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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Conservation of energy with a rocket disagreement
- Snakeish
- · Replies 6 ·
Relative Velocity - is the answer correct?
- Mezz
- · Replies 2 ·
Using Xsens MTi-G to Plot Motion in Plane
- evol_w10lv
- · Replies 2 ·
Black Body Radiation: Will it Behave as Perfect Black Body?
- Abhisuma
- · Replies 10 ·
What is the Mean Lifetime of Muons?
- FlixB
- · Replies 2 ·
Max Force on a Ladder When "Walking" it to Vertical Position
- Richard D.
- · Replies 14 ·
Why Is the Right Hand Rule So Confusing?
- Redfire66
- · Replies 3 ·
Mass Spec Problem Accelerating potential difference ΔV is required to detect N2+?
- Tina20
- · Replies 1 ·
In which point between Earth and Moon is gravity field zero
- adok
- · Replies 25 ·
Young's double slit and radio antennas
- Lozzalay
- · Replies 2 ·
Cylindrical Charge distribution with dielectric shell
- nich
- · Replies 2 ·
Work, Kinetic Energy, Spring, Friction Problem
- Tristin_noel
- · Replies 1 ·
Classical Mechanics - finding displacement with given force
- c_pearls
- · Replies 5 ·
Please help my son year 12 physics -- frequency and wavelength
- martin traub
- · Replies 2 ·
Simple Harmonic Motion problem with spring mass system
- physicsuwa
- · Replies 11 ·
Velocity of Center of Mass for a Downwardly-Rotating Sphere
- CARNiVORE
- · Replies 4 ·
Atwood's Machine Acceleration Rate and Maximum Value
- arenzob
- · Replies 3 ·
Magnitude of force on point from wire
- Ozmahn
- · Replies 12 ·
Solving for distance between plates, diameter of a capacitor
- PhysicsMan999
- · Replies 5 ·
How Do Block Diagram Simplifications Reflect Underlying Equations?
- princejan7
- · Replies 3 ·
Solve Block on Incline HW: F=ma & Fn=mgsinθ
- PierceJ
- · Replies 3 ·
A=F/M Based problem - air track glider
- HJ^2
- · Replies 5 ·
Calculating Velocity of Ice Skater After Throwing Snowball
- PierceJ
- · Replies 14 ·
Three charges at corners of equilateral triangle
- PseudoGal
- · Replies 5 ·
Penguin Sliding on Antarctic Ice: Velocity at t=11.81s
- PierceJ
- · Replies 12 ·
Nuclear waste and depleted uranium research paper (No math)
- scorpius1782
- · Replies 10 ·
Calculating Projectile Motion for Cannon and Window Scenario
- Femme_physics
- · Replies 6 ·
Finding resultant velocity from angular acceleration
- Michael Fox
- · Replies 2 ·
Calculating Applied Force in a Two-Crate System with a Spring
- PierceJ
- · Replies 16 ·
A spring and two blocks with kinetic energy
- hs764
- · Replies 8 ·
Identical Objects in Contact: Energy Transfer and Temperature Change
- gcjdavid
- · Replies 4 ·
Lab Report- Circuits Calculating Resistance and Current
- Dhooy7
- · Replies 5 ·
How Do You Calculate the Tensions in a Two-Rope System with a Suspended Mass?
- PierceJ
- · Replies 19 ·
Find the initial velocity of truck before collision
- tjae
- · Replies 1 ·
What is the Rate of Tungsten Evaporation in a Light Bulb?
- tdog123
- · Replies 6 ·
Does the equation N = No e¯kt represent Radiation Strength?
- Alexandra7
- · Replies 1 ·
What is the average intensity at a distance?
- Sylvia
- · Replies 2 ·
Projectile motion basketball ball shot help
- jamescb82
- · Replies 10 ·
Magnetic Fields / Force / Current
- julianwitkowski
- · Replies 35 ·
Energy carried by electromagnetic waves question
- Nyxious
- · Replies 14 ·
What is the velocity of a 5.46 kg object after 6 seconds?
- Shoebox
- · Replies 7 ·
Calculating Kangaroo Jump Distance: How High Can They Go?
- Shoebox
- · Replies 14 ·
Variation of saturation photocurrent with intensity
- enkriya
- · Replies 4 ·
Calculate mass of oil droplet between parallel plates
- PhysicsMan999
- · Replies 2 ·
Forces help (friction, tension, etc.)
