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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Determining direction and magnitude of electric field in a ring.
- stripes
- · Replies 9 ·
Sailboat Acceleration Calculation
- DriverX
- · Replies 4 ·
Direction of electrostatic force and field?
- MCATPhys
- · Replies 2 ·
Fission Reactor Collisions: Calculating Neutron and Carbon Nucleus Speeds
- roam
- · Replies 5 ·
Getting started with kinematics and projectile motion
- Dsoto489
- · Replies 80 ·
E=d/dt(NBAcostθ) Magnetic Field Induced by Rotating Wire in Uniform Field
- iDyNaMiKz
- · Replies 1 ·
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 ·
Plane flying toward origin with crosswind using vector addition
- 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 ·
Gravitational force on a mass on the axis of a ring
- eco742
- · Replies 3 ·
Electric field outside a charged wire inside a charged cylinder using Gauss's law
- 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 ·
Trebuchet efficiency calculation gives 430%, what's wrong?
- 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 ·
Finding OCR Physics A mark scheme from January 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 with two moving submarines and reflected sonar
- XxDonniexX
- · Replies 7 ·
Why does a spinning object reverse direction instead of stopping?
- 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 ·
Finding total resistance in a mixed series-parallel circuit
- kliker
- · Replies 8 ·
What are the steps for solving Archimede's principle problems?
- EzaMoo
- · Replies 4 ·
Which electron transition produces the lowest frequency absorption line
- 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 ·
When to use v=Δx/Δt versus v=v0+at?
- r-soy
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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 ·
Mass of propane used when tank pressure drops from 1.30×10⁷ to 2.50×10⁵ Pa
- 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 ·
Coefficient of friction for 10 kg box pushed at constant velocity
- zeromodz
- · Replies 2 ·
Difference between molar specific heat at constant volume and constant pressure
- 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 ·
Finding theta in 160cosθ/cos40° + 160sinθ - 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 ·
Does water level change when dropping a rock from a boat into a pool?
- 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
- · Replies 1 ·
Energy of an electron at 0.1c and when to consider relativity
- 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 ·
How to use H=mcΔT to find calories burned warming ice water
- Kyyliieee
- · Replies 5 ·
Binding energy per nucleon vs per electron in deuterium
- 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 ·