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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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Is there a way to simplify trig functions using specific formulae?

Jul 31, 2003 · Replies 12 · Jul 31, 2003

Replies: 12

Views: 7K

Question about the Stern-Gerlach Expirement

Jul 29, 2003 · Replies 3 · Jul 29, 2003

Replies: 3

Views: 2K

Get Feedback on Your Non-Science Homework - Ask Here!

Jul 28, 2003 · Replies 2 · Jul 28, 2003

Replies: 2

Views: 2K

Time Needed for a Lake to Freeze Over

Jul 21, 2003 · Replies 9 · Jul 28, 2003

Replies: 9

Views: 7K

Calculating Position and Average Velocity of a Plane with Relative Motion

Jul 20, 2003 · Replies 2 · Jul 28, 2003

Replies: 2

Views: 2K

How Do You Calculate the Mass of an Ion in a Magnetic Field?

Jul 26, 2003 · Replies 2 · Jul 26, 2003

Replies: 2

Views: 11K

How long does it take to boil away 0.4L water from a copper pot?

Jul 24, 2003 · Replies 4 · Jul 26, 2003

Replies: 4

Views: 14K

Solving cot pi/4 and sec 5*pi/4

Jul 25, 2003 · Replies 4 · Jul 26, 2003

Replies: 4

Views: 3K

How Does the Doppler Effect Apply to Ultrasound Fetal Heart Monitoring?

Jul 22, 2003 · Replies 15 · Jul 25, 2003

Replies: 15

Views: 8K

Projectiles r = (22sin(x) x 11cos(x))/9.8

Jul 18, 2003 · Replies 2 · Jul 25, 2003

Replies: 2

Views: 2K

Calculating Work and Power in Uniformly Accelerated Motion

Jul 24, 2003 · Replies 4 · Jul 25, 2003

Replies: 4

Views: 8K

How to Solve Momentum and Collision Problems

Jul 22, 2003 · Replies 12 · Jul 24, 2003

Replies: 12

Views: 3K

Why is it important to spread your legs while standing on a bumpy bus?

Jul 17, 2003 · Replies 2 · Jul 24, 2003

Replies: 2

Views: 4K

Calculating Light Speed and Time Dilation to Relativity

Jul 21, 2003 · Replies 8 · Jul 22, 2003

Replies: 8

Views: 7K

What Is the Shortcut for Solving Ohm's Law Problems Using P=IE?

Jul 21, 2003 · Replies 6 · Jul 22, 2003

Replies: 6

Views: 8K

What frequency is monitored by the leading ship?

Jul 22, 2003 · Replies 3 · Jul 22, 2003

Replies: 3

Views: 4K

Quantized angular momentum of diatomic gas molecule: Bohr Model

Jul 15, 2003 · Replies 2 · Jul 22, 2003

Replies: 2

Views: 7K

Need Help With this Physics Problem (Please)

Jul 21, 2003 · Replies 2 · Jul 21, 2003

Replies: 2

Views: 4K

A charged particle moves across a constant magnetic field

Jul 14, 2003 · Replies 2 · Jul 21, 2003

Replies: 2

Views: 4K

What is the radius of a circle represented by the equation |z - z1|=k|z - z2|?

Jul 18, 2003 · Replies 5 · Jul 20, 2003

Replies: 5

Views: 11K

Wavelength nature of light: magnesium Fluoride

Jul 19, 2003 · Replies 4 · Jul 20, 2003

Replies: 4

Views: 8K

Objects and stationary observers

Jul 13, 2003 · Replies 2 · Jul 19, 2003

Replies: 2

Views: 3K

Calculating Magnetic Torque: Circular Wire Loop in a Uniform Field

Jul 17, 2003 · Replies 4 · Jul 19, 2003

Replies: 4

Views: 7K

Calculating Planetary Acceleration in the Solar System | Venus, Mercury Data

Jul 18, 2003 · Replies 5 · Jul 19, 2003

Replies: 5

Views: 3K

Magnetism:magnetitude of mag field

Jul 17, 2003 · Replies 3 · Jul 18, 2003

Replies: 3

Views: 3K

Radioactive Decay: Calculating Age of Archaeological Sample

Jul 17, 2003 · Replies 4 · Jul 18, 2003

Replies: 4

Views: 3K

Distinct powers of z=cosa*pi+isina*pi

Jul 17, 2003 · Replies 3 · Jul 18, 2003

Replies: 3

Views: 3K

Solve Inequalities: Find p Values for p(x^2+x) < 2x^2 + 6x +1

Jul 15, 2003 · Replies 15 · Jul 17, 2003

Replies: 15

Views: 3K

Do objects of different mass fall at the same rate?

