Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

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3

What is the angle at which the neutron rebounds?

  • PhyzicsOfHockey
  • · Replies 6 ·
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How Does Tension Affect Acceleration in a Falling Cylinder?

  • bluejay
  • · Replies 4 ·
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Finding spring constant from oscillation equation x(t) = 1.5*sin(12.566*t)

  • zooboodoo
  • · Replies 16 ·
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16
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Two boxes connected by a rod sliding down an inclined plane

  • goaliejoe35
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5
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3

Finding the Velocity of a Cart at its Highest Point

  • 2slowtogofast
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6
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22

Magnetic force between conductors

  • scholio
  • · Replies 8 ·
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8

Calculating Time for Ball to Start Rolling on Horizontal Surface

  • domagoj412
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Calculating Force on Wheaties from Cheerios: 28 N

  • goaliejoe35
  • · Replies 1 ·
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How Does Friction Heating Follow the First Law of Thermodynamics?

  • indoguy427
  • · Replies 7 ·
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Coaxial cable and magnetic field

  • scholio
  • · Replies 8 ·
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8

Help finding a topic for an investigatory physics project

  • jel diaz
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Calculating Tension in a Pulley System

  • crays
  • · Replies 6 ·
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6

Solve Acceleration Problem: Car Overtaken After 4 sec.

  • bond.173
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How Does Static Friction Affect a Car on a Curve?

  • .NoStyle
  • · Replies 10 ·
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10

Is Radians Dimensionless in Scientific Measurements?

  • .NoStyle
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3

Radial momentum expectation value divergence in spherical coordinates

  • liorda
  • · Replies 10 ·
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Uniform circular motion and coordinate system

  • ace123
  • · Replies 5 ·
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Electric field and magnetic field - proton deflection

  • scholio
  • · Replies 6 ·
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6

Gravitational force and particles

  • ace123
  • · Replies 5 ·
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Determine magnetic field from figure

  • scholio
  • · Replies 2 ·
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Work done by the rope and power of electric motor

  • ramma_akash
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Balancing torques, static equalibrium

  • Bu2009
  • · Replies 1 ·
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Net force on a diver slowing down in water

  • Kris1120
  • · Replies 2 ·
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What is the Maximum Torque on a Coil in a Magnetic Field?

  • scholio
  • · Replies 6 ·
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Effect of Density and Volume Changes on Buoyancy in a Glass of Water

  • Anony-mouse
  • · Replies 4 ·
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Doppler Effect of a 1-kilohertz sound

  • Fanaticus
  • · Replies 5 ·
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What Is the Speed of a Bucket in Vertical Circular Motion?

  • 0338jw
  • · Replies 9 ·
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Electrostatic Forces and Coulombs Law Question

  • KMjuniormint5
  • · Replies 3 ·
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? on change in mechanical energy

  • ken.adams
  • · Replies 2 ·
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Inelastic Scattering - Calculate Energy Change

  • ajhunte
  • · Replies 1 ·
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Elastic Collision of a gold nucleus

  • habibclan
  • · Replies 8 ·
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How to Solve a Pulley/Distributed Load Problem for an Engineering Exam?

  • aaronjason
  • · Replies 1 ·
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ANSWER: ____Rotational Dynamics - Wheel Stops at 2.20s w/489 Rad Total

  • emeraldempres
  • · Replies 1 ·
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Determining Mica Thickness Using Interference Fringes

  • inflames829
  • · Replies 1 ·
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Single slit diffraction: why is my slit width calculation wrong?

  • inflames829
  • · Replies 1 ·
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How Does a Hydraulic Lift Work with Different Piston Sizes?

  • Pat2666
  • · Replies 1 ·
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Coulomb's law particles that form a square problem

  • brett812718
  • · Replies 13 ·
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13

Calorimetry and Phase change question

  • JoshMG
  • · Replies 6 ·
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6

Two masses connected by pulley, one on incline at 55°

  • student 1
  • · Replies 5 ·
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Calculating Percentage Change in Tension for Tuning a Guitar String

  • warmfire540
  • · Replies 10 ·
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10

Kinematics of jet-ski - how far does Sam land?

  • habibclan
  • · Replies 13 ·
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Find the equation for horizontal motion

  • clintau
  • · Replies 20 ·
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How long before observer hears sonic boom from jet at Mach 1.5?

