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.
Calculating acceleration from the coefficient of kinetic friction
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Newton's 2nd law with oscilations
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Train collision (linear kinematics)
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How Does Newton's Law of Cooling Affect Heat Loss Calculations?
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Calculation of resulting force from out of axis Torque
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Gauss law two infinite plane question
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This method may be more intuitive for some people.
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Adiabatic PVT relationships - why Kelvin and not Celsius?
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Comparison horizontal distance in presence of resistance
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A jet comes in for a landing on solid ground
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Balance reading when new object immersed in water
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Flash in rocket will arrive first at front or back?
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Analyzing Forces & Electrons: Free Body Diagram
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Finding the Current in a circuit
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Calculating Separation of Cars in a Convoy Moving at Max Speed
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Free fall velocity and distance
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What is the expression for the velocity of the Car in Vector
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1D Angular Motion with different velocity stages
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Period of Oscillations near equator
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Comparing image sizes of the hotter stars with the cooler stars
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Calculate Net Charge Contained by the Cube
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Need help to solve an oscillation problem.
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Calculate Electric Potential from Non-uniform Linear Charge
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Kinetic energy and momentum of two satellites colliding
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Static equilibrium -- A picture hanging on a wall
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Trajectory of a particle when its position vector changes
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Finding the values of voltage and current in this circuit
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What Is the Magnitude of the Electric Field Between Parallel Plates?
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Showing Charge & Currents in Vol: Proving $\mathbf{p}$ Dipole Moment
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Length Contraction & Time Dilation
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What is the potential at point D in the circuit
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Net force acting on a charged particle ##+Q##
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Energy Equation for a Roller Coaster on a Full Circular Loop
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Electric Potential and Field Diagram - True/False
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What would the *Energy equation be for this problem?
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Relative Velocities: Speed of C in A's Frame
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Minimum heat removed from gas to restore its state
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Two manned satellites approaching one another
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Inclined Plane Static Friction Coefficient
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What is the effective spring constant of a charged DNA molecule?
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with this tension problem -- Mass on an accelerating cable
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E-field from one end of an infinite non-conducting rod
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Fluid Mechanics: Determining Elevation in a Piezometric Tube
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Solving the Speed of Blood Flow in a Magnetic Field
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Baseball in the air 2D motion question
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Is the Ideal Gas Law Valid for Balloon Problems?
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Basic Kinematics - shouldn't there be a constant?
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Cylinder lying on conveyor belt
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Cell and membrane volume physics
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Pressure exerted on the end of a pool
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Skier on a slope -- speed question
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Will a sliding box fall over when it stops?
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Calculus Problem: acceleration, speed, and displacement of a particle
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Connected particles on an inclined plane
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Minimum and maximum values so the system remains at rest
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Calculate the speed of a point based on a graph
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How do I analyze a body with a 14 kip force at a point?
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Angular and Linear Momentum Problem
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Final potential difference of a 2 capacitor system
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Adding Vectors to Find Velocity
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Dependence of an electric field on distance
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Calculating Electric Field at Point A from Uniformly Charged Arc
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How much work is done when a satellite is launched into orbit?
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Calculus angular acceleration with respect to theta
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Tangential acceleration and centripetal acceleration
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What is the Ideal Angle for a Frog's Jump to Reach 3 Meters Horizontally?
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Find the magnitude of this velocity - SHM problem
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Find the electric field at an arbitrary point
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Understanding Friction Between Two Disks: A Problem in Rotational Dynamics
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How Do You Calculate the Electric Charge on a Suspended Cork Ball?
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Calculating Entropy Change for Gas Sample with Helium and Ideal Gas Equation
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Flux linked with lower face of a cube
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Potential at center of sphere of radius R and charge -Q
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How Does the Equation of State for a Solid Change with Temperature and Pressure?
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Train collision prevention problem
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Find the area and length of a gold leaf
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Calculate the focal length of the spectacle lens
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Find Radius of Outer Sphere for 1uF Spherical Condenser
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Thin wire alternating exerts force on a nearby charge
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Collision problem: Two hockey pucks collide and stick together....
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Thermodynamics: calculating work question
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Is the Angular Momentum of a Pendulum Conserved?
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Tension in a rope at the midpoint
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Find the electric field at the point P on a right triangle
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Thrust 6.05MN, mass 4,520,000 lbm, what is the acceleration?
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Instantaneous acceleration from Velocity-time graph
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The potential difference of a proton
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Pressurized gas container gets opened
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Hydrostatics Pressure - Finding thrust and resultants
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Correct statement about series RC circuit
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Calculate the torsion of a silver thread
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What are the accelerations in the multiple-pulley problem?
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Temperature of a bar to produce certain force on wall
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Phase difference between points on wall
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Total energy of hydrogen at ground state
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Find Number of Nitrogen Molecules with Specific Kinetic Energies
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Spring characteristics when loaded with a mass
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Solving Rotating Ice Skaters Problem: Is their Straight Line Parallel?
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Amplitude relation with periodic time
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Simple harmonic motion equation
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