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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Moment of inertia of regular hexagon with 1 kg masses at vertices
- hellothere123
- · Replies 4 ·
Solve Farm Gate Problem: Horiz Force on Bottom Hinge
- xRandomx210
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How Do You Calculate Induced Current in a Coil with Changing Magnetic Field?
- phy112
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Solve 2D Projectile Motion Problems with Sample Equations and Steps
- tmay
- · Replies 2 ·
Will two 11-foot aluminum pontoon tubes float 1000 pounds?
- mac5877
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Find the time at which the two balls collide
- Guess78
- · Replies 1 ·
Calculating Maxima in 1-D Wave Interference with a Half-Silvered Mirror
- XJellieBX
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What Is the Maximum Mass of Block C to Keep Blocks A and B Sliding Together?
- e_burke
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Human cannonball impulse and cannon barrel length
- andgabbana
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How Long Does It Take for Two Different Masses to Slide Down a Sloped Ramp?
- myxomatosii
- · Replies 5 ·
Power supply shows 24V instead of 5000V when voltmeter connected
- caltzx
- · Replies 1 ·
Calculating Work and Force: Solving a Simple Amusement Park Problem
- Rha1828
- · Replies 4 ·
Electric field at points A, B, and C inside a hollow ball?
- Dell
- · Replies 1 ·
How Much Work Did Sam Do to Stop the Boat on the Ride?
- Rha1828
- · Replies 3 ·
Calculating End Reactions: How to Sum Moments of All Forces About a Point
- manich43
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Finding the coefficient of friction of a sled
- alexas
- · Replies 18 ·
Finding the relationship between pendulum period and string length
- brady10
- · Replies 1 ·
Ballistics - Find velocity of arrow
- msadegian
- · Replies 11 ·
Grade 12 Physics, centripetal force and projectile motion
- Interest
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Simple Harmonic Motion: Pendulum of Clock Replaced by Spring-Mass
- hermy
- · Replies 2 ·
A question on finding the resistance from a 3D cube
- Kudo Shinichi
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What is the magnitude of the normal force of the table on the lower magnet?
- tascja
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Recoil velocity after collision
- diffusion
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Motion of 2 object on an inclined plane
- momargoh9
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Applying Newtons laws n an inclined surface with two masses
- e_burke
- · Replies 3 ·
How does the constant power of an engine affect the acceleration of a car?
- raging11
- · Replies 7 ·
Loop de loop normal force roller coaster
- johnj7
- · Replies 3 ·
Focal Length of a Diverging Lens
- dcramps
- · Replies 10 ·
Minimum string tension needed to move the block
- alexas
- · Replies 20 ·
Pendulums ~ period of oscillation
- brownie24
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Free Body Diagram, Newton's 3rd
- myxomatosii
- · Replies 4 ·
What Is the Work Function of Millikan's Hypothetical Metal?
- TJDF
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Velocity of a Proton in a Capacitor
- Phoenixtears
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Uniform Circular motion, angular velocity and Friction
- Patty-o
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How Do You Integrate -e^(-|x|) Over All Real Numbers?
- Cocoabean
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Calculating Radius of Airplane's Horizontal Circle
- seraphimhouse
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Calculating the Average Kinetic Energy of a Helium Atom at 20°C
- jgens
- · Replies 2 ·
A Moment of Inertia/physical pendulum Problem
- dominatesean
- · Replies 3 ·
Torques and Rotational Equilibrium
- peaceandlove
- · Replies 4 ·
Solving a Simple Spring Problem: Finding the Speed of a Launched Object
- Rha1828
- · Replies 2 ·
How Does Ohm's Law Apply to an Inductor in a DC Circuit?
- FancyChancey
- · Replies 3 ·
Quantum Physics: Calculating Photons/s
- TJDF
- · Replies 2 ·
Work, Energy, and Acceleration on a Frictionless Plane
- a4rino
- · Replies 2 ·
Pulsed dye laser energy to evaporate blood
- TJDF
- · Replies 7 ·
How Is Tension Calculated on an Inclined Slope with Friction?
- myxomatosii
- · Replies 12 ·
Final temperature when mixing 1 liter of 20°C water with 4 liters of 40°C water
- absolutezero
- · Replies 3 ·
Solve Work Problems: Elevator with Mass 1000kg on Single Cable
- johnj7
- · Replies 1 ·
Standing wave equation for viola: why is sin(0) making the result zero?
