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

Field Goal Projectile Problem: Time to Score!

  • physicsguy98
  • · Replies 1 ·
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1

Mass of Particle in 0.200T Magnetic Field

  • taylor.simon
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1

Calculating Velocity of 100g Mass to Describe Circle on Table

  • Procrastinate
  • · Replies 5 ·
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5

"Find Out 1 meV in Å from E1/2 Equation

  • Niles
  • · Replies 1 ·
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1

Determining a smooth motion when given a function

  • vande060
  • · Replies 3 ·
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3

Vectors ; specifically cross product application

  • kapitanma
  • · Replies 4 ·
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4

Velocity of sound in air in a closed air column

  • enirak
  • · Replies 17 ·
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17

Analysis of Person Diving into Pool w/ Uniform Horizontal Beam

  • ana111790
  • · Replies 6 ·
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6

Integrating to find velocity and position equations

  • uchicago2012
  • · Replies 1 ·
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1

Trouble with a classic statics problem

  • Candalite
  • · Replies 1 ·
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1

Projectile Motion - Only given time and range

  • hogrampage
  • · Replies 1 ·
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1

Radius of Curvature: Homework Statement & Equation

  • Hogger
  • · Replies 1 ·
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1

Where Did I Go Wrong in Calculating Average Acceleration?

  • praecox
  • · Replies 2 ·
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2

Solving Vector Components: East-West and North-South Directions

  • mandi182
  • · Replies 3 ·
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3

Electric Field at Point P on Spherical Shell Insulator

  • heartofaragorn
  • · Replies 6 ·
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6

Calculating Time for Rectangular Block to Stop on Rough Ground

  • gaobo9109
  • · Replies 1 ·
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1

Vector Problem involving Cartesian plane

  • proster
  • · Replies 2 ·
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2
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1

Velocity and Acceleration of motorcycle

  • sasspup29
  • · Replies 3 ·
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3

Solution manual for Statistical Mechanics by Pathria

  • saiarun
  • · Replies 5 ·
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5

What is the Wavenumber and Transition for an H-Atom with n=732 to n=731?

  • rayman123
  • · Replies 1 ·
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1

Capacitors in series and electric potential

  • totalphysnoob
  • · Replies 4 ·
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4

Capacitor Question: Get Help & Answers Now

  • uniastroboy
  • · Replies 2 ·
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2

Kinematics Question Involving Submarine

  • ahsanxr
  • · Replies 2 ·
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2
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1

Finding Distance with Mechanical Energy Problem

  • raisatantuico
  • · Replies 5 ·
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5

Calculating Peak Charge and Total Energy

  • ProPatto16
  • · Replies 3 ·
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3

Fluids doubt water falling from a tap

  • rishicomplex
  • · Replies 1 ·
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1

Drawing a vector from the x and y components.

  • adare
  • · Replies 2 ·
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2

How do we calculate the Max value of x?

  • osy044
  • · Replies 1 ·
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1

Kinematics Question. Car's acceleration

  • chemoments
  • · Replies 1 ·
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1

Minimum Constant Acceleration for Aircraft Liftoff

  • delfam
  • · Replies 5 ·
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5

Electron moving between 2 charged plates

  • juggalomike
  • · Replies 1 ·
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1

I need little help in this question

  • Soulax
  • · Replies 4 ·
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4

Approximating Area of Region Bounded by y=sin(x) and x=0 to π

  • kings13
  • · Replies 1 ·
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1

Ask me some conceptual questions on waves?

  • donkeycopter
  • · Replies 2 ·
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2

Finding Magnitudes of Vectors Using the COMPONENTS Method

  • crossxfire2
  • · Replies 4 ·
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4

What Is the Initial Velocity of a Particle Accelerating for 0.350s?

  • swatmedic05
  • · Replies 3 ·
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3

How Do You Calculate When One Moving Object Overtakes Another?

  • kittykatxox
  • · Replies 3 ·
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3
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2

The hot-air ballon intersection question.

  • aeabdo11
  • · Replies 4 ·
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4

How Do I Solve a Parallel Circuit Problem?

  • fcb
  • · Replies 3 ·
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3

Solving for I: A Puzzling Problem

  • pat666
  • · Replies 6 ·
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6

Why Does Static Friction Cause Torque in a Rolling Ball?

  • raisatantuico
  • · Replies 3 ·
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3

Accelerating a Car: Min Time to Reach Speed v

  • Kyoma
  • · Replies 3 ·
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3

Simple problem, but confused with acceleration of gravity

  • mizzy
  • · Replies 4 ·
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4

Peak EMF in Generator Coil at 90.0 Hz: 0.012V

  • ProPatto16
  • · Replies 3 ·
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3

What Causes Electrons to Revolve Around the Nucleus?

  • m00ni
  • · Replies 4 ·
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4

How to find fundamental frequency

  • ngcg
  • · Replies 4 ·
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4

Charged shpere inside grounded shell

  • Terocamo
  • · Replies 3 ·
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3

Solving for Magnetic Flux in a Square Loop

  • louza8
  • · Replies 2 ·
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2

Find strength and direction of electric field

  • sheepcountme
  • · Replies 3 ·
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3

How to Construct Best Fit, Min and Max Slope Lines with Error Bars for Graph?

