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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.

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What is the acceleration of a simple pendulum at the lowest point of its swing?

Jan 26, 2004 · Replies 13 · Jul 19, 2004

Replies: 13

Views: 3K

Who First Proposed Sun-Like Stars Exist? The Arguments Behind It

Jul 19, 2004 · Replies 3 · Jul 19, 2004

Replies: 3

Views: 3K

Acoustics homework problem help

Jul 12, 2004 · Replies 2 · Jul 19, 2004

Replies: 2

Views: 2K

How Much Additional Force Is Needed to Hold a Water Hose Stationary?

Jul 11, 2004 · Replies 10 · Jul 19, 2004

Replies: 10

Views: 3K

How Fast Does the Ladder Slide Down the Wall?

Jul 18, 2004 · Replies 3 · Jul 19, 2004

Replies: 3

Views: 2K

Is doctorate the highest level at a university?

Jul 3, 2004 · Replies 16 · Jul 19, 2004

Replies: 16

Views: 3K

What Factors Affect the Measurement of Reaction Rates in a Closed System?

Jul 15, 2004 · Replies 7 · Jul 19, 2004

Replies: 7

Views: 3K

Calculate missing mass from given impulse

Jul 12, 2004 · Replies 2 · Jul 18, 2004

Replies: 2

Views: 4K

Puzzler for newbies to electrostatics

Jul 16, 2004 · Replies 13 · Jul 18, 2004

Replies: 13

Views: 3K

Solute Particle Count in KBr, HCl &Na_2CO_3

Jul 18, 2004 · Replies 6 · Jul 18, 2004

Replies: 6

Views: 2K

What Is the Probability of Selecting Two Cards That Sum to 3 from a Stack of 6?

Jul 16, 2004 · Replies 7 · Jul 18, 2004

Replies: 7

Views: 4K

Can one become an ameteur Mathematician or Physisict still?

Jul 10, 2004 · Replies 3 · Jul 18, 2004

Replies: 3

Views: 3K

Another kinematics easy problem

Jul 11, 2004 · Replies 2 · Jul 18, 2004

Replies: 2

Views: 2K

C program; trouble with doubles

Jul 16, 2004 · Replies 15 · Jul 17, 2004

Replies: 15

Views: 3K

How Is Speed Calculated in Elastic Collisions?

Jul 16, 2004 · Replies 5 · Jul 17, 2004

Replies: 5

Views: 2K

No. of disjunctions during meiosis

Jul 10, 2004 · Replies 2 · Jul 17, 2004

Replies: 2

Views: 2K

Find Friction for Cube on Rough Floor

Jul 16, 2004 · Replies 6 · Jul 16, 2004

Replies: 6

Views: 11K

Thermal expansion of diameter of pipe filled with water

Jun 17, 2004 · Replies 8 · Jul 16, 2004

Replies: 8

Views: 16K

Help on optics problems please they are due tonight

Jul 15, 2004 · Replies 8 · Jul 16, 2004

Replies: 8

Views: 3K

Determining Tension in Uniform Steel Cable

Jul 14, 2004 · Replies 10 · Jul 15, 2004

Replies: 10

Views: 13K

Perpetual Motion: Can the Student's Idea Work?

Jul 15, 2004 · Replies 6 · Jul 15, 2004

Replies: 6

Views: 3K

Solving Vector Problems: Displacement and Magnitude Calculations

Jul 8, 2004 · Replies 2 · Jul 15, 2004

Replies: 2

Views: 13K

Physics Forums has helped me with my studies

Jul 8, 2004 · Replies 2 · Jul 15, 2004

Replies: 2

Views: 2K

Einstein's Mass-Energy Relation Explained

Jul 12, 2004 · Replies 3 · Jul 15, 2004

Replies: 3

Views: 3K

Correcting Typos in REA Solution Books to Mechanics

Jul 13, 2004 · Replies 2 · Jul 15, 2004

Replies: 2

Views: 2K

How Do You Solve These Temperature and Heat Problems?

