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.

Threads

Solve Acceleration Problem: Car Overtaken After 4 sec.

  • bond.173
  • · Replies 2 ·
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2

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
  • · Replies 3 ·
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3

Quantum mechanics: free partical in spherical coordinates

  • liorda
  • · Replies 10 ·
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10

Uniform circular motion and coordinate system

  • ace123
  • · Replies 5 ·
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5

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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5

Determine magnetic field from figure

  • scholio
  • · Replies 2 ·
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2

Work done by the rope and power of electric motor

  • ramma_akash
  • · Replies 1 ·
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1

Balancing torques, static equalibrium

  • Bu2009
  • · Replies 1 ·
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1

Calculating Net Force for a Diving Person | Homework Help

  • Kris1120
  • · Replies 2 ·
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2

What is the Maximum Torque on a Coil in a Magnetic Field?

  • scholio
  • · Replies 6 ·
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6

Effect of Density and Volume Changes on Buoyancy in a Glass of Water

  • Anony-mouse
  • · Replies 4 ·
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4

Doppler Effect of a 1-kilohertz sound

  • Fanaticus
  • · Replies 5 ·
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5

What Is the Speed of a Bucket in Vertical Circular Motion?

  • 0338jw
  • · Replies 9 ·
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9

Electrostatic Forces and Coulombs Law Question

  • KMjuniormint5
  • · Replies 3 ·
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3

? on change in mechanical energy

  • ken.adams
  • · Replies 2 ·
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2

Inelastic Scattering - Calculate Energy Change

  • ajhunte
  • · Replies 1 ·
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1

Elastic Collision of a gold nucleus

  • habibclan
  • · Replies 8 ·
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8

How to Solve a Pulley/Distributed Load Problem for an Engineering Exam?

  • aaronjason
  • · Replies 1 ·
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1

ANSWER: ____Rotational Dynamics - Wheel Stops at 2.20s w/489 Rad Total

  • emeraldempres
  • · Replies 1 ·
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1

Determining Mica Thickness Using Interference Fringes

  • inflames829
  • · Replies 1 ·
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1

Calculating Slit Width from Monochromatic Light Diffraction | 616nm Wavelength

  • inflames829
  • · Replies 1 ·
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1

How Does a Hydraulic Lift Work with Different Piston Sizes?

  • Pat2666
  • · Replies 1 ·
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1

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

Solve Pulley Question Homework: Find Acceleration, Tension & Speed

  • student 1
  • · Replies 5 ·
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5

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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13

Find the equation for horizontal motion

  • clintau
  • · Replies 20 ·
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20

Calculating Sonic Boom Time: Jet Aircraft at Mach 1.5 and Altitude of 5029m

  • inflames829
  • · Replies 10 ·
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10

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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8

Calculating Net Work Done by 500g Mass on Unstretched Spring

  • habibclan
  • · Replies 6 ·
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6

Help uranium and plutonium costs

  • brandy
  • · Replies 7 ·
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7

Answer: Energy Conservation: Maximum Compression & Max Velocity

  • habibclan
  • · Replies 5 ·
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5

Calculating Power and Force in a Sprinter's Run

  • habibclan
  • · Replies 4 ·
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4

Solving Stress Concentration for Elliptical Hole in Square Panel

  • raunakm
  • · Replies 1 ·
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1

Friction of conveyor belt on suitcase

  • habibclan
  • · Replies 11 ·
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11

Draw Double Concave Lens Diagram

  • Wubby
  • · Replies 3 ·
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3

Find initial velocity only need hint

  • itunescape
  • · Replies 1 ·
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1

What is the glider's velocity just after the skydiver lets go?

  • habibclan
  • · Replies 10 ·
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10

What is Bob's maximum power output as he throws the rock?

  • habibclan
  • · Replies 6 ·
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6

Calculating Components and Magnitude of Forces and Acceleration

  • jrfskater
  • · Replies 1 ·
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1

How do I calculate the necessary pump pressure for a 11.5 m fountain?

  • Zacthor
  • · Replies 6 ·
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6

What is the radius of the spherical cavity?

  • ramalik
  • · Replies 1 ·
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1
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3

How Do You Calculate the New Diameter Needed to Reduce Pressure in a Pipe?

