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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Second Order Op Amp circuit: Find Vo for t > 0
- VinnyCee
- · Replies 1 ·
Solving Impedance/Admittance for V_s w/ 2 Caps, 2 Inductors, 2 Res.
- VinnyCee
- · Replies 1 ·
Solving Pendulum Dynamics on a Rotating Platform
- ataglance05
- · Replies 2 ·
What Is the Pressure Inside a Bubble 4.0 m Below the Surface of Ethyl Alcohol?
- davidatwayne
- · Replies 3 ·
Capacitor made from pie tins and Kirchhoff's circuit problem
- Nick L
- · Replies 1 ·
Wavelength of visible light under a oil leak
- jarod
- · Replies 3 ·
Solve Equilibrium Problem: Brian from Chico State
- waterfolwer
- · Replies 3 ·
Proton in accelerator and magnetic field: work, velocity, radius, period, pitch
- nitrik
- · Replies 1 ·
Center of Mass, Momentum, and you
- Devrin
- · Replies 2 ·
Object launched from cliff with 50 ft/sec thrust for 2 seconds
- MC Escher
- · Replies 16 ·
Wave travel time vs rotation angle in spinning cord and block
- feelau
- · Replies 1 ·
How can I improve my problem-solving skills for a physics exam?
- grewas8
- · Replies 3 ·
Equation for the max height reached by a projectile
- ph123
- · Replies 1 ·
How long the sun would shine if it converts all it's Hydrogen to Helium
- b_o3
- · Replies 15 ·
Momentum/velocity/position graphs
- hhq5000
- · Replies 1 ·
Optics, camera lenses and object height/size
- map7s
- · Replies 7 ·
Calculating Fluid Velocity in a Constricted Tube
- dylee3
- · Replies 3 ·
Finding Distance Between Lens Positions: Solve for a
- dmolson
- · Replies 1 ·
Two capacitors charged to different potentials when connected
- spudvr
- · Replies 4 ·
What Determines the Thermal Conductivity of Gases?
- x.users
- · Replies 1 ·
Phasor circuit problem: 1 resistor, 1 capacitor, 1 inductor, 1 Voltage source
- VinnyCee
- · Replies 3 ·
What is the tallest straw that you could, in principle, drink from
- ruffkilla
- · Replies 5 ·
Doppler effect sensitive parabolic sound collector
- Rasine
- · Replies 7 ·
Calculating the Transition from Radiation to Matter Dominated Universe
- b_o3
- · Replies 8 ·
Integration questions for my astoronomy class
- b_o3
- · Replies 3 ·
How Does Resistance and EMF Affect Energy Transfer in a Circuit?
- justine411
- · Replies 1 ·
Calculating Work Required to Move Test Charge
- dotcom
- · Replies 7 ·
Focal Length of Thin Lenses in Different Mediums
- map7s
- · Replies 8 ·
How Does a Spinning Platform Affect the Period of a Pendulum?
- ataglance05
- · Replies 1 ·
How High Did Jose Jump Above the Lowest Point on His Bungee Adventure?
- abeltyukov
- · Replies 1 ·
Electric charge to cause spark in air
- flash
- · Replies 10 ·
Why does mass have the force of gravity?
- dhayward
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Should We Invest in Tracking Space Rocks?
- raman911
- · Replies 11 ·
Diffraction from a circular aperture
- Brewer
- · Replies 2 ·
Moment of Inertia Calculations for Varying Mass Rod and Hollow Ring
- loz1588
- · Replies 5 ·
Finding Distance Above Long Straight Wire Carrying Current
- brunie
- · Replies 1 ·
Finding Spring Constants: An Experiment
- ||spoon||
- · Replies 7 ·
Ultrasonic transducer disk maximum speed in SHM
- abeltyukov
- · Replies 4 ·
Finding the age of the universe at a given redshift
- b_o3
- · Replies 2 ·
Answer: Solve Angle of Refraction in Equilateral Glass Prism (n = 1.35)
- map7s
- · Replies 1 ·
Calculating Coefficient of Static Friction with Oscillating Masses
- abeltyukov
- · Replies 13 ·
Simple fixed axis rotational problem
- emtilt
- · Replies 5 ·
Maximize Battery Lifetime: Drawing a Circuit
- physicsstudent14
- · Replies 3 ·
Checking a Problem: Speed of Bending Rod Tip
- Ja4Coltrane
- · Replies 3 ·
Problems involving electromagnetism
- 21385
- · Replies 1 ·
How can I derive the quality factor in an RLC circuit?
- gazepdapi1
- · Replies 2 ·
Frequency of mass on vertical spring with k=23.5 N/m
- Rasine
- · Replies 3 ·
An Air-Filled Toroidal Solenoid
- GreenMind
- · Replies 1 ·
Minimum rear-view mirror dimensions to see entire rear window
- map7s
- · Replies 2 ·
How Does Doubling Power Output Affect a Kayaker's Speed?
