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

How Do You Calculate Total Distance with Different Speeds?

  • SpeedeRi2
  • · Replies 4 ·
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4

Finding Velocity and Maximum Height in Projectile Motion

  • SpeedeRi2
  • · Replies 8 ·
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8
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2

Spring oscillation with friction

  • mmht579
  • · Replies 2 ·
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2

Question on rotational dynamics

  • mathlete
  • · Replies 9 ·
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9

Conservation of energy of speeding truck

  • tre2k3
  • · Replies 10 ·
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10

Solving 24 cosh x + 16 sinh x = 2500

  • john425
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2

How Does Energy Transfer Affect Temperature and Work in Gas Processes?

  • andrew410
  • · Replies 2 ·
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2

What Is the Maximum Force to Prevent the Top Block from Slipping?

  • tony873004
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2

When should a coastguard cutter start out to intercept a ship?

  • LondonLady
  • · Replies 5 ·
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5

Finding the Center of Mass of a Hollowed Out Sphere

  • Blingo
  • · Replies 7 ·
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7
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2

Can Geometry Experts Simplify Complex Proofs?

  • ruthless
  • · Replies 9 ·
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9
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3

Don't understand with the question

  • Sanosuke Sagara
  • · Replies 5 ·
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5
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3

Prove Limit n^(1/n) = 1 as n->oo

  • b0mb0nika
  • · Replies 4 ·
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4
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2

Calculating Determinants in Visual Basic: Cramer's Rule Method

  • Shahil
  • · Replies 10 ·
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10

Angular acceleration/tangential velocity

  • buffgilville
  • · Replies 2 ·
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2

Algebraic Vectors - Calculating Unit Vectors and Magnitudes

  • dekoi
  • · Replies 5 ·
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5

Motion of Charged Particle in a Magnetic Field

  • SoberSteve2121
  • · Replies 2 ·
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2

Integral of exp(x)*sqrt(5-cos(x)) | Hard

  • relativitydude
  • · Replies 3 ·
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3
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2

How Much Force Is Needed to Overcome Static Friction and Move a Crate?

  • tony873004
  • · Replies 2 ·
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2

OUNT OF ENERGY LOST IN COMPTON SCATTERING EXPERIMENT

  • Bobster
  • · Replies 4 ·
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4

Calculating Force Required to Lift Box at 8 m/s^2

  • Help_Me_Please
  • · Replies 3 ·
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3
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5
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2

Tension, kinetic friction, and two blocks

  • FIONEX
  • · Replies 2 ·
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2

Solve Linear Algebra Questions: Matrices, Transposes, and More!

  • nycxfalcon
  • · Replies 3 ·
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3

Quick Question about the mag field of a solenoid

  • JamesL
  • · Replies 2 ·
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2

Simple problem, but having a bit of trouble

  • ramin86
  • · Replies 7 ·
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7

Conservation of energy of a truck problem

  • tre2k3
  • · Replies 6 ·
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6

Can somone help me (kinematics problems)

  • Stripe15
  • · Replies 2 ·
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2
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2

How Far Does a Block Travel Up an Incline Before Stopping?

  • pulau_tiga
  • · Replies 2 ·
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2

Can You Tackle This Tricky Definite Integral Challenge?

  • logicalman
  • · Replies 3 ·
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3

A number of n students attend the lecture of probabilities

  • dionys
  • · Replies 2 ·
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2

Head-on Collision: 4.5 kg & 11 kg Objects

  • TraceBusta
  • · Replies 2 ·
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2

Not sure where to start(momentum problem, I think)

  • DLxX
  • · Replies 4 ·
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4

Free Willy 2nd thread but just foudn the school forum :P sry.

  • perpetual-burn
  • · Replies 2 ·
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2

Exploding object (momentum problem)

  • TraceBusta
  • · Replies 2 ·
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2

What Is the Maximum Work a Carnot Engine Can Perform?

  • mlee
  • · Replies 2 ·
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2

What Happens When a Pendulum Hits a Static Object?

  • Dracovich
  • · Replies 1 ·
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1

Collision problem with a spring

  • PinkDaisy
  • · Replies 2 ·
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2

Torque needed to accelerate Earth

  • GingerBread27
  • · Replies 3 ·
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3
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2

Did I Approach the Electrostatic Force Derivative Correctly?

  • a_ng116
  • · Replies 3 ·
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3

What is the Proof for the Bessel Differential Equation Solution?

  • DivGradCurl
  • · Replies 13 ·
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13

Inverse of the natural logarithms

  • Wingman
  • · Replies 6 ·
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6

Help with contractive sequence proof

  • Ed Quanta
  • · Replies 2 ·
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2

Calculating Revolutions and Speed Reduction of a Flywheel

  • mini670
  • · Replies 6 ·
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6

How Does an Ideal Monatomic Gas Cycle Operate?

