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.
Finding Equilibrium: How to Solve Force Problems Involving Poles and Objects?
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Vector addition word problem question
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Velocity of a steel ball bearing due to magnetic force
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Electron/Positron Annihilation
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How Do You Calculate Angular Motion for a Child on a Merry-Go-Round?
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Determining the time of a collision
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What will be the acceleration of an electron when it is at the origin?
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Circular motion x, y acceleration
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What Is the Least Time for Blocks to Move 7.20m Without Sliding?
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Help with Point Charges and Charge by Contact
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Thrust separate from acceleration?
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What is your velocity when walking on a moving train in the opposite direction?
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How Do You Calculate the Speed of a Plane with Respect to the Ground?
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Constant Acceleration of a skier Problem
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How Do Forces Affect Motion on Inclined Planes?
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Finding Work function and Plank constant
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Find the components of a unit vector
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Charge on a point in three different locations with a thin semicircular rod
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Acceleration and Kinetic Energy
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Finding the impedance of circuits.
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Are Identical Masses' Angles Equal for Different Charges?
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Locomotives on a collision track
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Thermodynamics and Mechanics questions
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What is the Standard Deviation of the Mean for Lab Homework Data?
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Polarizing Light through Two Filters
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Simple Harmonic Motion: Calculating Mass and Frequency
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Optics question, locate mirror and its focal length
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Rate of energy release by Polonium-210
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Forces Acting on Mass M on Wedge
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What is the strength of the gravitational field?
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Discovering the Sun's Mass: Calculating Without AU Distance | Wikipedia Method
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Beam bending, overhang with 2 concentrated loads
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Problems with Critical Damping and Underdamping
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Finding acceleration using static/kinetic friction, mass & applied force?
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I have got a lab on 'Braking distance of a wooden block'?
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Q) What is the final temperature of the compressed air in degrees Celsius?
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Finding Final Temperature of Boiling Water and Potatoes
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Relativity and Lorentz Transformations
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Dr Evil( Straight line motion)
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Master the FBD Technique: Superhero & Sidekick Hanging on a Rope
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What Does the Area Under a Force vs Time Graph Represent?
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How long after the second ball is thrown do the two balls pass each other?
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Confusion on wording of a dimension problem
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What is the acceleration due to gravity?
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Can Electrons Really Conduct Heat?
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Scaling up a test cannon to a life sized cannon
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How Do You Determine if a Meteoroid Has an Open Orbit?
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What is the net pressure force on a pressurized jumbo jet flying at 10 km?
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Two line charges lie in the XY plane
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Calculating Average Speed of a Baseball in Horizontal Projectile Motion
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Help Solve 2012 F=ma Problem 21
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Free-falling Weight and Newtons: A Physics Question for Kids
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Calculating Car Acceleration: Kinematic Equations
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Projectile Motion: Finding the Angle of Launch
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Kinematics of Constant acceleration word problem
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Relativity: A bus with a vertical windshield
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Question on considering final velocity
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Most probable speed of Aluminium
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Solving for Acceleration when weight is in Newtons instead of Kg
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Circuit with two resistances and inductance
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How would you solve this physics problem on relativity and the doppler effect?
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Can I reverse the PdV integral for work?
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Two Rotational Dynamics Problem
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A Uniform Beam Supported by a Cable
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Sketch of an interatomic potential
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How Do You Analyze Acceleration on a Position vs. Time Graph?
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Newton's second law - jumping from a height
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Capacitor Series Circuit: Deriving Cs Relationship
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Help with a conservation of momentum problem
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Mechanics - marble rolling in dish
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Latent Heat and conservation of energy
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The First Law of Thermodynamics
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Calculate the kinetic energy of an electron with a wavelength of 1fm
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Find effective resistance using kirchoff's laws
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Tension: 2 wires one at 60degrees one at 45degrees
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Electric field at a distance from a charged disk
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Conservation of Momentum Question.
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Escape Velocity Calculation for a Spaceship in Space
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Solving 2-D Crystal Process Avrami Equation: Find k
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Calculating molar specific heat capacity - not a monatomic gas
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Change in magnitude of radial acceleration
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Boat crossing/Glide Ratio/Hydraulic design
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Brachistochrone Differential Equation
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What is the Average Pressure on an Apple During Impact?
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Explain in fragmented way 1-methylstyrene's spectrum
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Angular Momentum and Point of Application in Rolling Motion
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Reduce the amount of kinetic energy loss in a collision
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Perception of apparent (seeming) motion
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Solving Two Physics Questions: Rotational Inertia & Equilibrium Temp.
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What is the concept of equivalent resistance in electrical circuits?
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Equilibrium and Statics involving a mass attached to three strings
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What is the Optimal Sound Frequency for Echoes Using a Single Slit?
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How Do You Determine the Maximum Distance from Base Camp Using Vector Addition?
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How much force is 5T of pressure exerted by a hydraulic ram?
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Potential Energy during Constant Velocity Motion
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Effect of earth's rotation on an object on the surface
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Banked Curves and Static Frictional Components
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Car on a banket - maximum speed formula derivation
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The easiest derivation of rod's moment of inertia?
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What is the correct component force along the axis of the hook?
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