  • inflames829
  • · Replies 10 ·
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Equilibrium of Vertical Load P on Rod BC

  • ttiger2k7
  • · Replies 8 ·
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8

Circuit battery current Problem

  • clope023
  • · Replies 8 ·
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Calculating Net Work Done by 500g Mass on Unstretched Spring

  • habibclan
  • · Replies 6 ·
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Cost per kilogram of uranium-234 and plutonium-239

  • brandy
  • · Replies 7 ·
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Answer: Energy Conservation: Maximum Compression & Max Velocity

  • habibclan
  • · Replies 5 ·
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Calculating Power and Force in a Sprinter's Run

  • habibclan
  • · Replies 4 ·
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Solving Stress Concentration for Elliptical Hole in Square Panel

  • raunakm
  • · Replies 1 ·
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Friction of conveyor belt on suitcase

  • habibclan
  • · Replies 11 ·
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Draw Double Concave Lens Diagram

  • Wubby
  • · Replies 3 ·
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Find initial velocity only need hint

  • itunescape
  • · Replies 1 ·
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What is the glider's velocity just after the skydiver lets go?

  • habibclan
  • · Replies 10 ·
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What is Bob's maximum power output as he throws the rock?

  • habibclan
  • · Replies 6 ·
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Calculating Components and Magnitude of Forces and Acceleration

  • jrfskater
  • · Replies 1 ·
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How do I calculate the necessary pump pressure for a 11.5 m fountain?

  • Zacthor
  • · Replies 6 ·
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What is the radius of the spherical cavity?

  • ramalik
  • · Replies 1 ·
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How Do You Calculate the New Diameter Needed to Reduce Pressure in a Pipe?

  • Vanessa23
  • · Replies 3 ·
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Calculating Resistive Force and Power for a Bullet Fired into a Tree

  • dralion87
  • · Replies 18 ·
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Electron vector analysis question

  • chemboy
  • · Replies 12 ·
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Bouncing Ball Position, Velocity and Acceleration Graphs.

  • habibclan
  • · Replies 7 ·
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Find the Ramp Angle for a 3kg Block on a Frictionless Ramp

  • vincentp07
  • · Replies 2 ·
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How to Find the Modulus of Velocity and Acceleration?

  • ritwik06
  • · Replies 1 ·
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Finding Acceleration in a Moving Particle

  • habibclan
  • · Replies 5 ·
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What Is the Tension in San Francisco's Cable Car System?

  • accobos
  • · Replies 2 ·
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Block floating in water - Oil is added

  • emenos
  • · Replies 1 ·
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Find the magnitude of the net force acting on this object

  • student 1
  • · Replies 4 ·
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4

Calculate Satellite Velocity in Stable Orbit

  • smaxemow
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Principle of Conversation Of Energy question

  • alexyvettea
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2
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Compression of a Jaguar XK8 Cylinder

  • Number1Ballar
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Drawing Vector in Positive Z Direction: Quick Answer

  • ace123
  • · Replies 5 ·
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5

Average speed of particle with velocity u sin ωt

  • ritwik06
  • · Replies 11 ·
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11

How Do Convex Mirrors Affect Image Location and Size?

  • MoreZitiPlease
  • · Replies 4 ·
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4

Total Energy Of A Spring-Mass System

  • D3SI
  • · Replies 2 ·
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2

Find Heat to Turn Water into Steam at 100degC

  • get_physical
  • · Replies 2 ·
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2

Solving Quadrupole Ring Electrostatics: Electric Field Along x-Axis

  • jcmf3
  • · Replies 2 ·
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Electrostatic force on charge in right triangle setup

  • chemboy
  • · Replies 4 ·
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4

Car Oscillates - What's Its Mass?

  • Pat2666
  • · Replies 8 ·
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Question on tourques and static equilibrium

  • sodr2
  • · Replies 4 ·
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4

How Does Elevator Acceleration Compare to Spaceship G-Forces?

  • Physicsdewd
  • · Replies 1 ·
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Finding current and voltage in a 25V circuit with eight resistors

  • scholio
  • · Replies 5 ·
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What is the average power of the horse?

  • qman316
  • · Replies 35 ·
2
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Graphing data with values from 0.001 to 0.123

  • _Mayday_
  • · Replies 6 ·
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Illusion that appears to be suspended

  • jillz
  • · Replies 1 ·
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How Much Work to Stand Up a Telephone Pole?

  • armis
  • · Replies 13 ·
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13

Distance between tennis ball and the top of the net

  • goaliejoe35
  • · Replies 33 ·
2
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I think you're right. I'll try to be more careful.

  • jbowers9
  • · Replies 7 ·
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Gravitational field strength at point A between two masses

  • Lavace
  • · Replies 2 ·
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Check my thermodynamics homework quiz answers

  • Shackleford
  • · Replies 16 ·
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16

Mass of C1 to C2 Ratio: Find the Answer

  • student 1
  • · Replies 3 ·
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3

Can I Propel a Boat with a Speaker?

  • HappyEngineer
  • · Replies 5 ·
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Gauge Pressure of Balloon 25m Under Sea

  • suppy123
  • · Replies 3 ·
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Centripetal acceleration of speedboat in circular turn

  • zooboodoo11
  • · Replies 6 ·
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