  • curiousgeorge99
  • · Replies 7 ·
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7

Curvature/centrifugal force problem

  • TroyWeathers
  • · Replies 2 ·
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2

Help me understand kinematics lecture on derivation of laws of motion

  • madah12
  • · Replies 3 ·
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3

Speed/Velocity Help: Understand Distance, Units & Formulas

  • Meme:D
  • · Replies 2 ·
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2

Mass a helium balloon can overcome

  • StheevilH
  • · Replies 6 ·
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6

Velocity Time Graph to calculate resistive forces

  • vf_one
  • · Replies 3 ·
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3

Marathon runner velocity problem

  • Allura
  • · Replies 4 ·
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4

Calculating the angle of the force exerted on a pulley

  • riddle
  • · Replies 18 ·
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18

Known: v, t, and a cannot find Δy

  • eriadoc
  • · Replies 6 ·
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6

Calculating Velocity of Bowling Ball at 3.0s

  • Allura
  • · Replies 2 ·
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2

Calculating Time for Arrow to Stop Moving Respect to Block

  • aggieboy
  • · Replies 2 ·
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2

Which car has the greater deceleration rate?

  • theman12
  • · Replies 2 ·
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2

Energy emitted by radiation from a pipe

  • Karol
  • · Replies 2 ·
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2

What is the speed of a falling bolt in an upward-moving elevator?

  • enderAM
  • · Replies 4 ·
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4

Setting intantaneous velocity equal to average velocity

  • vande060
  • · Replies 9 ·
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9

Electric Field at the Center of a Triangle

  • Brandone
  • · Replies 2 ·
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2

Deriving the Equation for Final Velocity Using Kinematic Equations

  • zeion
  • · Replies 2 ·
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2

Linear Momentum: Homework for Block on Triangular Block

  • zorro
  • · Replies 4 ·
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4

Understanding Spring Balances and Series Setups

  • shyta
  • · Replies 6 ·
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6

Maximum angle of deflection after collision

  • osy044
  • · Replies 1 ·
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1

Laws of motion/vectors question?

  • ooohlala
  • · Replies 7 ·
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7

Charged Particles in Electric and magnetic fields

  • sarahdee
  • · Replies 5 ·
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5

Single Slit Question: Linear Distance & Wavelength Calculation

  • MetsFan09
  • · Replies 3 ·
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3

A problem of strings, pulleys and weights

  • The legend
  • · Replies 8 ·
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8

Finding resistance (electric circuit)

  • Acuben
  • · Replies 1 ·
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1

Find Solution for Electrostatic Force Neutralization

  • popo902
  • · Replies 3 ·
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3

MATHS INTEGRATION, Wont let me post in calculus forum

  • ProPatto16
  • · Replies 9 ·
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9

What is the distance and direction between city A and city C?

  • hrgardner33
  • · Replies 3 ·
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3

Need help on conversion factors (physics)

  • GoBlue03
  • · Replies 1 ·
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1

Finding position from velocity with integration

  • ana111790
  • · Replies 1 ·
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1

What is the final velocity of a dropped package in free fall?

  • jpd5184
  • · Replies 2 ·
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2

"Solving for a to Make Vector A a Unit Vector

  • f24u7
  • · Replies 1 ·
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1

Electrostatic force of Repulsion

  • popo902
  • · Replies 4 ·
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4

Thermodynamics ice cube problem

  • Jeffopolis
  • · Replies 5 ·
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5

Height at which two balls collide traveling opposite direcitons

  • Tachypsychia
  • · Replies 3 ·
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3

Solving Car Stopping Distances and Decelerations

  • busbus
  • · Replies 3 ·
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3

Finding vertical displacement in terms of a function of two heights.

  • thepatient
  • · Replies 1 ·
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1

RMS Current in an AC Generator with Doubled Rotational Speed

  • Terocamo
  • · Replies 4 ·
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4

Instantaneous velocity electron

  • jpd5184
  • · Replies 26 ·
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26

Finding voltages across capacitors under DC conditions

  • ravensfan
  • · Replies 2 ·
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2

Find total force resisting motion.

  • Bananahat
  • · Replies 2 ·
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2

Relativity - Length Contraction

  • pat666
  • · Replies 2 ·
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2

Help with Science calculations please

  • glori1988
  • · Replies 3 ·
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3

Solving for time and final velocity in a basic physics equation

  • tomtomgreg
  • · Replies 2 ·
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2

What Is the Minimum Average Speed Required to Catch the Ball?

  • sdrohrig
  • · Replies 1 ·
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1

How far must he now travel to reach base camp?

  • FriskeCrisp
  • · Replies 7 ·
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7

Calculating Impedance and Voltage Drop in an RLC Circuit

  • ProPatto16
  • · Replies 2 ·
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2

Magnetic Flux in 2.6T Field & 26cm Square Loop

  • pat666
  • · Replies 8 ·
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8