Jul 11, 2004 · Replies 3 · Jul 14, 2004

Replies: 3

Views: 11K

Solving Temperature Problem w/ 30g Ice & 60g Water

Jul 14, 2004 · Replies 2 · Jul 14, 2004

Replies: 2

Views: 2K

Conservation of momentum of plate drop

Jul 13, 2004 · Replies 2 · Jul 14, 2004

Replies: 2

Views: 4K

Solving Rational Number Equation | Express x as Ratio of Integers

Jul 12, 2004 · Replies 3 · Jul 14, 2004

Replies: 3

Views: 6K

How does increasing nuclear force affect nucleon potential energy?

Jul 6, 2004 · Replies 2 · Jul 13, 2004

Replies: 2

Views: 2K

What is the Net Force and Reading on Spring Scale F2?

Jul 12, 2004 · Replies 3 · Jul 13, 2004

Replies: 3

Views: 12K

Help with easy problems that I just can't seem to get right

Jul 12, 2004 · Replies 5 · Jul 13, 2004

Replies: 5

Views: 2K

Help with Electric Field and Flux

Jul 5, 2004 · Replies 2 · Jul 13, 2004

Replies: 2

Views: 18K

Kinetic energy and momentum of two objects

Jul 12, 2004 · Replies 5 · Jul 13, 2004

Replies: 5

Views: 2K

How Do You Calculate Rotation Angles and Motion in Physics Problems?

Jul 6, 2004 · Replies 2 · Jul 13, 2004

Replies: 2

Views: 3K

Totally lost on magnetic flux question

Jul 5, 2004 · Replies 2 · Jul 13, 2004

Replies: 2

Views: 3K

How Should a Constant Force Affect an Acceleration-Time Graph?

Jul 12, 2004 · Replies 3 · Jul 13, 2004

Replies: 3

Views: 25K

Can AM Radio Waves Pass Through Glass Better Than FM?

Jun 22, 2004 · Replies 2 · Jul 13, 2004

Replies: 2

Views: 3K

How Does Throwing an Anchor Overboard Affect a Barge's Buoyancy?

Jul 11, 2004 · Replies 3 · Jul 12, 2004

Replies: 3

Views: 3K

Conservation of a mechanical energy question

Jul 12, 2004 · Replies 2 · Jul 12, 2004

Replies: 2

Views: 2K

Can Modulo Calculations Demonstrate These Number Theory Properties?

Jul 5, 2004 · Replies 2 · Jul 12, 2004

Replies: 2

Views: 2K

How Slow Must the Car Go to Stay Safe on a Wet, Unbanked Curve?

Jul 5, 2004 · Replies 2 · Jul 12, 2004

Replies: 2

Views: 11K

Question on aristotles theory of motion

Jul 11, 2004 · Replies 2 · Jul 12, 2004

Replies: 2

Views: 4K

Where Can I Find Practice Midterms for College Physics?

Jul 11, 2004 · Replies 2 · Jul 12, 2004

Replies: 2

Views: 4K

This Must B Da Most Easiest Phy Prob.

Jul 12, 2004 · Replies 6 · Jul 12, 2004

Replies: 6

Views: 2K

Work and Kinetic Energy and elastic collision

Jul 4, 2004 · Replies 4 · Jul 12, 2004

Replies: 4

Views: 5K

Explosion Question did I do this correctly?

Jul 4, 2004 · Replies 5 · Jul 12, 2004

Replies: 5

Views: 5K

Force and acceleration and graphs

Jul 11, 2004 · Replies 3 · Jul 11, 2004

Replies: 3

Views: 11K

How Do I Draw a Scale Diagram for Two Forces Acting on an Object?

