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

Does anybody know the answer to this physics problem?

  • darealprince
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2

Calculate objects Position/acceleration as function of time

  • anubis01
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1

Vector 2B - Vector A (graphical method)

  • s31t8n8
  • · Replies 4 ·
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4

Calculating Normal Force of Log on Bullfrog

  • rebeccc
  • · Replies 1 ·
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1

Thermal Expansion of a gold ring

  • thaixicedxtea
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2

Block of ice on frictionless surface

  • rebeccc
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1

Astronaut Problem: 68kg Force at 12 Acceleration

  • rebeccc
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1

How Do You Calculate the Final Velocity of a Skydiver?

  • KaseyK
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1

What Is the Value of n in the Gas Law Equation for a Given Process?

  • Saladsamurai
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3

Hammer + Nail forces Will answer in response

  • sadakaa
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1

Truck Parked on 15° Slope: A 4000 Perspective

  • rebeccc
  • · Replies 1 ·
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1

Is the Tension Zero When Pulling a Box Up an Incline?

  • hp-p00nst3r
  • · Replies 10 ·
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10

Coefficient of kinetic friction problem

  • kkowale4
  • · Replies 3 ·
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3

Photons emitted from a light bulb problem

  • fishh
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3

What is the height of the cliff?

  • Nghi
  • · Replies 3 ·
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3
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1

Magnitude and direction of the resultant.

  • missie
  • · Replies 1 ·
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1

I dont understand how to calculate the speed in this problem ?

  • papi
  • · Replies 3 ·
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3

Magtnitude and direction of e&m

  • bodensee9
  • · Replies 13 ·
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13

How Is Phase Difference Calculated Between Two Sound Waves?

  • jrrodri7
  • · Replies 1 ·
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1

Kinematics Constant Acceleration

  • anubis01
  • · Replies 2 ·
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2

Halfway done Force/Friction Problem

  • ff4930
  • · Replies 4 ·
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4

How Do You Solve Motion and Collision Problems in Grade 12 Physics?

  • hoooossein
  • · Replies 1 ·
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1

Kinematics I think it's right, but the computer says NO

  • lmbiango
  • · Replies 18 ·
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18
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5

Calculate Earth's Radius with Sunset Physics | Attempt and Solution

  • Kudo Shinichi
  • · Replies 3 ·
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3

What is the Equivalent Resistance of this Messy Circuit?

  • elcotufa
  • · Replies 11 ·
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11

Calculate Distance of 5Kg Object on Frictional Surface: Matt's Help

  • Physics258744
  • · Replies 2 ·
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2

Understanding Tension: Rope Forces and Equilibrium

  • zach3535
  • · Replies 1 ·
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1

2D Kinematics, airplanes crashing wtf?

  • lmbiango
  • · Replies 12 ·
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12

Friction Help finding the coefficent of static friction

  • Jazzybelle4
  • · Replies 9 ·
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9

Ball Shot Up Ramp: Magnitude of Displacement

  • B-80
  • · Replies 3 ·
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3

How Do You Calculate Satellite Travel Times and Orbits?

  • haxxorboi
  • · Replies 2 ·
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2

What is the minimum distance she can be from the waterfall?

  • kmikias
  • · Replies 1 ·
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1

Electric Field Plastic Rod Problem

  • bodensee9
  • · Replies 4 ·
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4

Electric Field and Force of a Charged Particle Near a Stationary Ring

  • bodensee9
  • · Replies 2 ·
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2

Electric Field between Parallel Plates

  • 9giddjl
  • · Replies 2 ·
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2

How Are Superconductors Revolutionizing Maglev Train Technology?

  • linda_Power
  • · Replies 2 ·
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2

When will both of the balls be at the same height?

  • diaox3
  • · Replies 2 ·
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2

Find Magnitude of FA & FB in 8.27 kg Object

  • JJones_86
  • · Replies 2 ·
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2

What Does l Represent in the Equation l/x?

  • psylo1
  • · Replies 3 ·
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3
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9

Calculating Height of an Apartment House from Dropped and Thrown Balloon Data

  • Michael805
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2

How Do Football Patterns Affect Player Displacement and Angles?

  • mai786
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1

Changing from cartesian to polar

  • CompStang
  • · Replies 1 ·
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1

Will a Rock Thrown Upward Reach the Top of a Castle Wall?

  • BeckyStar678
  • · Replies 1 ·
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1
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1

Non Symetrical Parabola Question

  • Husker70
  • · Replies 7 ·
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7

Mass sliding down an incline plane(with friction)

  • Benzoate
  • · Replies 2 ·
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2

What Am I Doing Wrong with My Vector Velocity Calculations?

  • xCanx
  • · Replies 1 ·
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1

How Is Time Calculated for Angle Reduction in Javelin Throw Projectile Motion?