  • mlee
  • · Replies 1 ·
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1

Calculating Tow Rope Force for Water-Skiing

  • DOMINGO79
  • · Replies 2 ·
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2

Work & Energy of disc on conveyor belt

  • jjiimmyy101
  • · Replies 2 ·
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2

Finding Tangential Acceleration

  • GingerBread27
  • · Replies 2 ·
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2

Get Help with Midterm Calculus Questions from a First Year Student

  • toosm:)ey
  • · Replies 9 ·
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9

Physics Homework Problem: Linear speed and Centripetal Acceleration

  • shawonna23
  • · Replies 2 ·
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2

Physics Hwk.Problem:Rotational Kinematics

  • shawonna23
  • · Replies 2 ·
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2

Understanding the Relationship between Gravity and Radial Acceleration

  • UrbanXrisis
  • · Replies 11 ·
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11

What is the Domain and Range of a Function with Given Constraints?

  • preet
  • · Replies 6 ·
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6

What is the Velocity of the Center of Mass in a Proton-Carbon Collision?

  • envscigrl
  • · Replies 2 ·
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2

Help Solve Physics Problem: Reflection Question

  • physicsismydaddy
  • · Replies 2 ·
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2

Matt's Momentum After Jumping from Skateboard

  • guru
  • · Replies 2 ·
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2

How Do You Find the Transfer Function of an Inductor-Resistor Circuit?

  • GTdan
  • · Replies 2 ·
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2
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2

How Is the Initial Velocity of a Horizontally Kicked Ball Calculated?

  • UrbanXrisis
  • · Replies 7 ·
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7

Calculating Work to Lift Kite String from Ground: A Puzzle

  • sinas
  • · Replies 3 ·
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3

Rubber-band powered toy airplanes

  • who
  • · Replies 3 ·
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3

Calculate Max Speed of Rock Whirled on String: 21 N Tension

  • Naeem
  • · Replies 2 ·
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2

Calculating Position of Summit on a Map

  • polarized
  • · Replies 2 ·
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2

Solving 2D Collision Problems with Mass and Speed

  • joej
  • · Replies 3 ·
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3

Calculating the Angle to Hit a Target: Solving for X

  • UrbanXrisis
  • · Replies 11 ·
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11

What Changes if the Earth was a Cube

  • JimmyRay
  • · Replies 9 ·
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9

Work done by force on moving particle

  • PinkDaisy
  • · Replies 2 ·
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2

Elastic Collision: Who Experiences Larger Accel?

  • justagirl
  • · Replies 4 ·
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4

Need Ideas for a Physical Science or Math Project for Intel ISEF?

  • delton
  • · Replies 4 ·
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4

Multiple mass-spring-damper system

  • Jamesss
  • · Replies 3 ·
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3

Calculating Potential Inside a Uniformly Charged Sphere

  • philipc
  • · Replies 6 ·
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6

Proving f(n) = O(log n) with Induction

  • EvLer
  • · Replies 2 ·
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2

Calculating Jet Aircraft Velocity: Trig Method vs Actual Result Explained

  • ms. confused
  • · Replies 2 ·
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2

Solving a Jet Aircraft Velocity Problem: Understanding and Correcting Mistakes

  • ms. confused
  • · Replies 3 ·
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3

Electric Flow through a Cylinder Without Bases

  • ori
  • · Replies 3 ·
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3

How Does Specific Heat Relate to Force in Stopping a Car?

  • nemzy
  • · Replies 2 ·
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2

[unusual problem]making an illustration on graphing calculator

  • Horror Business
  • · Replies 4 ·
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4

What is the required energy for a projectile to escape Earth?

  • mrdrew
  • · Replies 4 ·
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4

Calculating Impulse and Final Velocity in a Ball Collision Problem

  • pinky2468
  • · Replies 8 ·
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8

Conservation of linear momentum understanding

  • faisal
  • · Replies 3 ·
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3

Calculate Number of Digits in a Number - Formula

  • UrbanXrisis
  • · Replies 10 ·
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10

Finding the Formula: Investigating Rise and Run

  • Padford
  • · Replies 2 ·
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2

Tension with a tension problem?

  • charvonne coates
  • · Replies 4 ·
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4

Calculating Car Speed: Using Skid Marks and Friction Coefficient

  • TriumphDog1
  • · Replies 2 ·
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2

Is the textbook answer for acceleration and distance correct?

  • Afro_Akuma
  • · Replies 2 ·
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2

Calculating Stress for a Metal with Young's Modulus of 1.9*10^11

  • shell
  • · Replies 2 ·
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2

Solving the Challenge: Finding the Angle Between Two Lines

  • Rocko
  • · Replies 6 ·
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6

Calculating Velocity and Impulse of Broken Plate

  • Naeem
  • · Replies 2 ·
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2

Calculating Gravitational Potential Energy of a Child on a Swing

  • nazarip
  • · Replies 4 ·
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4

Max and Min Applied Force for Stationary Block on Inclined Plane

  • thenewbosco
  • · Replies 7 ·
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7

Where Can I Find Free Software for Simple Geometrical Drafting?

  • dekoi
  • · Replies 2 ·
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2