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

Solving Momentum and Elasticity Problem

  • vaironl
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6

Distance travelled by a thrown object

  • Dberry
  • · Replies 3 ·
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3

When does the speed equal 10 m/s?

  • InsTanCeZ
  • · Replies 1 ·
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1

Analyzing Electric Circuits: Homework Help

  • MsHomework
  • · Replies 11 ·
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11

Finding the Mass of An Object as It Slides Over a Frictionless Surface

  • xxooemmy1
  • · Replies 1 ·
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1

Momentum and Energy Conservation in Collision Problems

  • AverteProxy
  • · Replies 1 ·
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1

Space station-nature of orbit?

  • humanist rho
  • · Replies 4 ·
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4

Torque, angular acceleration, and moment of inertia

  • chromium1387
  • · Replies 2 ·
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2

Solving the Yo-Yo's Limit Angle for Acceleration

  • dany-vai
  • · Replies 2 ·
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2

Electric field of infinite nonconducting sheets

  • nizsu
  • · Replies 1 ·
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1

Understanding Physics Problems: Work, Energy, and Power

  • awesomeman123
  • · Replies 1 ·
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1

Using the Elastic equation to find the final velocity

  • MyMotto
  • · Replies 1 ·
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1

Box resting on an inclined plane

  • JamesW
  • · Replies 3 ·
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3

Radiation pressure of a light bulb

  • aytrees
  • · Replies 1 ·
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1

A bead slides on a circular wire

  • minmm
  • · Replies 1 ·
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1
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3

Calculating the wavelength of an electron

  • bobsmith76
  • · Replies 7 ·
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7

Oscillating, hanging spring-block system

  • Color_of_Cyan
  • · Replies 5 ·
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5

Determining Throwing Height: Dimensional Analysis

  • Firben
  • · Replies 5 ·
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5

Electricity; Calculating Resistance.

  • FlyingSpartan
  • · Replies 6 ·
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6

Throwing a ball in a 2D projectile motion and lands on an inclined plane

  • dhagstk
  • · Replies 1 ·
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1
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2

Vector Notation Inconsistencies

  • LearninDaMath
  • · Replies 5 ·
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5

Finding the Percentage of a Sphere Immersed in Water

  • kswoff
  • · Replies 5 ·
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5

Force exerted on bicycle to maintain cosntant speed

  • ErwinJL
  • · Replies 2 ·
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2

Which One is Wrong? Find Out Here!

  • LiiArch
  • · Replies 11 ·
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11

Motion problems using antiderivatives

  • Nitrate
  • · Replies 1 ·
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1

Toppling cylinder angular velocity

  • h4nsm0l3m4n
  • · Replies 1 ·
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1

Derive an expression for the flux through a sphere

  • phosgene
  • · Replies 3 ·
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3

Total elastic potential energy of a compressed spring?

  • ErwinJL
  • · Replies 2 ·
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2
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7

Ray tracing diagram for white light moving through glass

  • phosgene
  • · Replies 10 ·
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10

Rotation around center of mass principle

  • arto460
  • · Replies 1 ·
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1

A steel rod of 0.10kg rests on two metal rails inclined at an angle of

  • SpecialKM
  • · Replies 7 ·
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7

Calculating Forces in Electrostatic Fields w/ q & 4q

  • bansal321
  • · Replies 3 ·
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3

Spring constant and oscillation expression? Help.

  • nukeman
  • · Replies 12 ·
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12

Classical Mechanics Kleppner Problem

  • ypudi
  • · Replies 14 ·
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14

What is the magnitude of the electric field in a given scenario?

  • physgrl
  • · Replies 6 ·
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6

How to sketch harmonic component graph?

  • ryanmcarthy
  • · Replies 1 ·
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1

Newton's 1st, 2nd, & 3rd laws of motion

  • xLuvux
  • · Replies 3 ·
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3

Help Solve Kinematics Homework Problem: Two Train Cars

  • Vick007
  • · Replies 1 ·
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1

Induction of emf in moving conductors in magnetic fields

  • tzxn3
  • · Replies 8 ·
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8

Calculating the number of photons in a wave

  • Daintyg
  • · Replies 3 ·
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3

Physics w/ Calculus, Ch. 1 question: Vector Addition

  • LearninDaMath
  • · Replies 5 ·
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5

Buoyancy (A Boat in Water vs Alcohol)

  • Rapier
  • · Replies 1 ·
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1

Conservation of linear momentum at the skating rink

  • mstud
  • · Replies 3 ·
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3

What is the significance of gravitational units in understanding momentum?

  • Rakinniya
  • · Replies 2 ·
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2

Calculate Pressure on a Dam: Answer 0.33

  • Rapier
  • · Replies 3 ·
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3

Why do steam burns cause more severe skin damage than water burns?

