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

Maximum Range of a Ballista Arrow: Accounting for Realistic Factors

  • joel amos
  • · Replies 4 ·
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4

How Long to Catch a Drifting Boat on the Deschutes River?

  • johnhuntsman
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2

Help finding Tension on a hanging bag

  • szimmy
  • · Replies 2 ·
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2

Calculate Planet Radius: Trig & No Calculator

  • johnsholto
  • · Replies 5 ·
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5

Charge on a parallel plate capacitor

  • tomwilliam2
  • · Replies 6 ·
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6

Help with senior high school physics problem please?

  • RickWinther
  • · Replies 6 ·
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6

Kinematic and Projectile motion equations

  • McDonell
  • · Replies 6 ·
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6

Find the tension in each cable Physics Problem -

  • riseofphoenix
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1

5 SHM Problems i can't get HELP

  • gf_24
  • · Replies 2 ·
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2

Circular momentum - Loop-the-loop question.

  • Ripe
  • · Replies 3 ·
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3

Circular mgomentum - Tension of a string.

  • Ripe
  • · Replies 5 ·
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5

What can be the maximum velocity

  • utkarshakash
  • · Replies 2 ·
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2
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9

Oscillatory Motion: Frequency 3.00, Amplitude 5.00 cm

  • farah2020
  • · Replies 1 ·
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1

Ordering Balls By Velocity & Acceleration After Thrown From Building

  • bpb83
  • · Replies 8 ·
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8

Weight of Satellite around earth

  • layla2525
  • · Replies 2 ·
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2

Satellite Orbit Period Change if Earth Mass Multiplied by 4

  • layla2525
  • · Replies 1 ·
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1

Is the electric scheme correctly redrawn?

  • kakadas
  • · Replies 2 ·
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2

What Is the Acceleration of a Thrown Ball at Its Peak?

  • trollcast
  • · Replies 3 ·
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3

How Far Does a Suspended Object Move Due to Gravitational Attraction?

  • jawhnay
  • · Replies 15 ·
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15

Earth's Gravitational Field Strength

  • Jtappan
  • · Replies 4 ·
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4

What is the force behind artificial gravity in rotating space stations?

  • layla2525
  • · Replies 1 ·
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1

Basic Forces Question (Piano Slides Across Floor)

  • Plutonium88
  • · Replies 5 ·
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5

Tension required to heal a fractured tibia

  • flip290
  • · Replies 1 ·
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1

Length of acceleration for a rock fragment escaping Mars

  • flip290
  • · Replies 3 ·
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3

I know f=ma but I need velocity

  • sjcorona
  • · Replies 1 ·
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1
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3
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11

Help with an Atwood's Machine problem

  • jcranford
  • · Replies 4 ·
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4
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1

Calculating Horizontal Component of Raindrop Velocity on Moving Train

  • Toranc3
  • · Replies 4 ·
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4

How Does a Frictionless Pulley System Affect the Force on a Ceiling Hook?

  • Aguilar2393
  • · Replies 2 ·
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2

Projectile Motion: Clearing a Fence?

  • Arooj
  • · Replies 1 ·
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1

Dimensional analysis of simple pendulm

  • Brown Arrow
  • · Replies 2 ·
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2

Finding Time of Flight/Maximum Height/Horizontal Range

  • ZeshShawn
  • · Replies 1 ·
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1

Need Help with Projectile Motion Homework?

  • gabbiem10
  • · Replies 2 ·
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2

Spiral Motion of a Bird of Prey: Analysis & Calculations

  • Toranc3
  • · Replies 13 ·
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13

Projectile Motion Problem (Object thrown from the top of a cliff)

  • Parkkk41
  • · Replies 2 ·
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2

Solving for time when given distance and acceleration,

  • jkmjkm
  • · Replies 3 ·
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3

Simple Harmonic Motion, Force as a Function of Time

  • SHISHKABOB
  • · Replies 18 ·
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18

Finding Force and Distance in Simple Harmonic Motion Problem

  • Kefurinu
  • · Replies 1 ·
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1
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4

Angled Projectile at an elevated height

  • darkdeeds
  • · Replies 3 ·
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3

Solve Pulley Problem: Speed of Blocks After Moving Distance d

  • Thorskur
  • · Replies 3 ·
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3

How does a high pass filter work?

  • aaaa202
  • · Replies 10 ·
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10

Determine the distance the sled will slide before coming to rest.

  • ExtendedG
  • · Replies 2 ·
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2

Number of K electrons that are ejected from lead

  • TheBoy
  • · Replies 1 ·
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1

Finding velocity on flat part of ramp

  • Fieldguise
  • · Replies 9 ·
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9

Calculating Kinetic Energy, Power & Resistive Force of an Amphibious Vehicle

  • SalsaOnMyTaco
  • · Replies 4 ·
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4

Find force on a crate while a driver accelerates

  • Ally385
  • · Replies 2 ·
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2

What is the comet's maximum speed at its farthest distance from the star?