- Tohoshi
- · Replies 4 ·
Calculating EMF in Steel Beam Impact Before Landing
- xswtxoj
- · Replies 1 ·
How Does Time Dilation Affect the Voyager 1 Space Probe?
- Stratosphere
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Current induced in rotating conductor in Magnetic Field
- Jimmeh
- · Replies 2 ·
Rotational motion of belt drive
- kidsmoker
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Unit conversion difficulties on simple problem
- xgoddess210
- · Replies 6 ·
Need to know how to solve for test
- kiarrahannice
- · Replies 1 ·
Magnetic field using the Biot-Savart Law
- w3390
- · Replies 3 ·
Equivalent capaticnace, charge, voltage
- JSmith2009
- · Replies 2 ·
Finding weight of a mass on an accelerating and braking elavator
- alexas
- · Replies 8 ·
Calculating Coefficient of Friction for Two Blocks
- cosmoo
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Calculate Potential Energy of 8.4N Spring w/31.9 N/m Constant
- Rha1828
- · Replies 4 ·
Billiard ball collision at right angle
- Brite
- · Replies 1 ·
Velocity/Time/displancement Question
- Aicelle
- · Replies 4 ·
Tension of two ropes given mass and angle
- alexas
- · Replies 15 ·
Charge flow when mica dielectric fills an air capacitor
- Jscrub
- · Replies 5 ·
Force of Gravity on the tip of a giant snowcone
- m00npirate
- · Replies 1 ·
Critical Pressure and Temperature of a van der Waals Gas
- e(ho0n3
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How Is Static Friction Calculated on an Inclined Plane with a Spring?
- kiarrahannice
- · Replies 17 ·
Can Kinetic Energy Be Completely Lost in a Collision?
- TwinGemini14
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Trajectory/velocity/time question
- Puchiko
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Solving Problem with Units: Max Elastic Potential Energy
- jg370
- · Replies 1 ·
Finding the point where Earth and Moon's gravitational forces balance
- wilson_chem90
- · Replies 42 ·
The current and magnetic field of an ideal solenoid.
- winbacker
- · Replies 1 ·
Image in plane mirror producing light intensity on a screen
- DANIELLYMA
- · Replies 6 ·
Work done by piston in combustion chamber with fuel energy input
- nlsed
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Why does a spring mass system have angular frequency?
- sArGe99
- · Replies 2 ·
Finding tensions in a rod suspended by two strings
- physicsneek
- · Replies 3 ·
Magnetic Flux through a bent loop.
- Jnumen
- · Replies 2 ·
How Does Radial Density Variation Affect Gravity on a Sphere's Surface?
- nns91
- · Replies 2 ·
Thermodynamics: adiabatic processes
- zandbera
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I need suggestions for my Physics extended essay
- dyzoka
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How Fast Must a Student Climb to Match a Lightbulb's Power Output?
- Knfoster
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Electricity Experiment (Internal Resistance)
- leviathanX777
- · Replies 5 ·
Graphing velocity vs mass for elevator experiment
- Mathbather
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Impulse, Linear momentum belly flop
- rmunoz
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Centripetal Acceleration of space shuttle
- E.M.S
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How can a vector be resolved into components in various directions?
- sArGe99
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Finding the initial velocity of a projectile motion
- midge
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Why Does Friction Act in the Same Direction as the Force on a Rotating Disc?
- sArGe99
- · Replies 1 ·
Block sliding down ramp: finding speed at point B given two initial speeds
- rmunoz
- · Replies 2 ·
Inelastic Collision of a football tackle
- llauren84
- · Replies 8 ·
Very trick velocity vs. time graph
- ChrisEffinSmi
- · Replies 7 ·
Tension and Acceleration in a Pulley System
- wowdusk
- · Replies 5 ·
Dielectric constant of the materials, k
- darkeng
- · Replies 11 ·
Conservation of energy and work
- Knfoster
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Spring constant and conservation of energy
- Knfoster
- · Replies 6 ·
Ratio of Angular Momentum: Compact Disc vs. Record?
- shadowice
- · Replies 1 ·
Increasing Force: Velocity, Height Calculation
- ShadowDatsas
- · Replies 1 ·
Did I do this question correctly?
- andgabbana
- · Replies 9 ·
Entropy of water and reservoir
- Slepton
- · Replies 2 ·
How much work a battery does connected to a resistor
- Marina1234567
- · Replies 5 ·
Kinetic energy and Angular momentum
- Stryder_SW
- · Replies 10 ·