Jul 11, 2004 · Replies 2 · Jul 11, 2004

Replies: 2

Views: 8K

Unsatisfied with Borland C++: Needing Assistance

Jul 11, 2004 · Replies 2 · Jul 11, 2004

Replies: 2

Views: 2K

Solving Pressure & Density Variation w/ Height: Sea Level to Atmosphere Edge

Jul 11, 2004 · Replies 5 · Jul 11, 2004

Replies: 5

Views: 10K

Stuck on 1 problem and part of another problem

Jul 7, 2004 · Replies 7 · Jul 11, 2004

Replies: 7

Views: 3K

Why Should the Boat Head in a Specific Direction to Cross the River Quickly?

Jul 9, 2004 · Replies 5 · Jul 11, 2004

Replies: 5

Views: 3K

Velocity and Acceleration Question

Jul 10, 2004 · Replies 9 · Jul 10, 2004

Replies: 9

Views: 2K

Calculating Distance Using Speed and Time: A Kinematics Problem

Jul 10, 2004 · Replies 2 · Jul 10, 2004

Replies: 2

Views: 3K

Defferentiate this to simplest formy=a+bcosx/b+acosx

Jun 20, 2004 · Replies 15 · Jul 10, 2004

Replies: 15

Views: 6K

Tips & Resources for Aspiring Secondary Math Teachers

Jul 8, 2004 · Replies 3 · Jul 10, 2004

Replies: 3

Views: 2K

How do you finish tests faster?

Jun 26, 2004 · Replies 13 · Jul 9, 2004

Replies: 13

Views: 3K

Calculating Kerosene Tank Height from Leak Rate

Jul 8, 2004 · Replies 6 · Jul 9, 2004

Replies: 6

Views: 2K

Calculate RPM of 100m Diameter Space Habitat for Simulated Gravity

Jul 9, 2004 · Replies 9 · Jul 9, 2004

Replies: 9

Views: 3K

Fish maintaining position in water

Jul 9, 2004 · Replies 3 · Jul 9, 2004

Replies: 3

Views: 7K

Intersecting Planes and Solving Systems of Equations

Jul 8, 2004 · Replies 2 · Jul 9, 2004

Replies: 2

Views: 2K

Particle Equilibrium: Solving for the Minimum Angle in a Roller System

Jul 7, 2004 · Replies 2 · Jul 8, 2004

Replies: 2

Views: 3K

Logic Questions in Physics: Falling Rocks and Horse and Buggy

Jul 8, 2004 · Replies 7 · Jul 8, 2004

Replies: 7

Views: 8K

How does the PE of the activated complex compare to that of the reactants?

Jul 7, 2004 · Replies 5 · Jul 8, 2004

Replies: 5

Views: 3K

Solving Physics Problems: Forces and Acceleration

Jul 8, 2004 · Replies 3 · Jul 8, 2004

Replies: 3

Views: 5K

Solve Lead Sinker Problem: Volume & Weight Calculation

Jul 1, 2004 · Replies 2 · Jul 8, 2004

Replies: 2

Views: 2K

Solve Kinematics Problems: Pentium 1 Computer, Roof Tile, and Speed Trap

Jul 7, 2004 · Replies 4 · Jul 8, 2004

Replies: 4

Views: 2K

Calculating Force Needed to Hold Down a Hydrogen-Filled Balloon

Jul 8, 2004 · Replies 4 · Jul 8, 2004

Replies: 4

Views: 3K

Calculating Average Pressure in Rifle Barrel from Bullet Launch Speed

Jul 8, 2004 · Replies 3 · Jul 8, 2004

Replies: 3

Views: 2K

How to Calculate Charge and Potential Difference in Parallel Capacitors?

Jul 1, 2004 · Replies 2 · Jul 8, 2004

Replies: 2

Views: 2K

Calculate Pressure Difference: Water Flow Through Tubes of Different Radii

Jul 7, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 2K

What Calculations Are Needed to Achieve Equilibrium in These Statics Problems?