Jul 17, 2003 · Replies 2 · Jul 17, 2003

Replies: 2

Views: 2K

Pair Production and kinetic energy

Jul 16, 2003 · Replies 13 · Jul 16, 2003

Replies: 13

Views: 8K

Physics 101 lab help should be easy

Jul 14, 2003 · Replies 3 · Jul 15, 2003

Replies: 3

Views: 5K

Wave function of a particle in a infinite well.

Jul 15, 2003 · Replies 6 · Jul 15, 2003

Replies: 6

Views: 5K

What is the solution for the honeycomb resistor problem?

Jul 11, 2003 · Replies 10 · Jul 15, 2003

Replies: 10

Views: 5K

Solving DC Circuit Problems: Determining Current in 8[Ω] and 4[Ω] Resistors

Jul 8, 2003 · Replies 13 · Jul 15, 2003

Replies: 13

Views: 5K

Find All Real Solutions (problem)

Jul 14, 2003 · Replies 3 · Jul 15, 2003

Replies: 3

Views: 9K

Quantum Physics: Probability density

Jul 14, 2003 · Replies 13 · Jul 14, 2003

Replies: 13

Views: 5K

Electric charge and fields: uniform electric field

Jul 7, 2003 · Replies 2 · Jul 14, 2003

Replies: 2

Views: 8K

Quantum Physics: electron within the nucleus.

Jul 14, 2003 · Replies 3 · Jul 14, 2003

Replies: 3

Views: 4K

The Science Behind Why the Sky is Blue - Debunking Common Misconceptions

Jul 13, 2003 · Replies 3 · Jul 14, 2003

Replies: 3

Views: 3K

What happens to the kinetic energy of a speedy proton

Jul 13, 2003 · Replies 3 · Jul 14, 2003

Replies: 3

Views: 5K

Calculate the ratio of the radii of the orbits

Jul 12, 2003 · Replies 6 · Jul 14, 2003

Replies: 6

Views: 15K

Calculating Time for a Transverse Wave in a Suspended Rope with Mass and Length

Jul 7, 2003 · Replies 2 · Jul 14, 2003

Replies: 2

Views: 2K

Simple problem for anyone who knows what he is doing

Jul 11, 2003 · Replies 4 · Jul 11, 2003

Replies: 4

Views: 6K

Electric field and coffee maker

Jul 8, 2003 · Replies 9 · Jul 10, 2003

Replies: 9

Views: 5K

Need help answering problems related to Buoyance/Buoyance Force

Jul 10, 2003 · Replies 3 · Jul 10, 2003

Replies: 3

Views: 4K

Finding Relative Extrema of x^2y^2 with Constraint 4x^2+y^2=8

Jul 3, 2003 · Replies 4 · Jul 9, 2003

Replies: 4

Views: 4K

What is the change in kinetic energy of the proton?

Jul 7, 2003 · Replies 2 · Jul 7, 2003

Replies: 2

Views: 5K

How Do Electric Charge and Fields Influence Forces and Charges?

Jul 7, 2003 · Replies 7 · Jul 7, 2003

Replies: 7

Views: 6K

How Do Temperature Changes Affect Physical Properties in Basic Physics Problems?

Jun 30, 2003 · Replies 2 · Jul 7, 2003

Replies: 2

Views: 4K

Determine the kinetic energy of the emerging neutrons

Jul 7, 2003 · Replies 4 · Jul 7, 2003

Replies: 4

Views: 5K

Solve Logarithmic Equation: log(x-1) = log(x-2) - log(x+2)

Jul 2, 2003 · Replies 7 · Jul 6, 2003

Replies: 7

Views: 3K

What Frequency Do You Hear from a Speeding Train's Whistle?