- Reizor1989
- · Replies 2 ·
Torque: stick resting on a bowling ball
- henry3369
- · Replies 11 ·
Unfixed charges released from rest
- END
- · Replies 2 ·
Problem of fluid -- Blocks, pulley, two fluids
- Queren Suriano
- · Replies 5 ·
Finding amplitude of mass-spring oscillation with initial displacement and velocity
- Queequeg
- · Replies 1 ·
Did I Make a Mistake in My Spring Constant Calculation?
- squashen
- · Replies 5 ·
Constant acceleration trajectory
- jal3ous
- · Replies 4 ·
Voltage difference of circuit segment
- Rabbittt
- · Replies 1 ·
Calculation to launch a golf ball
- Maricalue
- · Replies 5 ·
Fluid problem -- Piston moving in an oil-filled cylinder
- Queren Suriano
- · Replies 9 ·
Lightsorce through spectrometer
- SwedishFred
- · Replies 5 ·
Prooving a system will travel up to 180 degrees
- physicsodyssey
- · Replies 3 ·
Energy conservation and periodic motion
- arpon
- · Replies 9 ·
How can I find an objects # of revolutions as it accelerates
- Kacie
- · Replies 3 ·
Equillibrium: torque and net force
- henry3369
- · Replies 2 ·
Given Moment about a Pin and a Roller
- hdp12
- · Replies 35 ·
How Does Acceleration Affect the Scale Reading in Newtons?
- Shoebox
- · Replies 6 ·
Projectile (Which Statements are true?)
- Smart-Bunny
- · Replies 5 ·
Finding density of fluid from a mass on a spring in fluid
- zuccj01
- · Replies 2 ·
Equilibrium in Two Dimensions: What Force Does a Hanging Boy Exert on Each Tree?
- Leelo
- · Replies 1 ·
Physical significance of Volumetric Flux
- muskie25
- · Replies 1 ·
Estimate stopping force of roof versus tornado
- Samuelriesterer
- · Replies 20 ·
Heat capacity of water -- experimental determination
- sunquick
- · Replies 3 ·
Problem integrating gamma ray absorption model
- d3ntr0n
- · Replies 2 ·
Describing how to make a standing wave?
- Kevin Spacey
- · Replies 1 ·
Find angular acceleration using theoretical values
- Thynazgul
- · Replies 6 ·
What is the maximum height reached by a launched human?
- Richard09876
- · Replies 5 ·
Speed Time Estimation from a video
- Richard09876
- · Replies 5 ·
Box sliding down wall at constant speed
- ayjakk
- · Replies 1 ·
How does increasing temperature increase modes?
- romantichero7
- · Replies 3 ·
Find unknown angle of Projectile
- h.s
- · Replies 10 ·
Calculate the position of the center of mass
- Robin04
- · Replies 2 ·
Tungsten x-ray target replaced by molybdenum.
- sudipmaity
- · Replies 1 ·
Is the Stated Uncertainty Consistent with the Data?
- ma18
- · Replies 1 ·
Massive cable and massive pulley
- Yoni V
- · Replies 5 ·
Number of linearly independant motions
- princejan7
- · Replies 1 ·
How Do I Determine the Change in Entropy of the System?
- Gwozdzilla
- · Replies 6 ·
Rotational energy on an incline
- ZachAW
- · Replies 3 ·
How do I check if it is a positive charge or negative charge?
- CKaiL
- · Replies 5 ·
Transfer function for a system with lossless gears
- theone
- · Replies 2 ·
What is the relationship between torque and frictional force in this system?
- Joe Armas
- · Replies 3 ·
Calculating Maximum Weight on a Tipping Table with a Cat: Torque Analysis
- henry3369
- · Replies 5 ·
Projectile Motion balloon question
- Elvis 123456789
- · Replies 10 ·
Resultant Velocity of Thor's Hammer
- patdon22
- · Replies 1 ·
An object on an incline of 20° (degrees)
- vizakenjack
- · Replies 7 ·
Relative Velocity of Particles a & b in Angular Motion
- PFuser1232
- · Replies 4 ·
When to use conservation of angular momentum
- henry3369
- · Replies 10 ·
Charge and Voltage on Capacitors.
- Yut
- · Replies 5 ·
How Does String Tension Affect the Sound of a New Musical Instrument?
- Emily_20
- · Replies 31 ·
Spacetime diagram problem (spacelike intervals)
- Moataz
- · Replies 2 ·
How Accurate Are These Torque Calculations?
- amy098yay
- · Replies 8 ·
Potential difference between three capacitors in series
- Ware182
- · Replies 12 ·
Calculating the End Temperature of Adiabatic Compression for an Ideal Gas
- Incand
- · Replies 4 ·
Harmonics Question: How Can Harmonics Be Present?
- ThatDude
- · Replies 2 ·