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.
Why is the distance traveled by the bird towards the wall incorrect?
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Car Speed When Passing Train: 49 m/s
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What is the acceleration of gravity on a strange planet?
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Determine Jupiter radius based on graviational acceleration at surface
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What is the speed of the arrow shot from the bow in projectile motion?
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Solving Bobbin on Incline: Angle of Tilt θ
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How Do Electrons and Ions Affect Current Calculation at Point A?
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How Much Current Is Induced in a Moving Rectangular Circuit Near a Wire?
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Understand Why Current Is Defined as a Scalar
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Acceleration of two masses on a pulley
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What is the current through the 10-ohm resistor?
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I Need Help Solving a Work Done by a Variable Force
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How Do Falcon Attacks Alter the Flight Path of Their Prey?
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Thermodynamics : Work in a Cyclic Process
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Special relativity: proof of symmetry concept
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Is Kilogram Force the Same as Kilogram Mass?
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Special relativity: 2d metric components
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Maximizing Acceleration and Braking Distance for a Cyclist on a Horizontal Road
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Car Crash Problem: Was Driver Speeding?
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When Does a Swing Rider Feel the Lightest?
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Heat capacities of a gas mixture.
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Force exerted by external field
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Calculating Maximum Speed on Banked Curve: Centripetal Force
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How High is the Sea Cliff Based on Sound Travel Time?
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Alpha Particle Charge: Is it 2x2.50x10^-21?
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Particle with gravity and electric field
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Calculating Angular Size of Moon with Telescope
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Did I do this angular acceleration problem right?
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Formula for radial acceleration
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Average speed relative to the magnitude of the average velocity?
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Formula for Circular Motion and Tangential Speed
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Special relativity: components of a metric tensor
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What Does the Area Under an Acceleration-Time Graph Represent in Physics?
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Solving for Tension in a Mass Slowing Down
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What is the Minimum Angle for a Ladder to Not Slip Against a Wall?
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Deriving the Rotation Period of a Planet from Density
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Conservation of Energy,pendulum question
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Solving the Pulley Problem: Find a & T
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Work,energy COM and linear momentum conservation
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Mass Moment of Inertia: slanted solid parallelogram: Well past wit's end
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How Much Force is Needed to Stop a Grinding Wheel in 20 Seconds?
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[Thermo.] This problem has been bugging me for days, .
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Solving a Simple Circuit involving Current Source by the Loop Current Method
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Does Current Remain Constant in a Wire with Varying Cross Sections?
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Charging a capacitor at constant rate
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What is the speed of two objects after a perfectly inelastic collision?
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Answer: Calculate Average Acceleration with 10m and 50s
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How Do I Find the Bessel Transform of a Sequence of Numbers?
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Electric field, direction and magnitude
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Rock's Velocity at Bottom of Hole
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Constant Acceleration-Find Initial Velocity
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Two charged capacitors cross connected to each other
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Calculating Time for a Radio Pulse to Travel between Earth and Venus
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Projectile Motion: only g and t known
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Unbanked and banked Curves problem
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Kinematics Question: Child on Trampoline Jump Height Calculation
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Speed of Sound Waves: Echoes in a Canyon
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Average force exerted by a wall on a ball
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Solving Motion of m w/ Respect to O: Spring & Damper
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How Do I Solve This Tricky Calculus Problem About Rolling Ball Bearings?
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How to get the power that is dissipated
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Calculating Final Temp of Water in Styrofoam Cup
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About The Bohr Model of the Hydrogen Atom
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How Far Will a Sled Travel on Dry Ground After Sliding Down a Frictionless Hill?
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Can the speed of sound reach the speed of light?
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How Does Stretching a Wire Affect Its Resistance?
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Traveling Wave Model: transverse wave on a string
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Please confirm Hydrogen atom question
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Are Ohm's Law, Kirchhoff's Law, and Thevenin's Theorem Interconnected?
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Special relativity, summation agreement
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[Thermo.] thermal expansion and isothermal compressibility coefficients.
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Find velocity given y and angle
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Equation: work done by friction
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Circular Orbit of a Spy Satellite: Calculating Altitude and Acceleration
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Two body collision with a spring
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Calculating Acceleration of a Rolling Wheelbarrow
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Finding velocities in F vs x graph
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Find the Net Force and Acceleration Question
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What is the resonant frequency of a plucked wire in a closed brass tube?
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What is the boiling temperature of the liquid?
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Block sliding along a looped track
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Interference - Frequency Interference -- Frequency
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Energy and Capacitors of metal spheres
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How Do Magnetic Fields Combine at Point P Between Two Current-Carrying Wires?
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Do all objects fall at the same rate when dropped from a height?
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Does a Positively Charged Ball Attract a Neutral Metal Ball?
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How Long Does It Take for a Particle on a String to Move Through 1.0 km?
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What is the Acceleration of the System?
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Creating Weightlessness in an Airplane: Calculating Flight Path Radius
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Free fall acceleration (time elapsed, initial & final speed)
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How Does Hooke's Law Determine Spring Constant and Extension?
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Understanding Forces in an Anchor System
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Understanding Momentum Conservation in Particle Collisions
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Work done by friction homework help
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Find distance before rest given length and angle of incline
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Determining altitude given velocities and mass
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How to Write a Project Report Without Data: Tips and Tricks
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Help with a Kinetic/ Potential Energy problem please
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Elastic collisions in COM frame
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Determining spring's max compression on frictionless track
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