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 Far Will a Human Cannonball Travel When Their Acceleration is 0?
- jean28
- · Replies 6 ·
Aerodynamics mini lesson questions
- lions48
- · Replies 3 ·
Help: Question about Orbitals and Quantum numbers - Thanks
- nukeman
- · Replies 4 ·
How Do You Calculate Amplitude and Wave Velocity from a Wave Equation?
- chomsky
- · Replies 1 ·
Problem involving Forces, torque,friction and object tipping
- lingoo
- · Replies 6 ·
Components of Velocity (Collisions)
- FeDeX_LaTeX
- · Replies 3 ·
Physics problem about Earths rotation after 45 centuries
- wbetting
- · Replies 2 ·
Direction of a vector after I have already found magnitude
- wbetting
- · Replies 4 ·
Motion on Inclined ramp with Friction Problem
- DividedbyZero
- · Replies 21 ·
Calculations in regards to a car coming to a stop, help is needed.
- connormaphone
- · Replies 9 ·
Solving Motion along a Line: Finding Turning Points, Max U & Frequency
- zebrastripes
- · Replies 2 ·
Faulty lamp because it short circuit
- thoradicus
- · Replies 7 ·
Simple Harmonic Motion Question
- sketchd2
- · Replies 6 ·
Fluid Mechanics - find a cavity of a block if it exist?
- mistax
- · Replies 1 ·
Calculating Voltmeter's Resistance
- ZxcvbnM2000
- · Replies 4 ·
How Does Gauss' Law Apply to Gravitational Fields?
- arl146
- · Replies 7 ·
A wheel is making 240 rpm and after 30 sec and after 30 sec
- manal950
- · Replies 5 ·
How Does Changing Force Angle Affect Kinetic Energy Increase in a Sled?
- Parzival
- · Replies 6 ·
Angular acceleration of a wheel formula
- MrPotatoHead
- · Replies 2 ·
What is the formula for calculating the lifetime of a star?
- Johnboy
- · Replies 1 ·
Rectangular coil rotating in magnetic field
- ihateblackbox
- · Replies 4 ·
Is the Luminosity-Mass Relationship in Stars Misleading?
- Johnboy
- · Replies 2 ·
Help with height of image in a mirror
- re496210
- · Replies 2 ·
Finding Mass in SHM with Known Spring Constant and Velocity
- JoulesVerms
- · Replies 2 ·
Barrier Tunneling Probability (Proton)
- bayan
- · Replies 3 ·
Understanding Current Splitting at Junctions with Multiple Batteries
- AdkinsJr
- · Replies 8 ·
Magnitude of perpindicular vectors
- Tankertert
- · Replies 1 ·
Force Exerted From the Ground During a Jump.
- JSpadafore
- · Replies 2 ·
Center of mass variable ambiguity
- QD311
- · Replies 3 ·
What is the light's wavelength?
- yy205001
- · Replies 1 ·
Electron or Proton gun (+/- charge) from magnetic field?
- d3nat
- · Replies 1 ·
Physics question - Constant acceleration and distance travelled
- physics.geeks
- · Replies 5 ·
A ball is thrown into the air + missing class
- yumito
- · Replies 10 ·
Group of partcles in a magnetic field
- TheWire247
- · Replies 3 ·
Having trouble finding trajectory of a small rocket
- KiwiD
- · Replies 1 ·
Do the solutions have an error linear+rotational motion of a rigid body
- Femme_physics
- · Replies 7 ·
Calculating Impulse from a Graph: How to Solve the Problem
- Nitrate
- · Replies 2 ·
Undergraduate Mechanics (Problem with force expressed as basis vectors)
- s3a
- · Replies 4 ·
Troubleshooting Trig Problem 1-5: Confirmation Needed
- s3a
- · Replies 2 ·
Damped Simple Harmonic Motion: Solving for Period and Phase Delta
- roam
- · Replies 10 ·
What Happens When a Piston is Added to a Cylinder in Pascal's Law Experiment?
- Baxidur
- · Replies 4 ·
Physics 1 related rates homework question.
- fletchea
- · Replies 3 ·
Is My Magnetic Flux Homework Solution Incorrect?
- bckcookie
- · Replies 1 ·
Calculating Magnetic Flux: A Troubleshooting Guide
- bckcookie
- · Replies 1 ·
Direction of the magnetic force
- Nitrate
- · Replies 3 ·
Current, Polarity and EMF through circuit?
- TheWire247
- · Replies 4 ·
Why Does a Motorcycle Accelerate Faster Than a Large Truck?
- Nitrate
- · Replies 3 ·
Calculating the momentum of a softball
- Nitrate
- · Replies 1 ·
Solve Your Circuit Question: Understanding Voltage Drop in Series Lamps
- modis15
- · Replies 1 ·
Displacement of emerging light ray
- jssamp
- · Replies 9 ·
Quick electric field of a line segment integral question
- StephenD420
- · Replies 2 ·
Kinematics Vectors and cartesian coordinates. Plane with wind blowing.
