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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How Does Projectile Motion Relate to Speed and Distance Graphs?
- Zel
- · Replies 1 ·
Understanding Angular Velocity: W = 2pi(f) ?
- mlostrac
- · Replies 2 ·
Can a body rotate about its centre of gravity ? explain with example
- zainriaz
- · Replies 1 ·
Lens and Mirrors: Which Diagram Has the Larger Image?
- Ki-nana18
- · Replies 1 ·
What is the Work Done on a Moving Coin?
- lobooswa
- · Replies 8 ·
Car on the banked turn with friction
- Mehtab
- · Replies 3 ·
Archimedes Principle and hanging block
- pat666
- · Replies 25 ·
What is the height of the methane atmosphere?
- ghostbuster25
- · Replies 2 ·
Curling stone coming to rest - friction
- ghostbuster25
- · Replies 13 ·
Finding the Optimal Flight Path to the Origin: A Vector Addition Problem
- Altheides
- · Replies 2 ·
Calculate EMF in a Loop: Faradays Law
- beetle2
- · Replies 2 ·
Drawbacks of Simple Pendulum as a Time Standard
- zainriaz
- · Replies 2 ·
World Record Longest Home Run: Roy "Dizzy" Carlyle
- Motorboar
- · Replies 4 ·
Angular frequency of a spring-mass system?
- MCATPhys
- · Replies 28 ·
Help Gravitational Force Question.
- eco742
- · Replies 3 ·
Gauss's Law: Field of a line charge and cylinder
- tim37123
- · Replies 7 ·
Measuring the frequency-dependency of the resistance of a coil inductor
- Hindsigh101
- · Replies 1 ·
A particle is moving with a velocity of 60.0 m/s
- r-soy
- · Replies 1 ·
Finding the velocity of wind that affects an airplane
- Drex7
- · Replies 2 ·
Who I can find the displacement in this Q ?
- r-soy
- · Replies 4 ·
How Do You Calculate Secretariat's Speed and Acceleration in the Kentucky Derby?
- r-soy
- · Replies 1 ·
Solve Trebuchet Efficiency Mystery
- thua
- · Replies 2 ·
How can i find the efficiency of a trebuchet and/or catapult
- Laozi
- · Replies 11 ·
Various questions regarding sound waves(thanks)
- moesom
- · Replies 1 ·
Which Equations constant I use here ?
- r-soy
- · Replies 2 ·
Interference in thin microscope films
- nonequilibrium
- · Replies 23 ·
Rollercoaster Physics: Calculating Speed and Energy Transformations
- gigglesnicole
- · Replies 2 ·
OCR Exam Past Papers & Mark Schemes: Physics A 2006
- Janka
- · Replies 6 ·
Calculate Pressure of Gas with Light Piston
- thereddevils
- · Replies 5 ·
Predicting Heat Loss from Glass Beaker Experiment
- vr_ben
- · Replies 4 ·
Calculating Work Done on a Wooden Block Resting on Surface PQYX
- thereddevils
- · Replies 4 ·
Answering MCQs on Sound Amplitude and Intensity
- UNknown 2010
- · Replies 3 ·
Finding total energy from the top of a hill on a rollercoster?
- gigglesnicole
- · Replies 1 ·
How Do You Calculate Resultant Displacement for Two Interfering Waves?
- roam
- · Replies 3 ·
Doppler Effect 2 Homework: Calculating Distance of Police Car from Ambulance
- roam
- · Replies 1 ·
Accelerating a stationary proton
- jeffreyl
- · Replies 6 ·
Designing a Stable Model Rocket for Windy Conditions
- Abraham
- · Replies 18 ·
Question makes no sense, but should be simple
- SoulInNeed
- · Replies 5 ·
Doppler effect of submarines question. Please help
- XxDonniexX
- · Replies 7 ·
Reversing Spin: What's Behind the Physics Phenomenon?
- diegocas
- · Replies 1 ·
Resistor, capacitor and coil with Alternating current
- Karol
- · Replies 2 ·
Submarine Distance - Hard Doppler effect
- pat666
- · Replies 21 ·
How do you solve this simple problem 3.13(1+x)^2 = 4.32
- peter135
- · Replies 6 ·
Finding Angular Acceleration of Uniform Rod
- roam
- · Replies 3 ·
Tyrolean traverse - Forces Question
- hanlon
- · Replies 17 ·
Why Is Jim Hearing a Different Frequency from the Ambulance Siren?
- roam
- · Replies 4 ·
How to Calculate the Radius of the Second Sphere in a Conductor Problem?
- xsc614
- · Replies 1 ·
How is this possible? (circuits)
- kliker
- · Replies 8 ·
What are the steps for solving Archimede's principle problems?
- EzaMoo
- · Replies 4 ·
Absorption Lines in Gas Atoms: Examining Electron Transitions
- struggling:(
- · Replies 9 ·
Why use a single slit before double-slit diffraction?