Jun 28, 2003 · Replies 2 · Jul 5, 2003

Replies: 2

Views: 6K

I'm not asking for answers, just ideas for my science hw

Jun 30, 2003 · Replies 3 · Jul 4, 2003

Replies: 3

Views: 3K

How Does a Reverse Galilean Telescope Minify Images?

Jun 26, 2003 · Replies 2 · Jul 4, 2003

Replies: 2

Views: 7K

Integrate 1/(1+e^x) - Is it Correct?

Jul 1, 2003 · Replies 12 · Jul 4, 2003

Replies: 12

Views: 16K

Revolutions per minute would a 15m diameter Ferris wheel

Jul 3, 2003 · Replies 3 · Jul 4, 2003

Replies: 3

Views: 8K

What Are the Key Questions About the Science of Color?

Jul 2, 2003 · Replies 4 · Jul 3, 2003

Replies: 4

Views: 4K

What is the Spring Constant for Question 9?

Jul 1, 2003 · Replies 3 · Jul 3, 2003

Replies: 3

Views: 3K

Is There an Exponential Decay in Water Levels in a Barrel?

Jun 24, 2003 · Replies 2 · Jul 1, 2003

Replies: 2

Views: 3K

Solving Heat Problems: Quenching a Hot Knife Blade

Jun 30, 2003 · Replies 2 · Jul 1, 2003

Replies: 2

Views: 8K

WANTED: Formula for frictional resistance

Jun 29, 2003 · Replies 2 · Jun 30, 2003

Replies: 2

Views: 8K

How Does Mixing Water at Different Temperatures Affect the Final Temperature?

Jun 28, 2003 · Replies 7 · Jun 30, 2003

Replies: 7

Views: 11K

Equilibrium Problem: Solving for Unknown Masses in a Mobile

Jun 29, 2003 · Replies 2 · Jun 30, 2003

Replies: 2

Views: 2K

How Much Steam Is Needed to Heat Water and Melt Ice in a Calorimetry Experiment?

Jun 29, 2003 · Replies 2 · Jun 30, 2003

Replies: 2

Views: 9K

How Do the Laws of Thermodynamics Challenge Our Understanding of the Universe?

Jun 29, 2003 · Replies 11 · Jun 30, 2003

Replies: 11

Views: 3K

Solving Physics Questions: Minimum Force and Friction Coefficient

Jun 22, 2003 · Replies 2 · Jun 29, 2003

Replies: 2

Views: 4K

Calculating the Time and Height of Falling Stones: A Kinematics Problem

Jun 26, 2003 · Replies 10 · Jun 29, 2003

Replies: 10

Views: 7K

Relating linear and angular kinematics

Jun 22, 2003 · Replies 2 · Jun 29, 2003

Replies: 2

Views: 16K

What are these 3 physics problems and can you solve them?

Jun 25, 2003 · Replies 10 · Jun 28, 2003

Replies: 10

Views: 6K

The Efficiency of Heat Engines: Calculating Work Output from 150J Heat Input

Jun 28, 2003 · Replies 5 · Jun 28, 2003

Replies: 5

Views: 7K

What Are the Correct Answers to These Ideal Gas Law Problems?

Jun 28, 2003 · Replies 2 · Jun 28, 2003

Replies: 2

Views: 6K

Calculating Atomic Mass: Solving for Pi Meson's Mass in AMU

Jun 26, 2003 · Replies 3 · Jun 27, 2003

Replies: 3

Views: 7K

How Does an Unstable Particle Breakup Affect the Speed of Its Fragments?