  • billybobay
  • · Replies 2 ·
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2

Integral of solids with linearly decreasing charge density

  • Aesteus
  • · Replies 2 ·
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2

Calculating the Value of Q for Constant Pressure Heat Transfer

  • annalise17
  • · Replies 2 ·
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2

Calculating the rest mass of Ra [simple ]

  • bsmm11
  • · Replies 1 ·
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1

Total Mechanical Energy Swing Problem

  • Snape1830
  • · Replies 19 ·
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19

How Do Geometry and Component Methods Compare in Vector Addition?

  • sami23
  • · Replies 11 ·
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11

Electron Acceleration & movement between a uniform magentic field

  • HarleyM
  • · Replies 12 ·
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12

Car Cliff Equation: Distance to Ground from Base

  • billybobay
  • · Replies 3 ·
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3

Calculate Distance for Bob to Stop at Stop Sign

  • billybobay
  • · Replies 3 ·
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3

What height will your cousin reach if thrown at 5 m/s?

  • billybobay
  • · Replies 1 ·
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1
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5

The components of Vector A are given as follows

  • Mdhiggenz
  • · Replies 3 ·
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3
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7

How do I multiply fractions with large numbers?

  • jemjabella42
  • · Replies 1 ·
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1

Centripetal Force Lab Percent Error and Accepted Values Help PLEASE

  • mickchick1
  • · Replies 5 ·
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5

Damped Oscillator and amplitude

  • JohnnyCollins
  • · Replies 1 ·
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1

Thevenin equivalent for strain gauge bridge

  • damien88
  • · Replies 10 ·
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10

What Is the Displacement of the Wandering Wolf?

  • hotshot1kille
  • · Replies 2 ·
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2

Force and Air Balloon problem help

  • Kinermatics
  • · Replies 1 ·
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1

Gravitational Acceleration and Determining Height

  • ZdravkoBG
  • · Replies 6 ·
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6
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2

Please me help with this acceleration question

  • xLuvux
  • · Replies 12 ·
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12

Propulsive Force in Kayak: What Is It & How to Generate?

  • The-alexandra
  • · Replies 6 ·
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6

Average Velocity and Acceleration Calculations for Walking Man

  • InsTanCeZ
  • · Replies 1 ·
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1

Barometric formula and height ratios

  • shyguy79
  • · Replies 6 ·
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6

How Do You Calculate the Mass of Tritium in a Mass Spectrometer?

  • bobsmith76
  • · Replies 6 ·
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6
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3

Initial acceleration of a charged particle

  • hudsonale10
  • · Replies 7 ·
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7

Expansion of mercury in a thermometer

  • bacon
  • · Replies 3 ·
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3

Mass flow rate through De Laval Nozzle

  • darksupernova
  • · Replies 1 ·
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1

Location of maximum electric field due to a ring of charge?

  • mHo2
  • · Replies 6 ·
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6

Geometric vs Componentwise Vector Addition

  • linie18
  • · Replies 3 ·
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3

Deriving the Elastic Energy Equation: How Do I Go from F=kx to F=1/2kx^2?

  • davyvfr
  • · Replies 1 ·
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1

Conducting sphere surrounded by insulator with dielectric constant

  • zhillyz
  • · Replies 1 ·
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1

[Statistical Physics] Spin-1 atoms in uniform magnetic field

  • timon
  • · Replies 1 ·
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1

Calculating Volume Change of a Partially Inflated Yoga Ball

  • lalahelp
  • · Replies 2 ·
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2

Calculate the output voltage of the circuit

  • damien88
  • · Replies 6 ·
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6

Satellite Orbiting around the Earth (gravitational fields)

  • HarleyM
  • · Replies 2 ·
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2

Wavelength Speed Question

  • jemjabella42
  • · Replies 3 ·
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3

Cross section of a stream flowing from a hole

  • rbwang1225
  • · Replies 1 ·
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1

What Are the Torques on a Rectangular Plate in Equilibrium?

  • zezima1
  • · Replies 2 ·
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2

Final Displacement: 5 Blocks, 53 Degrees E of N - Homework Question Explained

  • billybobay
  • · Replies 4 ·
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4

Gravitational Potential of Scooped Sphere System

  • devvaibhav
  • · Replies 15 ·
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15

Charged particle attatched to spring.Find the period of oscillation?

  • humanist rho
  • · Replies 1 ·
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1

Finding Momentum of a fragment after explosion

  • Serendipitydo
  • · Replies 2 ·
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2

What is the Force on a Proton in a 0.5 T Magnetic Field?

  • bobsmith76
  • · Replies 1 ·
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1

The mass of the ball is m, and the length of the string is L

  • rbwang1225
  • · Replies 1 ·
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1

Oscillating mass on a spring - non-constant mass

  • Nivlac2425
  • · Replies 2 ·
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2

Finding the voltage of an oil droplet, Millikan's experiment

  • bobsmith76
  • · Replies 3 ·
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3

Angle Between Vectors A & B: Solve the Mystery!

  • mrowcow
  • · Replies 7 ·
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7

Finding the mass of a particle, when its charge is known

  • bobsmith76
  • · Replies 4 ·
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4

When Does the Metal Ball Leave the Tray in a Vertical Spring System?

  • Nivlac2425
  • · Replies 6 ·
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6