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.
Kinematics motion-an object falling and crossing a camera's view
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Calculate Angular Velocity with 3 Masses and Constant ω
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2-Dimensional Torque problem involving two torque points.
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Calculating Distance Using Vector Methods
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Shear force while bending a metal rod
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Determine the angles between diffraction maxima
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Collision between electron and H atom
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Laws of motion and circular motion
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Laws of Motion | Learn About Newton's Laws
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Formation of Image when light rays meet
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"Hard Oscillations: Finding the Period
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Finding the Maximum Speed of a Spring-Driven Ball
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Nonuniform Acceleration - Radio Waves Effect on Ionosphere Electron
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Kinematics motion-setting up instantaneous velocity function
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Photoelectrons ejecting from Cs metal
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Yet more Trig. (Mine shaft angle of inclination.)
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Magnetism, electrical and thermal conductivity of metals
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What is the relationship between stress and load for a 19mm shaft?
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Find Area of Sand Pile Base: 2.4m, 35° Repose
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How Does Bullet Collision Affect Hoop Velocity in Rotational Motion?
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Trouble with electric force question
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Finding the maximum acceleration
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Kinematics motion-police's radars(answer check)
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How to Calculate Pressure on a Table Due to a Block of Mass 4 kg?
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Kinematics motion - Dancers pausing at top of their leap
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Understanding Friction in Rotational Motion: Solving a Common Misconception
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Pseudo Force Direction Confusion.
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Kinematics motion-falling balloon (answer check)
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What is the max kinetic energy of photoelectrons from monochromatic beam?
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Normal Force/Scale: Clarifying Confused Concept
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How Do You Solve This Rotational Motion Problem?
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Can someone explain this please? Weird pulley with Tension
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Solve for Period of Oscillation of 2 Springs with Mass Attached
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How Do You Solve This Rotational Motion Problem?
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Expectation value for a position measurement
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Potential Energy: Differentiating to Find Force
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Dynamics Module - Kinematics Problem
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How Do You Solve This Rotational Motion Problem?
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Kinematics motion - Given position, find velocity and acceleration
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Find the coefficient of friction of the pushed desk
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Harmonic motion and acceleration
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How Can Vector Analysis Improve Understanding of Mechanics Problems?
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Challenging Find maximum deceleration and speed (not max)
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Power of Fire hose: a calculus approach
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Find Bullet Speed in Spring & Mass System: k, M, m, d
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Viscosity finding the velocity at a point
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What Is the Maximum Load a Concrete-Filled Cast Iron Pipe Can Support?
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Calculating the Dimensions of a Reinforced Concrete Column Under Stress
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Temperature of gas between window panes
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How Long Does It Take to Heat Ice from -15C to 55C Water?
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Induced potential difference for disk spinning in magnetic field
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Surface tension and capillary tube
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Velocity and acceleration problem.
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Iceskating up a Hill: Determining Height with Initial Velocity and Friction
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Conceptual questions regarding fluid mechanics
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How Does Integrating mgR Relate to Force and Work in a Semicircle?
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Direction of torque vector tilting a spinning top?
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Is the Acceleration of the Sphere with Respect to the Plank Correct?
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Why isn't classical physics probabilistic in nature?
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I deriving this Maxwell relation
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Rotational Motion: Solving a Problem with Translational and Angular Motion
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Difference between two formulas of resistance
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How Do I Solve This Rotational Motion Problem?
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What is the Solution to this Rotational Motion Problem?
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What Determines True Statements About Wheel Motion?
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Dream Invention: Create Your Own Reality!
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What is the Inverse Formula for Potential?
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Ideal Gas Law: messing with ratios
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Understanding Forces and Work: A) to C)
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Rotational Motion Homework: Mass 12 kg Rod, Pivot Friction-Free
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Does Earth's Rotation Significantly Affect Weight at the Equator?
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How to Solve This Rotational Motion Problem?
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What is the Moment of Inertia for a Rod?
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Question: How is the power exerted by the monkey on the rope calculated?
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Kinematics Motion Average Speeds
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What is the acceleration of the elevator in these scenarios?
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How Do I Solve This Rotational Motion Problem?
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Components of torque in a solid sphere
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What is the Net Force on the Top of an Equilateral Triangle?
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Solving Energy of a System - Plotting Graphs & Calculating Cosθ
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Stress Calculation for a Reinforced Timber Tie with Aluminium Bar
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What is the Solution to a Rotational Motion Problem?
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What is the solution to this rotational motion problem?
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Theory about electric field intensity
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What is the solution to this Rotational Motion problem?
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Latent heat of Fusion and transfer problem
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Stress and strain compound bar question
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Why Is the Initial Speed of a Ball Thrown Vertically 19 m/s?
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Gauss' Law for Infinite Sheets of Charge
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Electromagnetism, dynamics and energy
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What is the correct stress in the concrete column?
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Why Does the Toroid's Magnetic Field Equation Use a Cubed Distance Term?
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Solving the Yoyo Problem: Velocity After Fall of h
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Statistical Mechanics - Change in Entropy
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Egg Throw Physics: Protecting the Egg During a Building Drop
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Calculating Energy Required to Rotate a Spiral Spring by 180 Degrees
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Conservation of Energy and Angular Speed.
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A 1130-kg car is held in place by a light cable on a frictionless ramp
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How much water is needed to cool a block of aluminum to a specific temperature?
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Circular Motion: Why Centripetal Accel Negative in i Dir & Positive in j Dir?
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