  • johnsholto
  • · Replies 3 ·
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3
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5

Static and Kinetic friction question

  • Freemark
  • · Replies 4 ·
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4

Calculating Tangential Speed and Centripetal Acceleration on Earth's Equator

  • rainy365days
  • · Replies 1 ·
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1

I need to find the velocity vector two results help please

  • mimi.janson
  • · Replies 2 ·
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2

Can a particle exceed the speed of light in water

  • DODGEVIPER13
  • · Replies 8 ·
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8

Finding the current for each time interval (Electric circuits)

  • s3a
  • · Replies 3 ·
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3

How to Find Velocity With Non-Constant Acceleration

  • Ellipses
  • · Replies 2 ·
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2

Force, mass, friction question

  • mysticbms
  • · Replies 5 ·
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5

Equivalent Capacitance of a set of Capacitors

  • NotCarlSagan
  • · Replies 2 ·
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2

Equilibrium of a constant speed

  • layla2525
  • · Replies 3 ·
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3

Algebra - Quartz Tuning Fork Watch

  • CallMeShady
  • · Replies 3 ·
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3

Center of Mass involving Dumbbell With Uneven Weigths

  • DebonDevil
  • · Replies 1 ·
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1

Planck's problem (waves and frequency)

  • lemin_rew
  • · Replies 3 ·
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3

Specific heat capacity and final temperature

  • moimoi24
  • · Replies 6 ·
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6

How Do You Calculate the Bounce Distance R(H, h) for a Marble?

  • USAfightr
  • · Replies 1 ·
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1

Calculating Capacitance of LC Circuit

  • omer10000
  • · Replies 5 ·
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5

Adding three vectors, why is this not right?

  • rickbusiness
  • · Replies 4 ·
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4

How Do You Solve for Time and Average Acceleration in a Semicircular Motion?

  • Violagirl
  • · Replies 1 ·
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1

Applying Newton's Laws question.

  • vysero
  • · Replies 1 ·
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1

How Do You Calculate Potential Energy for Different Orientations of a Brick?

  • SammyLP250
  • · Replies 3 ·
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3

Solve 1D Dynamics Problem: Can Car Stop Before Intersection?

  • hydra03
  • · Replies 1 ·
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1

How Does Gravity Affect the Motion of a Falling Box from an Elevator?

  • Violagirl
  • · Replies 7 ·
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7

Projectile motion problem where the projectile is a rocket

  • isTheReau
  • · Replies 8 ·
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8

Calculating Capacitance of LC Circuit

  • omer10000
  • · Replies 1 ·
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1

If a beam of light with an angle of incidence

  • samrifai13
  • · Replies 1 ·
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1

Problems with minimal information

  • mrmlund
  • · Replies 2 ·
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2

Electric potential of a solid copper sphere

  • bfusco
  • · Replies 1 ·
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1

Optics question, can anyone confirm my answer?

  • It_Angel
  • · Replies 2 ·
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2

Current problem with emf and internal resistance

  • jamesbiomed
  • · Replies 11 ·
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11

Kinematics problem, is it possible to solve with given information?

  • pyx
  • · Replies 11 ·
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11

Why Does the Electric Field in a Conductor Go to Zero?

  • Noesis
  • · Replies 18 ·
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18

Answer Checking (Speed of Sound formula, dimensional analysis)

  • Phonetic
  • · Replies 1 ·
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1

Circular Motion of the Earth around the sun

  • layla2525
  • · Replies 2 ·
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2

Need help in the physic HW question This is not the box question

  • NasuSama
  • · Replies 21 ·
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21

How Far Did A Travel to B's House?

  • supermiedos
  • · Replies 3 ·
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3

Help please simple Physics frictionless crate on ramp problem Urgent?

  • nchin
  • · Replies 2 ·
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2

Calculating horizontal distance using angle and max height

  • kgianqu2
  • · Replies 2 ·
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2

Is Live Chat Available for Urgent AP Physics Homework Help?

  • 123lar
  • · Replies 6 ·
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6

Special Relativity - 2 observers - 2 frames of reference

  • kachilous
  • · Replies 2 ·
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2

Horizontal and Vertical Velocity

  • kgianqu2
  • · Replies 2 ·
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2
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2

Help please simple Physics motion in one dimension problem Urgent?

  • nchin
  • · Replies 4 ·
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4

Solve Balloon Problem Homework: Time & Speed Impact

  • CrossFit415
  • · Replies 3 ·
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3

Free Fall Object: Time and Height Calculations from Rest | Homework Equations

  • steven1495
  • · Replies 5 ·
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5

Electrostatic potential using method of images

  • tomwilliam2
  • · Replies 4 ·
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4

Is there a simple formula when for getting the right sig-digs?

  • student34
  • · Replies 4 ·
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4
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9

Why does time and space have to be relative?

  • aaaa202
  • · Replies 3 ·
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3

What is the uncertainty in a squared quantity?

  • lemin_rew
  • · Replies 4 ·
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4