  • Vanessa23
  • · Replies 3 ·
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3

Calculating Resistive Force and Power for a Bullet Fired into a Tree

  • dralion87
  • · Replies 18 ·
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18

Electron vector analysis question

  • chemboy
  • · Replies 12 ·
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12

Bouncing Ball Position, Velocity and Acceleration Graphs.

  • habibclan
  • · Replies 7 ·
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7

Find the Ramp Angle for a 3kg Block on a Frictionless Ramp

  • vincentp07
  • · Replies 2 ·
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2

How to Find the Modulus of Velocity and Acceleration?

  • ritwik06
  • · Replies 1 ·
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1

Finding Acceleration in a Moving Particle

  • habibclan
  • · Replies 5 ·
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5

What Is the Tension in San Francisco's Cable Car System?

  • accobos
  • · Replies 2 ·
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2

Block floating in water - Oil is added

  • emenos
  • · Replies 1 ·
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1

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
  • · Replies 2 ·
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2

Principle of Conversation Of Energy question

  • alexyvettea
  • · Replies 2 ·
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2
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3

Compression of a Jaguar XK8 Cylinder

  • Number1Ballar
  • · Replies 2 ·
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2

Drawing Vector in Positive Z Direction: Quick Answer

  • ace123
  • · Replies 5 ·
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5

Solving Instantaneous Velocity: Average Speed Calculation

  • 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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2

Vector analysis homework question

  • chemboy
  • · Replies 4 ·
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4

Car Oscillates - What's Its Mass?

  • Pat2666
  • · Replies 8 ·
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8

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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1

Analyzing circuits with resistor/battery

  • scholio
  • · Replies 5 ·
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5

What is the average power of the horse?

  • qman316
  • · Replies 35 ·
2
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35

Graph Scale Problems: Solve 0.001-0.123 Range Issues

  • _Mayday_
  • · Replies 6 ·
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6

Illusion that appears to be suspended

  • jillz
  • · Replies 1 ·
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1

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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33

I think you're right. I'll try to be more careful.

  • jbowers9
  • · Replies 7 ·
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7

Solve for Gravitational Field Strength at Point A: Get Help Here!

  • Lavace
  • · Replies 2 ·
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2

Thermodynamics Quiz: Check Your Understanding

  • 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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5

Gauge Pressure of Balloon 25m Under Sea

  • suppy123
  • · Replies 3 ·
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3

Speed boat question: calculating centripetal acceleration

  • zooboodoo11
  • · Replies 6 ·
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6

Calculating Beat Frequency for Two Loudspeakers

  • inflames829
  • · Replies 2 ·
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2

Solve Spring Force Collision: Mass 0.8 kg, k = 50 N/m

  • alex9050
  • · Replies 20 ·
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20
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4

Elastic collision find final velocity 8.39

  • emeraldempres
  • · Replies 3 ·
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3

Calculating Image Height from Magnification: How to Solve

  • fatima_a
  • · Replies 5 ·
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5

How Is Maximum Velocity Calculated in Simple Harmonic Motion?

  • Pat2666
  • · Replies 2 ·
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2

Dissipation of mechàanical energy in collision of sandwiches

  • emeraldempres
  • · Replies 7 ·
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7

Calculate the change in the total kinetic energy

  • emeraldempres
  • · Replies 4 ·
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4

Energy Needed to Remove an Electron

  • LHC
  • · Replies 4 ·
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4

Period of Oscillation of Pendulum Varies with Amplitude

  • armis
  • · Replies 12 ·
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12

Solving Force Problem: 2kg Ball Falling From 10m

  • sheevz
  • · Replies 5 ·
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5

Comparing X1 to X2: Find the Ratio

  • student 1
  • · Replies 13 ·
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13

How far does the block travel up the incline before sliding back down?

  • emeraldempres
  • · Replies 8 ·
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8

Quantum mechanics minimum uncertainty

  • jalen
  • · Replies 4 ·
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4

How Do You Solve an Elastic Collision Problem Involving a Sloped Track?

  • okaymeka
  • · Replies 5 ·
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5

I dont get them and they seem to easy

  • dralion87
  • · Replies 6 ·
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6