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.
Solve 2 Problems: Help with 500 N Force & Elongation of Aluminum Wire
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Calculate Kinetic Friction from Time, Displacement, Height & Length
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Can a Skydiver Survive a Free Fall Without a Parachute?
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How Does Current Direction Affect Force in a Rectangular Loop?
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How Far Will a Sliding Box Travel After Leaving a Ramp?
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What is her velocity relative to the surface of the ice?
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Effect of Mass and Force on Acceleration and Distance Traveled in Kinematics
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Find the acceleration of an object that is attracted to a magnetic field
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Barge Buoyancy: Calculating Depth Change with Loaded Crate | Homework Help
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Conservative Forces Homework Statement
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Change in atmopheric pressure with height (Thermodynamics)
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What is the Work Done by Force F on a Moving Object?
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Electric Field Integration Outside a Cylinder
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Finding temperature through a manometer
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Relative Velocity of Two Ships: When Is Their Separation Least?
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Finding Maximum Weight on a Ramp with Coefficients of Friction
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Volume of Air in Cylinder at 20°C - Calculating with Ideal Gas Law
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Converting vector in cartesian to cylindrical coordinates
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Significant Figures and speed of a runner
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Finding the Density of a Planet using Time
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Using Derivatives and Integrals to Find Velocity: Am I doing this right?
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Pressures at the water levels in the two open tanks?
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Forces, involving tension and a pendulum
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What is the Force Exerted on a Bathroom Scale in an Elevator on Earth?
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Simple harmonic motion [ I have an exam tomorrow morning]
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Solving Friction Problem: Minimum Force Needed
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Help, static equilibrium solving for maximum angle of incline
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Optimizing Pulling Force: Solving for Theta and F in Newton's Laws
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Force on an Incline Plane Problem HELP
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Forces btwn Boxes: Find Acc & Magnitude of Contact Forces
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How Do You Calculate the Mass of a Blue Whale Using Momentum?
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Electric field inside a conducting cylinder with wire
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Can Savannah Catch the Accelerating School Bus?
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Table cloth pulled from underneath a block?
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Accleration problem - car strikes a tree
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Calculating Friction Force of a 4000 kg Truck on a 15° Slope
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How Do You Correctly Add and Subtract Multiple Vectors?
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How to calculate torque with cross product?
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Spring Potential energy, should be easy?
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Conservation of Momentum with Friction
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Passive forces and Newton's laws
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Determining the speed of a rocket car
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Catching the Speeder: Police Car Velocity & Distance Traveled
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How Is Work and Heat Transfer Calculated in a Polytropic Process for Helium Gas?
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Physics- center of mass problem ?
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Kinetic Fricion Acceleration Problem
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Calculating x and y Components of Equilibrium Forces
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How do I find the eigenvalues and eigenvectors of a given matrix?
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Trivial question about friction
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How Far Down the Slope Does the Arrow Land?
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Finding Initial velocity given certain variables
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Final velocity of spring down incline with fricition
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Calculating Energy for Orbital Deployment
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Calculating momentum when you know mass and KE
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Acceleration is (-2.0i + 4.0j), velocity is 12 m/s
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Frictional force acting on mass
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Finding the Magnitude and Direction of Force one with the Resultant Given
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Simple recoil velocity question
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Bernoulli's Equation and a water pipe
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Calculating Work with Kinetic Energy in Orbit
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Solving a Physics Problem: Calculating Distance with Kinetic Friction and Work
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Distance of particle travels from origin, and maximum speed, picture included
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Cost of setting up a sattelite?
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Finding the Optimal Initial Speed for Circular Motion - What's the Solution?
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Schrodinger ground state wave function
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2 boxes stacked, force applied to bottom box
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Current density, resistance and resistivity problem
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Centripetal Force Loop-the-loop
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Length along ramp from end of spring, picture included
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Theoretical Acceleration of an Atwood machine
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How Many Turns of Wire Are Needed for a Solenoid with These Specifications?
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Applying a force perpendicular to an object moving in the x direction.
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Calculating Tension in a Falling 5kg Brick on a Rope | Homework Problem
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Find Angle Between Vectors C & D Using Alpha, Beta & Theta
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Getting an average figure with ±
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Projectile Motion football pass
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Sketching An Acceleration-Time Graph From A Velocity-Time Graph
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ThermodynamicsL Heat, Energy and Work Problem
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Turning effect of force (Moments)
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Hang-glider and water balloon problem
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Finding angle of change in momentum vector
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How Do You Calculate Torque When Force is Applied at an Angle?
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A 2D Kinematics Question and Relative Velocity Question
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Electric Current Power Plant problem
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Help with force and friction on a flat surface
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Simple acceleration problems - requesting a check
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Average force exerted on pedalf tangent to their circular path of a bike
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Speed of orbiting planet given eccentricity of orbit
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How can I calculate the force required to compress a spring in a given distance?
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LC Ocillations given only one piece of data
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What is the distance covered here?
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What is the Mass of the Milky Way and How is it Calculated?
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Capacitors inserted into a circuit with opposite polarities
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Physics Problem Center Of mass HELP
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Charge and voltage across circuit
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How to find the potential funtion for a force
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Calculating Angular Speed for a Gravitational Field of 1.95g
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Calculating Time for Simple Harmonic Motion: Rod with Freely Rotating Object
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Distance to Geosynchronous Orbit
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Two questions about centripetal acceleration,
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