculating Speed of Military Airplane at Mach 2.00
- soulja101
- · Replies 3 ·
Calculating Mach Number of Aircraft at Sea Level
- soulja101
- · Replies 3 ·
Calculating Mass of Unknown in Torque Lab
- chrisl
- · Replies 8 ·
What is the Common Temperature for Expansion of a Steel Ring and Aluminum Rod?
- BunDa4Th
- · Replies 14 ·
What is the Angle Between the Target and Incident Ball Post-Collision?
- Fusilli_Jerry89
- · Replies 1 ·
Why Doesn't My Impulse-Change in Momentum Lab Show a Linear Relationship?
- Animal
- · Replies 5 ·
Volume of Bubble: Solve for V2 at Depth of 30 m
- mikefitz
- · Replies 2 ·
Simple pendulum: frequency, speed at lowest point, total energy
- vinny380
- · Replies 10 ·
Finding binding energy and closest approach for potential U(r) = a/r³ - b/r²
- Parallel
- · Replies 14 ·
Finding van speed in collision with stationary compact car
- Iceclover
- · Replies 7 ·
Fullback and tackle collision ending at zero speed
- Iceclover
- · Replies 15 ·
Solving Physics Problem 23: Velocity Ratio for Students on Roller Skates
- Iceclover
- · Replies 4 ·
How Do You Solve Momentum and Impulse Problems?
- amyiish
- · Replies 6 ·
Maximum weight for two ropes at 60° and 40° angles with 5000N tension limit
- physstudent1
- · Replies 2 ·
Angular Velocity after addition of mass?
- abeltyukov
- · Replies 1 ·
How Can Physics Solve These Complex Problems?
- real2
- · Replies 1 ·
Max Height of 2kg Object in Newton Law Problem
- physstudent1
- · Replies 3 ·
Could you calculate the mass of the planet?
- demode
- · Replies 1 ·
Moment of Inertia for a circular platform system
- fatfatfat
- · Replies 5 ·
Work - Acceleration of an elevator
- tobias.mueller2
- · Replies 2 ·
Calculating Buoyancy of Steel Boat
- jkb
- · Replies 2 ·
Heat capacity problem-wher am i going wrong?
- debwaldy
- · Replies 2 ·
Thermodynamics Debacle: Ideal Gas Expansion and Work Calculation
- a_lawson_2k
- · Replies 2 ·
Thermodynamics temperature question
- Meowzers
- · Replies 2 ·
Calculating the Ratio of Planetary Orbital Periods
- lizzyb
- · Replies 2 ·
How to solve for unknowns in a spring constant problem
- twotaileddemon
- · Replies 17 ·
How Is Electric Potential Energy Calculated in Electron Orbit Problems?
- Destrio
- · Replies 2 ·
Why Do Floating Logs Move in the Opposite Direction When You Walk on Them?
- Fusilli_Jerry89
- · Replies 1 ·
Modeling an electron in a Magnetic Field
- Noone1982
- · Replies 3 ·
How to Accurately Measure Vertical Distance in Projectile Experiments?
- asha
- · Replies 1 ·
The effect of temperature on frequency
- Nastyusha
- · Replies 9 ·
Momentum problem due this Tuesday
- FizzixIzFun
- · Replies 10 ·
Moment of inertia for a rhombus
- teleport
- · Replies 31 ·
Yo-yo on a frictionless table: does pulling the string cause rotation?
- igor123d
- · Replies 12 ·