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.
Work Circular Motion Homework: Calculate Total Work Done on Ball
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What Is the Initial Speed and Maximum Height of a Rock Thrown Vertically?
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Find Tension in Cords | Figure (a) & (b) | Homework Help
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Concept Question: Rainfall & Draining from Cart
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3K
Is this correct- momentum question
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Wave on a rope - question concerns the maths of the wave equation
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Aperture Stops, Entrance Pupils & Exit Pupils
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Calculating Minimum Car Stopping Distance on a Rainy Day
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How Do You Calculate the Accepted Acceleration of a Rolling Cylinder?
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Velocity of each ball at the moment of impact: V = u + Ft/m
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Linear and angular acceleration of a falling cylinder? [long]
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Simple Harmonic Motion of a particle of mass
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Analyzing Force vs. Time graphs
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Moment of Inertia of four particles
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Speed of Rotation to Experience X Acceleration
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Calculate Tension in a String: Ball at Top & Bottom
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Biophysics problem - Acoustics and Sound
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3K
Solve Puzzle - http://images.upload2world.com
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Is Work Done When Lifting a Box of Books Despite Equal Forces?
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6K
Homework: Forces and Acceleration
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7K
Free Body Diagram and Newton's 2nd
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3K
Discover the Coefficient of Kinetic Friction for a 325N Box on the Floor
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How do you calculate acceleration and angular acceleration with pulleys?
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Variables in a centripetal motion problem
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3K
Question about forces and acceleration
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3
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3K
Special Relativity question - SHOULD be easy
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3K
How long can a 1.5 V battery light a flashlight bulb drawing 0.6A?
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How Do You Calculate Average Vertical Velocity in Physics Problems?
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Vector Addition and Magnitude: Q1 & Q2
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What is the angular displacement of a wheel with constant angular acceleration?
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Expressing force in terms of weight
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4
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How Do You Solve for t in the Equation 2h = vt + gt^2?
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Rotational Energy: Angular Acceleration, Speed, Radians & Kinetic Energy
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Tension, Force, and Newton's 3rd law
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Momentum ballistics speed question
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3K
Linear Acceleration in a Circular Path
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Projectile Motion (shooting an arrow)
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6
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Calculating Volume Using Buoyancy
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Uniform circular motion and coefficient of friction
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Power Calculation for Car Accelerating on Inclined Road: Find Net Power [SOLVED]
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What is the strength of the earth's electric field
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3K
What is the Mass of a Block of Ice Given a Constant Force and Displacement?
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How Do You Calculate Voltage Drop in a Series Inductor and Resistor Circuit?
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Uniform Ciruclar Motion (whirling cord)
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Solving Some Friction Thing Homework
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Calculating Distance for Jumping off a Slope at 45°
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Equations of Motion (Deriving equations)
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Dynamics - Relative velocities in rigid bodies
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Minimum Horsepower for Dragging a Box at a Given Speed
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Forces and Power: 18.5 HP to Drive 2320 kg Auto at 62.0 km/h
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Calculating Total Energy of A and B Nuclei in Center of Mass Frame
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How Does a Particle's Motion Change Direction and Velocity Over Time?
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Acceleration From Earth's Rotation
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One-Dimensional Motion, Bullet-through-a-board-type question
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Solving Mass of 2nd Disk with Angular Momentum
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Acceleration Question* * (Physics 11)
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Electric Field in center of half spherical shell
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What Forces Create Equilibrium at Point P?
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Relative velocities of rigid bodies
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Projectile Motion: Calculating Parcel Time and Car Speed
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The Mystery Behind the Fan's Circular Motion
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Solving Induced EMF Problem with Jordan's Help
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Calculating Wave Velocity on a String: Solving for Velocity at Different Points
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Diving board and torque problem
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Yo guys how do i graph acceleration
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Tungsten filament-finding length of coil
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Collision between two balls physics problem
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Moment of inertia of spherical shell problem
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Rotational kinetic energy of a bike wheel
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Calculating the Force of a Fist on a Glass Bottle
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Calculate Height of Object & Bob at Top of Pendulum Swing
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How far does the car skid before coming to a rest
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Fluids problem - gauge pressure
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Solve Normal Force: 1.4kg Ball Dropped, Find Average Force
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Newton's Laws and the coefficient of kinetic friction
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What Is the Potential Energy at Point B?
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Calculating the Time of a Bullet's Flight from a Rifle Aimed Horizontally
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Question on circular motion and Newton's laws
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Calculating Distance and Velocity in a Moving Object Scenario
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Just had a Test and I could not get this one
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Doppler Effect in Circular Motion
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Freuuency: Variations of a String
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A Simple Mechanics Problem: Help with Calculating Forces and Energy
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Amusement park ride (circular motion)
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Conservation of Energy Experiment
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Centripital acceleration (electron movement)
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Solving the Unstoppable Coyote's Speed Challenge
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Position-Time Graph: Average & Instantaneous Velocity
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How Is Maximum Velocity Calculated for a Mass on a Spring?
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A fireworks rocket is launched vertically upward at 40 m/s
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How Deep Can a Snorkeler Dive with a 1/20 Atmosphere Lung Pressure Difference?
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How High Does a Rocket Go If It Accelerates for 4 Seconds?
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Electric Field/Electric Potential (Gradient Notation)
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Kinetic Energy of a hydrogen electron
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Circular Motion of a wire on a plane
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Planetary motion the mass of the sun
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Van de Graff Current: Solving Homework Equation
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What is the Coefficient of Friction for a Braking Car with Given Parameters?
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Solving a Toy Gyroscope Physics Problem: Mass, Moment of Inertia, and Precession
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Water manometer to measure change in pressure
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