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.
Is Centripetal Acceleration Constant in Uniform Circular Motion?
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Stuck on vector addition and subtraction
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How Is the Mass of a Board Determined Using Torque and Tension?
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Angle between velocity vectors of 2D billiard ball collision?
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Explanation of E-field torque and initial angle
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Solving for Block A's velocity: Va = 3.8 m/sThe correct answer is Va = 4.3 m/s
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Young's double slit experiment: Determine thickness of mica
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Solving Projectiles Problem: Ball Rolls Horizontally Off Stairway
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Static Equilibrium: Net Force & Torque = 0
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Graph of energy against distance
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Is the answer key wrong? Physics 12U Dynamics
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How Do You Calculate the Semi-Major Axis of a New Elliptical Orbit?
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Kinematics Car acceleration Problem
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What is the Direction of Magnetic Force on a Moving Electron?
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How much distance did the fly cover?
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Optimizing Airplane Direction in Windy Conditions
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How Does a Glass Fibre Flywheel Store Kinetic Energy in Buses?
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Forces in 3-D: Homework Solutions
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Finding Forces in Truss Members for Solving Truss Problems
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Mass on a Spring: Homework Help
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Natural frequency of a simple harmonic system
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Charge distribution in the universe
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How Do You Calculate Average Speed in Different Driving Conditions?
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Simple pendulum and acceleration due to gravity
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Calculating Force Magnitude with Friction and Initial Velocity
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Terminal Velocity of Cube: 1.6 m/s
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Simple pendulum: Determine the velocity
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Find the Coefficient of Kinetic Friction for Crate Movement
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Work Done on 500N Barbell 0.5m Above Floor
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What is the significance of the 1/b factor in this differentiation problem?
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Solving a 5.4 Earthquake Aftershock: Round to 1 Decimal Place
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Frictional Force vs normal force
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Uniform Circular Motion of coffee cup
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Ratio between molecules having different speeds
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Newton's law problem on homogeneous flexible rope
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Distance traveled with acceleration & deceleration
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Calculating Distance to a Wall Using Speed of Sound
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Work Done: Comparing Elevator & Staircase Climbs
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Classic Sled on a Hill Problem, Need a Little Help
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Hooke's Law: Combining Forces & Question on Resultant Force
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Is -4m the correct displacement for average velocity calculation?
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Kinematics Question -- Plane heading to take into a headwind
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A Quick "Lesson" on Physics and sin graphs
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Given the concurrent forces, Determine the resultant
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Lenz's Law Q: Clockwise or Counterclockwise?
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Capacitors and Dielectric Oil: Calculating Electric Displacement and Field
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Calculating Maximum Acceleration in a Utility Vehicle with Additional Mass
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Energy Transfer in a Block Sliding Down a Ramp and Hitting a Spring
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'forces in two dimensions' problem
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Calculating Thrust on Curved Surface of Cylindrical Vessel
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Finding Acceleration and Reaction Forces in Rotating Thin Rod on a Hinge
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Net force on particle 1 due to particle 2 in vector form?
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How Is This Quantum Analogy Incorrect?
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Solving Tension in Wires for Fixed Plate
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How Many Springs Are Needed to Safely Stop a Falling Elevator?
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Cut the String - Energy and Friction
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Calculate Remaining Anesthetic Time: Mass Flow Rate Question
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Two concentric conducting spherical shells, find outer Q
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How Does the Angle of Force Application Affect Work Done on a Cart?
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Maximum Angle for 2D Collision: Does θmax Exist if m1 > m2?
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Circular motion in a magnetic field
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Hello, i'll be very glad to get some help with this question
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Centripetal acceleration turntable problem
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What is the Charge on Each Balloon?
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What Speed Imparts One Revolution on an Object Hanging from an Inelastic Spring?
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Two-Dimensional Collision With Two Moving Objects
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How Does Newton's Third Law Apply to Friction and Air Resistance?
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Prove in case of projectile d^2 (v^2 ) / dt^2 = 2g^2
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Calculating Average EMF in Two Coils on a Ferromagnetic Core
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Conservation of Momentum in an Explosion
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Derive the equation for d of wire (Magnetic Force Lab)
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Calculating Work Done during a Collision
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Proving tension in rope of equilibrium system
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Calculating Displacement and Distance: A Particle's Motion in 4 Seconds
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I with Potential Energy compared to energy used.
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Elevator + Counterweight problem
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Average-terminal-speed of cut-cylinder rolling down a plane
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Collisions, using conservation of Energy
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Physics E & M Question about a powerline
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Two hanging masses and three strings
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How to Proove that L+ = L1 + iL2
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Simple Spring & Angular Fequency Problem
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Perpendicular Unit Vectors in the x-y Plane: Is My Solution Correct?
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Water Level: Effects of New Sphere on L
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Why Is the Angle Irrelevant in Calculating Torque?
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Can the equation E = pc be applied to particles?
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Can a Bullet Break a Bike Chain at 6m Underwater?
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Angular velocity for a physical pendulum
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Maximum energy stored in a capacitor? RLC circuit
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How Does Mixing Water at Different Temperatures Affect Entropy?
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Calculating Vectors and Components: Finding A*B and AxB Components
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How to Build a Ping Pong Projectile Launcher for Maximum Distance?
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How Do You Solve a Friction and Motion Problem Involving a Mug and a Tablecloth?
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How Do You Solve Relativity Problems with Perpendicular Velocities?
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What is the Velocity of an Object if Soundwaves Behind it are 3 Octaves Lower?
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Electricity and Magnetism RC Circuit Conceptual Questions
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Calculating Impedance of a RLC Circuit Connected to a 60 Hz AC Source
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What Are the Wave Properties of Light in Prism and Diffraction Experiments?
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Finding the Work to Move Chocolate
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Centroid of a uniform shape, using area
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