- harmeet_angel
- · Replies 1 ·
Universal Gravitation Problem (Grade 11)
- danielle_54321
- · Replies 3 ·
Semi difficult fusion problem, thanks
- rob36
- · Replies 1 ·
Can a Bird Fly Horizontally in a Cage With Downward Acceleration?
- srikanth.isro
- · Replies 8 ·
How can I calculate the angle of a tilted mirror to see my reflection?
- map7s
- · Replies 2 ·
Solving Buoyancy Problem: Find Depth of Cylindrical Rod
- Shinaab
- · Replies 4 ·
How Can Engineers Safely Demolish a Hotel to Minimize Impact on Local Residents?
- raman911
- · Replies 8 ·
Simple Fluid pressure-force question
- grewas8
- · Replies 2 ·
Moment of inertia of a right triangle
- munther
- · Replies 5 ·
Rotation, Torque, Static Friction
- unique_pavadrin
- · Replies 4 ·
Why fundamental frequency change doesn't match the expected formula
- e(ho0n3
- · Replies 2 ·
Calculating Hydrogen to Helium Conversion in the Sun
- b_o3
- · Replies 14 ·
Angular Momentum of circular disk
- rms830
- · Replies 1 ·
How Does Rewinding a Coil Affect Its Self-Inductance and Energy Storage?
- Soaring Crane
- · Replies 1 ·
Sand/rice/gravel trap investigation
- ChrisYezt
- · Replies 2 ·
How to find sag and tension when adding a second wire to an existing one
- epena
- · Replies 1 ·
Time of flight with air resistance
- Caspian
- · Replies 5 ·
Wavelength and resistance of an LDR
- Deleted member 74205
- · Replies 3 ·
Solving Block on a Sphere: Find Distance Below Top
- anand
- · Replies 3 ·
Energy conservation problem (two star system)
- Jordanosaur
- · Replies 1 ·
Point charges and their movement in 3 space
- Ic3Blu3
- · Replies 3 ·
How Does the Arch Design Enhance the Strength of My Spaghetti Bridge?
- Marghk
- · Replies 1 ·
How Does a Nerve Cell Membrane Model Circuit Behave?
- muscles00gt
- · Replies 1 ·
What Physics Would Allow a Cow to Jump Over the Moon?
- diverse
- · Replies 1 ·
Calculating thermal kinetic energy of a liquid.
- Alex319
- · Replies 2 ·
Proving Friction on an Inclined Surface
- majdeee
- · Replies 3 ·
Velocity of 84 kg Skier Jumper After Jumping 105 m Hill
- raman911
- · Replies 9 ·
Calculating Tension in a Moving System: Ramp Angle, Masses, and Acceleration
- lapo3399
- · Replies 5 ·
Photoelectric effect and Aluminum
- n108
- · Replies 6 ·
What is the Angular Acceleration of a Rod?
- euphtone06
- · Replies 3 ·
Fundamental difference between classical and quantum mechanics
- peps
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Finding internal resistance of a 5V power supply with three resistors
- Khuwwa
- · Replies 6 ·
How Does Measurement Sensitivity Affect Current Detection in a Circuit?
- Andy_ToK
- · Replies 6 ·
Resistance of a light bulb changing with temperature
- Khuwwa
- · Replies 11 ·
What is the Release Height for a Ball and Disk in a Loop-the-Loop Problem?
- ruffrunnr
- · Replies 1 ·
How to Determine Current and Tension in Parallel Wires with Repelling Forces
- AznBoi
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How can the invariance of the wave equation be shown without using tensors?
- loonychune
- · Replies 6 ·
How Does Torque Affect Angular Momentum in a Sanding Disk?
- bearhug
- · Replies 7 ·
What Happens to a Ball's Trajectory in a Partial Loop-de-Loop?
- Loren Booda
- · Replies 8 ·
Water and ice reaching thermal equilibrium in an insulated container
- fluvly
- · Replies 2 ·
How Does Light Refraction Affect the Diameter of a Light Cone in a Pool?
- 21385
- · Replies 2 ·
Vectors and the trigonometric function
- nath_quam
- · Replies 4 ·
Difference between angular velocity and angular frequency
- logearav
- · Replies 3 ·
Solve the Rolling Question: Finding Horizontal Acceleration Without Slipping
- BHphy
- · Replies 3 ·
Speed of water reaching the second floor of a building
- fluvly
- · Replies 2 ·
Calculating Speed and Distance in an Inelastic Collision
- fluvly
- · Replies 9 ·
How Do You Calculate the Speed of a Water-Tube Towed by a Boat?
- Varano
- · Replies 3 ·
Faraday's Law of Induction and wire loop
- AznBoi
- · Replies 1 ·
Car slowing on wet unbanked curve with reduced friction
- quickclick330
- · Replies 10 ·
Calculating Energy and Fat Loss in Stair Climbing
- raman911
- · Replies 13 ·
How Do You Calculate Centripetal Acceleration and Friction for a Car on a Curve?
- chamonix
- · Replies 4 ·