- binbagsss
- · Replies 1 ·
Projectile Motion: Finding Vertical Distance in 2-D without Air Resistance
- Agent M27
- · Replies 3 ·
Calculate Velocity with Given/No Acceleration - Get Help Here!
- r-soy
- · Replies 2 ·
Q in instantanous acceleration I want check my answer .
- r-soy
- · Replies 3 ·
Can a Photon Decay into an Electron and Positron?
- iloveannaw
- · Replies 6 ·
Gas Laws Homework: Calculate Mass of Propane Used
- pat666
- · Replies 1 ·
Electric Field Lines, Misconception
- Dweirdo
- · Replies 4 ·
What is the tension in the towbar?
- Stroodle
- · Replies 1 ·
What is the total length of an ellipse and how can it be calculated?
- ktpr2
- · Replies 6 ·
At what distance from the Earth and the moon have zero net force?
- Gardalay
- · Replies 2 ·
Rocket Launch Question: Calculating Height After 1.5s with Given Mass and Force
- PhysicsTurkey
- · Replies 1 ·
How Do You Calculate Specific Heat Capacity and Latent Heat of Fusion for Lead?
- pat666
- · Replies 19 ·
How Far Will Car A Travel Before Being Overtaken by Car B?
- prace
- · Replies 3 ·
Did I do this physics problem right?
- zeromodz
- · Replies 2 ·
Molar Specific Heat: Difference Between CV & CP
- Charanjit
- · Replies 5 ·
Find initial velocity with accelration as a funt. of t
- mnafetsc
- · Replies 2 ·
Calculate the mass of propane that has been used
- EzaMoo
- · Replies 4 ·
Max Nozzle Size to Reach 35m: Solving the Fire-Hose Puzzle
- EzaMoo
- · Replies 2 ·
Doppler effect wavelength from car
- matt_crouch
- · Replies 5 ·
Solve for Theta: 160cosx/cos40 + 160sinx - 200 = 0
- caljuice
- · Replies 7 ·
Can Static and Kinetic Friction Prevent a Car Crash?
- mb218
- · Replies 1 ·
Optical Path length in core fiber of fiber optic faceplate
- jcates7
- · Replies 1 ·
Buoyancy: tossing Archimedes' rock out of a boat
- Kilt
- · Replies 14 ·
Answer Relative Time Travel Question: What Speed to Remain 21 for 10 Years?
- Procrastinate
- · Replies 3 ·
Calculating TNT Needed to Match Energy of 1 Gram U-235
- Cudi1
- · Replies 1 ·
Statics : Force on Equilibrium Problem
- trigun541969
- · Replies 1 ·
Charged particle in magentic field problem
- tomanator
- · Replies 12 ·
What are the possible resistance values with only a 30Ω and 60Ω resistor?
- Sebkl23
- · Replies 2 ·
Is the Work Calculation for Overcoming Friction Correct?
- Brittykitty
- · Replies 6 ·
Calculating Frequency of Siren in Windy Conditions
- pat666
- · Replies 6 ·
Missing gravity and kinetic friction
- randomss444
- · Replies 1 ·
How Do You Find the Y-Coordinate of a Parabola's Vertex?
- csands
- · Replies 1 ·
Can an object lose weight just by moving higher above the Earth?
- physics(L)10
- · Replies 1 ·
Collisions: Understanding Conservation of Momentum
- urgent
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Energy of Electron at 0.1c: Consider Relativity Effects?
- enricfemi
- · Replies 6 ·
What are the physics involved a in backflip?
- Complex302
- · Replies 2 ·
Determining the voltage of a power source
- nokia8650
- · Replies 3 ·
Find flux of CO2: convert (μmolCO2 (mol air)^-1) to (mgC)(m^-2 of ground hr^–1)
- mroldboy
- · Replies 1 ·
Solve H=mcDeltaT Homework Problem with Explanation
- Kyyliieee
- · Replies 5 ·
Comparing Binding Energy: Electron vs. Neutron
- Cudi1
- · Replies 2 ·
Experimental Determination of Speed of Sound in Steel and Aluminum Rods
- momopeaches
- · Replies 2 ·
Pulley System- equation derivation
- hanlon
- · Replies 3 ·
Maximum compression of the spring
- aznboi855
- · Replies 4 ·
Horizontal distance travelled at given time
- TeamChuck
- · Replies 19 ·
Calculate Net Acceleration of Masses: F=ma, t=mg+ma, t=mg-ma
- fcb
- · Replies 1 ·
Direction of acceleration and velocity.
- Agent M27
- · Replies 1 ·
Total charge given potential V(r)
- Saraphim
- · Replies 9 ·
Youngs modulus - stress- check please - easyish
- pat666
- · Replies 7 ·
Pressure, Volume & Temperature: Homework Solutions
- ar202
- · Replies 4 ·