Jul 2, 2004 · Replies 3 · Jul 7, 2004

Replies: 3

Views: 7K

Object sliding down inclined plane

Jul 7, 2004 · Replies 3 · Jul 7, 2004

Replies: 3

Views: 2K

Electric Field Question: Finding Zero Point Between Two Charges on Y-Axis

Jul 7, 2004 · Replies 5 · Jul 7, 2004

Replies: 5

Views: 2K

Kinematics Problems: Solve for Time, Height & Deceleration | Physics Help

Jul 7, 2004 · Replies 7 · Jul 7, 2004

Replies: 7

Views: 2K

Electrostatic and gravitational potential energy question

Jun 30, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 3K

How Do Toy Telephones and Stethoscopes Transmit Sound?

Jun 30, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 3K

Really good general college physics book?

Jul 1, 2004 · Replies 9 · Jul 7, 2004

Replies: 9

Views: 3K

What Are Common Mistakes in Calculating Magnetic Forces and Particle Velocities?

Jun 30, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 2K

How Does Acceleration Affect the Frequency of Sound Heard by an Observer?

Jul 2, 2004 · Replies 3 · Jul 7, 2004

Replies: 3

Views: 2K

Help questions on electricity and magnetism

Jul 6, 2004 · Replies 3 · Jul 7, 2004

Replies: 3

Views: 4K

Solving for Distance and Speed in Physics Problems

Jul 6, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 7K

Calculating Potential Energy Change on an Incline - What am I doing wrong?

Jul 6, 2004 · Replies 3 · Jul 7, 2004

Replies: 3

Views: 11K

Question on 1 problem graphical determinations

Jul 6, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 2K

Induced Voltages and Inductance

Jun 27, 2004 · Replies 2 · Jul 7, 2004

Replies: 2

Views: 6K

Potential energy between two objects

Jul 5, 2004 · Replies 5 · Jul 7, 2004

Replies: 5

Views: 6K

Really confused on graphical determinations of speed vs. time data

Jul 5, 2004 · Replies 2 · Jul 6, 2004

Replies: 2

Views: 3K

Saving Energy on Long-Distance Flights: Calculating Mass Impact

Jul 6, 2004 · Replies 2 · Jul 6, 2004

Replies: 2

Views: 2K

What is the Formula for Calculating Angular Deceleration in College Physics?

Jul 6, 2004 · Replies 2 · Jul 6, 2004

Replies: 2

Views: 9K

What Is the Final Temperature in a Copper Calorimeter Experiment?

Apr 21, 2004 · Replies 13 · Jul 6, 2004

Replies: 13

Views: 18K

Completely stable nucleus question

Jul 5, 2004 · Replies 3 · Jul 6, 2004

Replies: 3

Views: 3K

Integration by partial fractions

Jun 28, 2004 · Replies 5 · Jul 6, 2004

Replies: 5

Views: 2K

Quantum mechanics in atoms question

Jul 5, 2004 · Replies 2 · Jul 6, 2004

Replies: 2

Views: 2K

How Does Car Acceleration Work on Inclines and Flat Surfaces?

Jul 5, 2004 · Replies 2 · Jul 6, 2004

Replies: 2

Views: 5K

Hello Guys: Angle of Incidence & Emergent Ray - Compare & Answer Problems

Jul 5, 2004 · Replies 2 · Jul 5, 2004

Replies: 2

Views: 1K

Find the coefficient of kinetic friction between the block

Jun 30, 2004 · Replies 3 · Jul 5, 2004

Replies: 3

Views: 2K

Can Palindromes in Base 7 be Divisible by 8?

Jul 4, 2004 · Replies 6 · Jul 5, 2004

Replies: 6

Views: 2K

Why Does Current Flow Opposite to Electron Movement in a Cathode Ray?

Jun 28, 2004 · Replies 2 · Jul 5, 2004

Replies: 2

Views: 2K

Are Even Perfect Numbers Always Triangular?

Jun 27, 2004 · Replies 2 · Jul 4, 2004

Replies: 2

Views: 3K

Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

By offering explanations, examples, and guidance on physics problems, this service helps students grasp the basic principles of the subject, fostering a solid foundation for more advanced physics studies.

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