Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
A force F is exerted on the top right corner of a rectangular plate at
  • cmkc109
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Finding resonance frequency of a hanging mass on a spring
  • Turion
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What is the Total Energy of a System with Given Values of Mass and Length?
  • Clever_name
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Stress Strain Curve: Explaining Beyond UTS
  • Nemo's
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Collision between two particles.
  • coconut62
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Find the distance that a force stretches a spring.
  • student34
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5
Capacitors - m having problem calculating the potential difference
  • exuberant.me
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Relativity, time difference from two planets
  • Sixty3
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Will the spoon fall on the earth?
  • Sya gars
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Conservation of momentum, Elastic car collision.
  • Zsmitty3
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3
What is the Gravitational Force and Acceleration of Jupiter on its Moon Io?
  • RubenL
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Help a College Student With Pipe Flow Calculations
  • dan-g
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Deflection of electron beam in cathode ray tube
  • skate_nerd
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Conservation of Momentum- Elastic collision
  • MostlyHarmless
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What Determines the Electric Field Inside a Spherical Conductor?
  • pietastesgood
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Transition of Calcium Hydrogen-like Ion
  • TerraForce469
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7
Could Paul Revere discern if there were one or two lanterns?
  • Plasmosis1
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Calculating Angular Momentum: Converting Units and Solving for Mass and Velocity
  • Sneakatone
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5
Doubling the energy of an oscillating mass on a spring
  • Turion
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11
What is the Minimum Speed Needed for a Motorcyclist in the Globe of Death?
  • shaquilleoneal
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1
A projectile is shot straight up from the Earth's surface
  • chicagobears34
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12
Can a spy satellite read the house number on your mailbox?
  • Plasmosis1
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Help me understand this derivation for hall voltage?
  • Turion
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How is Work Done Calculated for a Car Accelerating Uphill?
  • MMCS
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2
Suppose in the previous problem m3 balances the see-saw by pulling now
  • oneshot
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Finding Velocity and Impulse using Energy Considerations.
  • FaraDazed
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Attempt to combine Charles and Boyles laws
  • johns123
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7
Electric field in special relativity
  • Unicorn.
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Given 2 indexes of refraction, how do I figure out thickness of oil
  • riseofphoenix
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4
. Suppose you are pushing a 60 N uniform crate at rest with a horizont
  • cmkc109
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9
Capacitors in series and Parallel
  • CAF123
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Photons per Unit Volume (Quantum)
  • trevor51590
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A problem involving Newton's second law.
  • Clever_name
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2
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How Does a Voltmeter Respond to Induced EMF in a Circular Wire Loop?
  • NaOH
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Finding Work Done, Acceleration, Force and Time
  • FaraDazed
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6
Work done by a gas with only pressure and volume
  • PhizKid
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5
Physics Diff'eq Word Problem, Help Setting Up
  • inferno298
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8
Energy conversion with constant velocity
  • ZanyCat
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1
Magnetic Flux through a Rectangular Loop Due to a Straight Wire
  • Bashyboy
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1
What is the electric field and potential difference between two charged spheres?
  • mateye10
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3
Inertia of Momentum: Initial CG Y Coordinate
  • Krobinson2851
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Air pressure/atmosphere problem
  • boognish
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4
Centre of mass, collision, momentum
  • karanbir
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Conservation of energy problem
  • boognish
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1
How Is the Efficiency of the Diesel Cycle Derived Using Compression Ratios?
  • xspook
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Calculate I1, V Drop R1, V Drop R2, I2 for Circuit w/Diode
  • pyroknife
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Spring force and the period of it's ocilation
  • Robertoalva
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Plucked string, potential energy
  • Unicorn.
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11
Rolling down a ramp - find acceleration
  • serverxeon
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How to Find i2 in Complex Circuit?
  • Questions999
  • · Replies 11 ·
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11
Collision and Spring Constant: Calculating Amplitude for a Mass-Spring System
  • Yosty22
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To find out if the ball goes over the wall, you need to
  • KP725
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Question on Radioactivity, Activity and Age Estimations.
  • Wesc
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Rotational Mechanics - Question
  • sankalpmittal
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Calculating net force on four masses around a center mass?
  • rockchalk1312
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How to find height of original hill (roller coaster loop problem)
  • Mikhowl
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Maximum Velocity for Elliptical Orbit
  • BBAI BBAI
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Force required to keep a wooden block from sliding on a rough incline
  • nishantve1
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Find charge field within coaxial cables
  • physninj
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Solving Equivalent Circuit for Thevenin Resistance & Current
  • Dieinhell100
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Increasing resistance and the effect on voltage
  • dr2453
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5
The Temperature Profile of a Spherical Cloud of Ideal Gas
  • Saitama
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The work integral (general question)
  • ZanyCat
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Conservation of Angular Momentum sun problem
  • Godcanthelp
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Analytical method of vector addition
  • cDamann
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Analyzing Angular Motion of a Ferris Wheel
  • firezap
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Static equillibrum problem (FBD)
  • jklops686
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Person falls on mattress: draw speed-time graph
  • alingy1
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Solving the Mystery of a 4-Way Car Crash
  • JeffG
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Momentum and Impulse separation question
  • thepagal
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Mechanics Problem - Power, Finding The Resistance and Acceleration
  • FaraDazed
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How Much Work Does a Child Do Pulling a Toboggan Up a Hill?
  • x86
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Percentage error and significant figure
  • mrcotton
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How Does Impact Affect Angular Momentum and Velocity in a Rotating Disk System?
  • luckyg14
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The Rate at which kinetic energy changes to thermal energy
  • Pruddy
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The rate at which the energy in the wire is transformed into kinetic
  • Pruddy
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Speed of a pendulum at lowest point
  • skate_nerd
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Determining fundemental frequency from experiment
  • susdu
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Conservation of Momentum in Skating Question
  • Ketchup1
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Finding the distance between 2 charges in electric equilibrium.
  • Ram012593
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Magnitude of the Force of friction
  • RubenL
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CIRCUIT ANALYSIS: Use source transformation to find the Voltage Vo
  • VinnyCee
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8
How Close Can You Get to a Pulsar Without Being Torn Apart?
  • dendiego
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AC Circuits - peak to peak voltage
  • pyroknife
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Simple Harmonic motion : Is energy conserved
  • hms.tech
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Why is T2 removed in low signal circuit analysis?
  • Drao92
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Test Your Knowledge: Thermistor MCQ with D as the Correct Answer
  • captinkareem1
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Solving Transformer Problems: Primary and Secondary Coils
  • kkarapet
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How Can You Determine Component Values in an RLC Circuit Lab?
  • WoodyHD
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Electricity question on the power generated by power stations.
  • Delpo
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How Do You Determine the Physics Behind a Fairground Slingshot?
  • PhysicsThrow
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Force and Potential Energy Graphs: Mastering Physics HW 11.39
  • Rimi
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Maximum Capacity of a Flat-Bottomed Rowboat
  • enceladus_
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How did we come about dicovering energy and why is Joule its unit?
  • Melac12
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Apparent weight in an elevator intuition
  • Normalization
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How do I calculate capacitance on an LC circuit?
  • jim the duke
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Confusion about physics vectors in question
  • x86
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A book is pushed against a vertical wall at an angle
  • purplepig
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Magnetic Field at a point between two capacitors
  • Renaldo
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How Do You Calculate the Stopping Distance of a Car Using Kinetic Friction?
  • whatabootme
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