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.
[HELP]problem in Second equation of Equilibrium
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Solving 2D projectile motion problem for angle, given displacement and time.
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Centripetal Force Calculation for Hanging Partner
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What is the displacement of two cyclists and a fly when they meet?
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Pulling on a rope attached to a box: Newton's Laws and Incline Planes
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Newton's 3rd Law - Firefighter slides down a pole
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Conceptual Help on Force F Applied to Block & Bracket
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Firefighter Problem: Solving for Angle & Horizontal Reach
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How to approach a simple harmonic motion problem
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I suddenly thought of this. acceleration vs velocity vectors
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Conceptual Questions on a Mass Hanging from a Spring
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Finding force(N) wood has against the bullet
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How Do Tangential and Normal Forces Affect Planetary Velocity?
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Average Acceleration Units Problem
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Find electric and magnetic field amplitudes in an electromagnetic wave
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Motion in 1 dimension easy question?
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Solving a Displacement Problem with a Spring Force of 50 N/m
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Gauss' Law - Infinite Sheet of Charge
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Projectile motion 2-d kinematics
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How Does Rocket Thrust Affect Velocity in Space?
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How to I find what needs to be the mass of an object in a friction problem?
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Should be simple acceleration problem
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Friction between two blocks on a table
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How Does Table Height Affect Initial Velocity Calculation in Physics?
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Use Force, Mass and Acceleration to find velocity
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What is the braking force required to stop an egg from falling?
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Deriving the speed of a falling ball
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Net Force Problem: Stopping an Auto in 1.8 cm
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Force and motion problem with two tensions and 3 masses and an ideal pulley
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Unifom accelaration question about racing
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Rocket fires its engine, force/acceleration
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How Does the Doppler Effect Alter Perceived Siren Frequencies at a Junction?
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Uniform Circular Motion/Newton's 2nd Law?
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Forces Problem Involving A Tree Branch acting as a monkey's pulley
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Proving an equation is an eigenstate of the momentum operator.
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What is the skier's initial velocity?
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Static friction on a car on a circle
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Finding speed of the car, kinematics
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Finding the change in K.E. G.P.E ignored?
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Magnitude and direction of Wind Force
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Relationship between frequency and tension on a string
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Calculating Tension for 2000kg Elevator at Rest
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Solve for torque? Torque = Moment of Inertia * Angular Acceleration?
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Find the surface charge density that will stop a proton
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Calculating acceleration - Quick question
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Finding Maximum Current Entering A Terminal
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Calculate Horizontal Velocity of Jetliner at 233 m/s
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Hiker's Total Displacement: 74km
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Uniform Acceleration-Algebraically
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Projectile motion of a snowmobile
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How Do Electric and Magnetic Fields Transform in Different Reference Frames?
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How do you find the mass given force and an angle?
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Calculate Velocity of Gravity: Ball Tossed Up 15 m/s from 12m
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Friction acting on box not slipping in truck
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Why is it important to make sure the string attached to the block level?
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Energy Conservation/Potential Energy - block on a hill
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Find the direction of acceleration
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Mechanics problem involving a Differential Equation
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How Do You Calculate Final Velocity with Uniform Acceleration?
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Simple harmonic oscillators and a pendulum clock.
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Time dilation difference of astronaut problem
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Particle moving in polar coordinates
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Solving for Acceleration in a Simple Kinematics Problem
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Finding final image through a lens
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A very difficult question about a pulley system with friction
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What is the equation for calculating tension in an elevator rope?
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Projectile Motion cannonball fired on top of a wall.
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Minimizing Pulling Force for Crate on Rough Floor
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Proving the Possibility of a Collision (Legal Puzzle)
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Solving for force in vectors of Electric Field
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Electric Force and Electric Field problem
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Uniformly Charged Ring Acting on a Particle
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Help: with two distancehow do you find velocity?
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Finding the speed of a block moving on an incline
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Acceleration in Uniform Circular Motion
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Air resistance - find Vx(t) and Vy(t)
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F=ma, kinematics in vector notation
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Solving a Projectile Motion Problem
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Electromagnetic Fields and Effects of Oscillation
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Two objects on an incline with friction, calculate acceleration? B
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Magnitude of kinetic friction and static friction
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Kinematics in two dimensions lab question
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Electric Field of an Infinite Sheet with a Hole: Superposition Principle
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Strength of Electric Field with a point charge
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Mechanics: Manual Drill Eccentricity
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How Does Holding an Air Rifle Affect Recoil Speed?
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Is My Coulomb's Law Calculation Correct?
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Help with force question? i dont know how to get the right answer?
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How Do You Calculate the Forces Exerted by Each Lifeguard on a Raft?
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Weight lifter - Acceleration of the barbell ?
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Apply Nodal Analysis to the Circuit
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Finding total force - Is this correct?
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How Do You Calculate the Acceleration and Direction of a Flea in a Breeze?
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How Long Does It Take for a T-Rex Torso to Come to Rest After Falling?
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How Do I Solve This Projectile Motion Equation?
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How Do You Design a Resistive Ladder with Specific Voltage Outputs and Ratios?
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Earth's Gravity if the Earth rotated the opposite direction
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Weber's law of just noticeable difference
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Exploring the Concept of Photon Momentum in Physics | Homework Help
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Does the Object on the Table Have Wheels?
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Intro Physics Homework Help

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