Jun 25, 2003 · Replies 6 · Jun 27, 2003

Replies: 6

Views: 8K

Prove Limit of Sequence: a, b, (an+b)1/n-1 = 0

Jun 26, 2003 · Replies 5 · Jun 27, 2003

Replies: 5

Views: 3K

Calculate its longest and shortest diameters when its moving

Jun 19, 2003 · Replies 2 · Jun 26, 2003

Replies: 2

Views: 2K

Calculating Deceleration in a Safety Net Jump

Jun 26, 2003 · Replies 4 · Jun 26, 2003

Replies: 4

Views: 7K

Discovering Hose Physics: Calculating Water Speed from Nozzle Adjustment

Jun 25, 2003 · Replies 16 · Jun 26, 2003

Replies: 16

Views: 19K

Wave Help: Solving Standing Wave and Interference Problems

Jun 23, 2003 · Replies 5 · Jun 25, 2003

Replies: 5

Views: 2K

Electric field conductor problem

Jun 21, 2003 · Replies 2 · Jun 25, 2003

Replies: 2

Views: 2K

The Starship Enterprise (variable acceleration problem) part II

Jun 24, 2003 · Replies 2 · Jun 24, 2003

Replies: 2

Views: 3K

Calculating Spectrum Width with Diffraction Grating: Helpful Guide

Jun 15, 2003 · Replies 2 · Jun 24, 2003

Replies: 2

Views: 2K

I used Sin instead of Cos for a triangle.

Jun 23, 2003 · Replies 4 · Jun 24, 2003

Replies: 4

Views: 3K

The Starship Enterprise (variable acceleration problem)

Jun 23, 2003 · Replies 6 · Jun 23, 2003

Replies: 6

Views: 4K

How Does Relativity Affect the Length and Orientation of a Moving Rod?

Jun 23, 2003 · Replies 5 · Jun 23, 2003

Replies: 5

Views: 10K

Balloons in a Car: The Science Behind Why They Move Forward When You Take Off

Jun 22, 2003 · Replies 5 · Jun 23, 2003

Replies: 5

Views: 5K

Solving a Dynamics Problem: Angle & Tension Calculations

Jun 22, 2003 · Replies 3 · Jun 23, 2003

Replies: 3

Views: 19K

Can Chladni Figures Be Formed on Oscillating Plates?

Jun 20, 2003 · Replies 2 · Jun 23, 2003

Replies: 2

Views: 3K

Finding Distance in Plan 1,2,3 & 4: Minimizing Cost

Jun 14, 2003 · Replies 2 · Jun 22, 2003

Replies: 2

Views: 3K

How do you calculate the effects of crosswinds on a plane's velocity?

Jun 21, 2003 · Replies 2 · Jun 22, 2003

Replies: 2

Views: 10K

Problem:help my bus is on a cliff

Jun 20, 2003 · Replies 4 · Jun 21, 2003

Replies: 4

Views: 3K

Thorny Newtonian motion of a spaceship

Jun 14, 2003 · Replies 1 · Jun 21, 2003

Replies: 1

Views: 3K

Where Does the Pi Come From in Variable Acceleration Problem?

Jun 19, 2003 · Replies 11 · Jun 19, 2003

Replies: 11

Views: 5K

Calculate the energy and wavelength of the photon

Jun 19, 2003 · Replies 4 · Jun 19, 2003

Replies: 4

Views: 3K

How Do You Simplify (i-3)^4 to a+bi Form?

Jun 18, 2003 · Replies 3 · Jun 19, 2003

Replies: 3

Views: 3K

What is the Angle of the Man's Path Relative to the Water on a Moving Ship?

Jun 16, 2003 · Replies 3 · Jun 19, 2003

Replies: 3

Views: 7K

How Can Parabolic Shooting Be Optimized for Minimum Travel Time in a Game?

Jun 17, 2003 · Replies 5 · Jun 17, 2003

Replies: 5

Views: 4K

Pipeline Path and Town Radius: Do I Need to Reroute? | Explanation Included

Jun 15, 2003 · Replies 2 · Jun 16, 2003

Replies: 2

Views: 3K

Understanding Acceleration: What Direction Does it Really Have?

Jun 15, 2003 · Replies 8 · Jun 15, 2003

Replies: 8

Views: 8K

Physics Confusion: The Ball's Trajectory in an Upward Throw Explained

Jun 14, 2003 · Replies 4 · Jun 15, 2003

Replies: 4

Views: 5K

Calculating Heat Loss and Temperature Change in a Heated Object

Jun 14, 2003 · Replies 4 · Jun 15, 2003

Replies: 4

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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