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.
How Much Torque is Needed to Lift a 1000 lb Load with a Power Screw?
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Possibly incorrect professor statement
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Calculate N for Thermo Lab Vacuum at 293K
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What is its average speed during this 37 s interval? Answer in units o
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Create a car to pick up a ballon, travel a distance, and pop it
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Dynamic vs kinetic vs static in physics
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Help me find the vector and resultant magnitude of this equation pleas
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How Do You Calculate the Average Velocity and Magnitude in a Squirrel's Path?
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Absolute Uncertainty of a Negative Power
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Calculating Electric Force of a Point Charge on a Charged Particle Thread
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Electric Potential and Second Charge
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What is the Height of Mercury in an Inclined Torricellian Tube?
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Solving for the Velocity and Height in a Difficult Kinematics Problem
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Simple Question: What is going to throw farther Catapult or Trebuche
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Density of Earth's atmosphere w.r.t height
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Density and r.m.s of an ideal gas
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Calculating Time Difference of Longitudinal Waves in Steel Pipe
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What is the Change in Potential Energy of a Displaced Meter Scale?
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Path diffrence to produce destructive intefrence
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Applied optimization to SHM problem? Hard?
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How long does it take for Tc-99m to reach a nearby hospital for a bone scan?
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Length, time and velocity in relativity (special?)
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Current through resistor parallel to two different batteries
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How can angular frequency be eliminated in solving a challenging SHM problem?
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Magnitude of electric field 32m from a rod
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Relative Velocity Airplane Problem
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Physics Question pertaining to Velocity and Gravity
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Dropping Keys to find the floor you're on
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What Value Should Charge C Have to Nullify the Net Force on Charge B?
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Average Speed between two cities
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Orbit Precession Angle: Find & Condition for Cycles
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Maximum Sliding Distance in a Rotating Cone - Solving for r
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What Are the Correct Steps to Determine the Thevenin Equivalent Circuit?
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Solving for Two Point Charges Using Electric Field Lines and Homework Equations
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Why does a pressure drop in a pipe cause a force on the pipe?
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Fluid mechanics -- fluid in a container moving down an incline
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Mechanics in cartesian coordinates
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Vector product and vector product angles
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Charge distribution in concentric shells
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What units are BTU compatible with?
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Calculating Magnification with lens, an object, and a screen.
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Find the amount of a vector acting in the direction of another vector.
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Velocity and Acceleration Equational Problem ( making sense)
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Circuits - Node analysis of connected and dependent sources
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Does the Permeability of Water Prevent Surface Disturbance in Aquariums?
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Electric Field from Arc of Charge - Need Help
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Classical Mechanics - Moving Object in 3D space
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Car coming to a stop kinematics problem
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Solve for mass using a graph of a collision
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How can I understand the motion of a particle on a cycloid trajectory?
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Electric field strength from two charges
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At how many rpms will a blade tip break the sound barrier
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One Dimensional motion of particle in a potential field
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How to find wavelenght of a 3m spring with 2,5 Hz?
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Electrostatic forces and distance when considering changes in potentia
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Equilibrium Statistical Physics, Plischke ex. 1.2
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Fluid Forces & Buoyancy: Why is There a Force Pushing Up?
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Object floating on water with oil poured in
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Direction of oscillation of wave
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Why doesn't the inside of a conducting cup transfer charge?
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Sig Fig: Calculate (.82+.042)(4.4*10^3) - 3800
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How Do You Apply the Mesh-Current Method Correctly in Circuit Analysis?
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A shell is fired vertically upwards
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Beers Law and Colorimetry Problems
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Solve 2D Statics Problem: F1, F2, θ w/ 910N Force
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Some funny theoretical tasks, classical physics
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Equivalent resistance with a short circuit
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Why does water offers less friction?
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Projectile motion submarine missle problem
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How to Convert Units to Solve Collision Force Problems?
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Rotational Dynamics Homework: Velocity & Acceleration of Wheel
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Node Voltage Method: Solve for v0 in Circuit
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Find Min Force on Particle 3 with q1,q2,q3 Charges
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Why is the direction of reflected light different from that of refracted light?
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Centripetal force and water in a Bucket
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Graphing Displacement Difficulties
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Calculating Flux on a Rubik's Cube with a Point Charge at the Center
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Confused why both answers are different. P = F.v
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To find the current through an inductance in an AC circuit.
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Finding speed of water leaving a pressurized vessel
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Force applied to both sides of a spring. What is the net compression?
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A work done comparison ( i find it confusing so a little help)
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Dielectric slab with a uniform field
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Dissipated energy in RC circuit
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Intensity of single slit and double slit problem
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Density change of an object with mass
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Children's Slide, given slide length and angle, solve speed at bottom
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Physics Project using finite method?
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Projectile motion with drag trouble
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No load voltage / resistance question
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Joule Heating of Metals with Different Resistivities
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What is the formula for calculating steel rod bending in a mouse trap?
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Deriving Equation Relating Angle of Incidence to the Angle of Refracti
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Why Does the Particle Not Move in the +x Direction at t = 0.13351 Seconds?
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Relativity and Length: A Simple Homework Question
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Relative velocity of plane with vectors
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How Do I Correctly Calculate Height Over Time for an Object on a Ramp?
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Inteferenxce pattern of air wedge
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Help finding zeros of equation with trig function
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What is the final velocity of the golf ball before it lands?
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