- freddyb
- · Replies 1 ·
Label Conversion factor (Temperature)
- kewlergel
- · Replies 1 ·
Physics past paper question - hard disks
- jsmith613
- · Replies 2 ·
Capacitance Q: Connected in Series/Parallel? Charge on Plates?
- Saitama
- · Replies 11 ·
Parallel Capacitors: Homework Solution for 9 μF Charge
- ZxcvbnM2000
- · Replies 2 ·
Calculating Final Speed in Elastic collision (momentum)
- Mushroom79
- · Replies 3 ·
Calculating Magnetic Field of Solenoid Coil with AC Current
- moosavimaleki
- · Replies 1 ·
Can the Dot Product Determine Maximum Distance from the Origin?
- jimmy42
- · Replies 3 ·
How Much Work Is Needed to Push a Crate Up an Inclined Plane?
- mstine87
- · Replies 1 ·
Moment of Inertia of a Hollow Cylinder
- NeuronalMan
- · Replies 1 ·
Numerical based on 3 parallel plates -Find the charge problem
- aashishrockzz
- · Replies 9 ·
Water Evaporation (Thermodynamics)
- roam
- · Replies 5 ·
Finding amplitude of a baby in cot
- charmedbeauty
- · Replies 9 ·
Understanding superposition of forces and its consequences
- aaaa202
- · Replies 5 ·
Calculating Potential Energy of a Bow + Projectile calculations
- xxshabsxx
- · Replies 1 ·
How to Find the Angle Between Two Vectors?
- Michaelh926
- · Replies 10 ·
Images in a diverging lens are always virtual. when an objectis placed
- nic.harv
- · Replies 7 ·
Electricity, Direction of Charge Problem
- Bound
- · Replies 3 ·
Electron wave function and Probability
- bayan
- · Replies 2 ·
Change in momentum of baseball being struck
- Zach Lunch
- · Replies 1 ·
Help: Writing the 4 quantum numbers for each of the 8 electrons?
- nukeman
- · Replies 5 ·
Is My Solution for Magnetic Field and Force Correct?
- bckcookie
- · Replies 3 ·
Vectors Using Cosine or Sin Law
- xChee
- · Replies 2 ·
Finding the velocity of the wind
- xChee
- · Replies 4 ·
2 hanging masses with springs, find spring constant
- Hyperfluxe
- · Replies 4 ·
Kinetic Energy including a pulley
- Lydia22
- · Replies 9 ·
I : How does an a.c generator work ?
- k4lady
- · Replies 1 ·
Why Do Rockets Measure Different Collision Times in Relativity?
- snellslaw
- · Replies 9 ·
Statics problem about an anchored plank in water
- vanillin
- · Replies 6 ·
Energy, temperatures and efficiency
- Flucky
- · Replies 2 ·
What Equation Should I Use for Calculating Total Impedance in RLC Circuits?
- Mrhu
- · Replies 3 ·
Calculating Drop Size, Number and Time for Water Flow Through Capillary
- 10bunny10
- · Replies 4 ·
Object sliding with friction into a spring Find compression
- SamLing2000
- · Replies 9 ·
Obtaining mathematical model for the kinetic system
- ssulun
- · Replies 4 ·
Factoring known drag into finding height of projectile
- Chark711
- · Replies 1 ·
An electron is then shot between the plates
- arl146
- · Replies 2 ·
Crash Momentum: 1500kg Boulder, 500kg Truck
- Tankertert
- · Replies 1 ·
Why Does the Aluminum Ring Hover Unsteadily in a Magnetic Levitation Experiment?
- jsmith613
- · Replies 2 ·
The 200g model rocket,Angular acceleration
- Lydia22
- · Replies 1 ·
Combining two equations - HOOOOW?
- ks23
- · Replies 10 ·
Finding Current given kilo-ohms and volt
- warnexus
- · Replies 8 ·
Find the current given length and magnetic field strength
- warnexus
- · Replies 2 ·
Calculating capacitance -Got wrong answer
- warnexus
- · Replies 4 ·
Finding current in parallel RLC Circuit
- Mrhu
- · Replies 10 ·
Induced emf is my answer correct ( not sure about b value)
- pokie_panda
- · Replies 2 ·
Rewriting SHM equation from a function of sin(wt) and cos(wt) to just cos(wt-∅)
- jammydav93
- · Replies 2 ·
Digital Technology - CDs and Storage Space
- Peter G.
- · Replies 2 ·
[Thermodynamics] Calculate change in entropy of closed reversible system
- Ortix
- · Replies 6 ·