  • sweetlavender
  • · Replies 3 ·
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3

Solving for Tensions: Three Block System on Frictionless Table | F=ma Method

  • CaptainSFS
  • · Replies 1 ·
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1

How Can You Find the Treasure While Avoiding the Dragon?

  • Lamnia
  • · Replies 5 ·
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5

Conservation of Angluar Momentun question

  • ziptrickhead
  • · Replies 1 ·
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1

What Is the Time Between Waves Hitting the Boat?

  • Foxhound101
  • · Replies 2 ·
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2

Struggling to Understand Forces and Acceleration

  • JJones_86
  • · Replies 1 ·
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1

Kinematics how high does it go problem. Check

  • Eric_meyers
  • · Replies 6 ·
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6

How to find the angle between F2 and the x axis?

  • Godblessyou
  • · Replies 2 ·
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2

Relative Velocity of Car B to Car A at Different Speeds

  • missie
  • · Replies 7 ·
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7

Units of Calculation: Conversion Questions

  • parcerita
  • · Replies 1 ·
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1

What is the vector force exerted by Particle B on Particle A?

  • shinobi12
  • · Replies 2 ·
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2

Find Length of Sun Mass in km: Solving G, c, M Units

  • fk378
  • · Replies 3 ·
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3

Tennis Lob question Very confusing

  • carrbaseball
  • · Replies 5 ·
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5

Angular Momentum Conservation Problem

  • akan
  • · Replies 4 ·
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4

Do the two balls meet at the halfway point?

  • LadiesMan
  • · Replies 12 ·
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12
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3

What does the x = 0 notation mean?

  • Unassuming
  • · Replies 2 ·
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2
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7

Simple Harmonic Motion - Mass on a spring

  • nokia8650
  • · Replies 2 ·
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2

Calculating Relative Error for Circle Measurements: A Comprehensive Guide

  • Ashley11
  • · Replies 8 ·
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8

Force exerted at given angle, constant velocty, find weight

  • AR8742
  • · Replies 5 ·
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5

Solve Ball Vector Problem: Distance, Vertical & Horizontal Components

  • mossfan563
  • · Replies 1 ·
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1

Refractive index and speed of light

  • 3instein
  • · Replies 3 ·
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3

2D Kinematics I tried so hard

  • lmbiango
  • · Replies 4 ·
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4

Gravity Questions: Position & Velocity Equations

  • homeworkboy
  • · Replies 5 ·
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5

Object dropped from plane - where does it land?

  • x^2
  • · Replies 1 ·
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1

Did i do this right? distance vs time graph question

  • BeckyStar678
  • · Replies 1 ·
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1

Graphing Motion problem (motion in a straight line)

  • marienmn
  • · Replies 2 ·
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2

How Is the Maximum Temperature of an Otto Cycle Engine Calculated?

  • gnarkil
  • · Replies 1 ·
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1

Thermodynamics - efficiency from pv diagram

  • portofino
  • · Replies 14 ·
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14

Why is the spin of hydrogen atom 1/2 in NMR spectroscopy?

  • learning_phys
  • · Replies 9 ·
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9
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1

Speed of projectile after t seconds

  • Vanessa23
  • · Replies 1 ·
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1

Calculating Force Exerted in Space: A Problem-Solving Guide

  • sebas531
  • · Replies 3 ·
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3
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1

Efficiency of an engine performing the Joule ideal-gas cycle.

  • Jacobpm64
  • · Replies 3 ·
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3

Lightning and Airplanes: Solving a Distance Problem

  • computerex
  • · Replies 1 ·
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1

Understanding Voltage Drops in RCL Circuits

  • mganap
  • · Replies 6 ·
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6

Simple Harmonic motion of sand grain

  • nokia8650
  • · Replies 8 ·
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8

Finding initial velocity and theta, given range and height

  • Seri
  • · Replies 1 ·
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1

Projectile motion with a bounce

  • lax1113
  • · Replies 4 ·
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4

Physics car kinematics question

  • Eric_meyers
  • · Replies 2 ·
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2

Is Temperature Twice as Hot as Yesterday?

  • Kushal
  • · Replies 2 ·
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2

Multiple dielectrics in one capacitor

  • Rake-MC
  • · Replies 1 ·
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1

Net Electric Field between two line charges (different densities)

  • LostTime77
  • · Replies 12 ·
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12
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7

How Do You Calculate Tension in a String When Accelerating Upwards?

  • Kajayacht
  • · Replies 1 ·
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1

Interference- am I reasoning correctly?

  • bcjochim07
  • · Replies 5 ·
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5

How Does Sand Affect the Dynamics of a Conveyor Belt System?

  • dkgojackets
  • · Replies 8 ·
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8
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1