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.
Displacement of Sam's Walks: How to Calculate Using a Diagram and Equations?
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RCC circuit, posible mistake with constants
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I really don't get this question
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Discharging a capacitor, how variables change over time
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Instantaneous velocity in one dimension
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Potential applied across two points with batteries
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Question regarding electrical potential energy required to assemble a system
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River bank problem Need help ly
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Thermodynamics Problem(Water and Ice)
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What is the pressure inside the cylinder?
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Simple collision between two moving bodies.
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Work done by an electric FIELD = Work done by electric FORCE ?
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Ball rolled off top of stairs - which stair does it hit?
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What Type of Energy Conversion Occurs When a Cable Car Runs Downhill?
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How Do Velocity and Time Relate in Physics Problems?
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Finding the force given the mass and radius.
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Two Masses One on Table, One Hanging
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Net force, tension, acceleration, and magnitude
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Confusion on displacement question
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No prefix: How far does a car move before running out of gas on a road?
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Solving for v(f) using trig functions.
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How to determine the force of friction from a graph?
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Electrons motion at de broglies wavelength
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Two-Dimensional Projectile Motion
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Determining the electric potential at a distance
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A car is moving by gravity force
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Simple pendulum with friction ODE
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How Do You Solve Partial Fractions with Quadratic Terms in Physics?
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Line of sight between two people
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Calculating Distance and Direction Between John, Paul, and George
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A rocket moves toward a mirror at .8c. My answer conflicts with chegg's
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What is the minimum length for x to lift the bucket 9 meters in 4 seconds?
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How to Calculate Tension in a Massless Wire Correctly?
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How Does Bernoulli's Equation Apply to Hurricane Wind Pressures on a Roof?
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Struggling with Ohm's Law Lab Report?
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Heat and Conservation of Energy
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Finding the maximum/absolute error in calculating the density of a metal sample.
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Physics Lab Questions: Rubber Band & Force Probe
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Find the Proper Time given the time and distance between two events
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Fraction of the initial kinetic energy is transferred?
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Electrostatic force using vectors
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Max Altitude Reached by Rocket at 53° Angle
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How to get the distance traveled from the force and mass functions?
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Thermodynamic process, gas expansion
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Electricity and Kirchhoff's Laws
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Find the coefficient of restitution
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How Does Angular Momentum Affect Local Spacetime Curvature?
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Mechanics, Year One, Forces and perpendicular vectors
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2 quick questions (Force vector questions
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Refractive Index of Optical Fibre Core and Cladding
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Friction Force - Bullet hitting a sandbag
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Photoelectric Effect in a Circuit
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Solving Projectile Motion Homework: Displacement, Velocity, and Equations
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Can I deduce the coefficient of static friction with Mass, Velocity and Radius?
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Force Problem, Constant F=30N , 30*angle with ground, d=100m
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Tensile force in elevator problem
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How to find the horizontal range of the car rolling off an inclined cliff
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Particle disintegration problem from Landafshitz
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Maxwell Boltzmann Speed Distribution
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Synchronized Clocks: Time Dilation and Lorentz Transformations
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Is the Force F Conservative? Determining Work Along Different Paths
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Finding the total pressure acting on a submarine
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Latent heat of vaporisation question
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Moving Reference Frames: One Car Passing Another
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Skateboarder with a mass of 150kg
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Horizontal Force Required to move a box up a ramp
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Solving the Mystery of Skydiver's Acceleration
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Calculate the Frictional Force with Force, Mass, and Acceleration given.
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Why is the work of the skier against resistance not negative?
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Physics laws related for work and force.
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Solving for Mass of Block of Ice w/ Newton's 2nd Law
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Solving Circular Motion Problems: Displacement, Speed, & Acceleration
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Pendulum of unknown length and unknown g, only period given
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Checking Whether a Force is Conservative Using Integration
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Tension in a light inextensible string
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Tennisball bouncing on wall - momentum
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Magnitude and direction of net force acting on a charge.
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Calculating Impact Velocity Using Coefficient of Restitution
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Finding the depth of a well after dropping a rock
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How Does Incline Angle Affect Ice Block Acceleration on a Frictionless Ramp?
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Finding the possible values of a force pushing a block
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Projectile, max height half the range, find angle
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Normal Force of an object being pushed
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Solving Circuit Questions: Finding Vth and Currents
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Two forces acting upon an object.
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Highschool Diving board distortion problem
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Need help Newtons laws two diemnsions (vertical plane)
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A car travels in a straight line
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Two objects being pushed by one force what is the force on the second? object
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How to find Change in velocity on an Acceleration vs TIme Graph?
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Calculating the New Angle of Inclination for a Projectile Launcher
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Force NWhat is the significance of the little k in Hooke's Law?
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Consider two balls on an inclined track with a constant angle
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2D Friction-Finding the Force of Friction without Mu
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Making sense of Newton's Third Law
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A ball is dropped from a height of 39.0 m.
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Calculating Average Force for a 1,662 kg Car in 19 secs
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Fluid dynamics: Knowledge continuity equation
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Horizontal Acceleration of a Stone
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More theoretical questions about acceleration and velocity
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