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 velocity of mass2 after dropping 3cm in a tension/friction problem?
- hadoken22
- · Replies 2 ·
Difficulty of calculus-based physics up to waves
- NanoTech
- · Replies 2 ·
Potential difference and ohms law
- nautica
- · Replies 6 ·
Setting up three kinematics problems with balls, objects and particles
- Pepsi24chevy
- · Replies 8 ·
What Happens to the Force Between Two Touching Charged Spheres When Separated?
- TheMadCapBeta
- · Replies 2 ·
What is the required tension in a high wire for a 50 kg person to safely cross?
- magystical
- · Replies 2 ·
Find Work Done by Engine in One Propeller Rev - 171 hp, 2310 RPM, 527.612 N*m
- ACLerok
- · Replies 3 ·
What Is the Correct Electric Field Calculation for a Point Charge?
- nautica
- · Replies 3 ·
Parallel Resistance for Two Identical Headlights with 6V Battery
- nautica
- · Replies 2 ·
Bungee jump from a bridge, how to find h
- jperez94
- · Replies 2 ·
How Does the Relativistic Doppler Shift Equation Simplify for Low Velocities?
- gnome
- · Replies 2 ·
Finding a and b to make a piecewise function continuous
- ACLerok
- · Replies 3 ·
What are the Moments and Forces in These Statics Problems?
- formulajoe
- · Replies 3 ·
Time to fill a pool with a 5/8 inch diameter hose
- mindhater
- · Replies 2 ·
Solving Easy Work Problem: 10N x 3.5m and 805 N x 22m
- diciccod
- · Replies 2 ·
Waves Investigation [Using water]
- Acidvoodoo
- · Replies 2 ·
How to interpret this projectile motion problem
- mcintyre_ie
- · Replies 2 ·
Change in momentum and force magnitude for a car accelerating over 66 seconds
- badboyben03
- · Replies 2 ·
What Is the Correct Calculation of Stress in Welded Cylindrical Rods AB and BC?
- freespirit
- · Replies 5 ·
Rotational kinematics and grinding wheel
- ACLerok
- · Replies 2 ·
Find Initial Velocity of 5.5g Bullet Impacting 22.6g Block
- melal
- · Replies 2 ·
Differentiating electromagnetic field
- jlmac2001
- · Replies 4 ·
Blood pressure difference in constricted artery and oil flow rate
- moonlit
- · Replies 6 ·
Free Fall Problems: Solving for Speed Without Calculus - Formula Included
- holly
- · Replies 2 ·
Elastic head-on collision physics
- Eminem04
- · Replies 4 ·
Electric current, capacitance, and field problems homework
- nautica
- · Replies 5 ·
Speed and direction of bubble layer center of mass
- DivGradCurl
- · Replies 2 ·
Non-free-fall Acceleration Problem
- holly
- · Replies 3 ·
How to Integrate by Parts Twice for e^3x cos(x)?
- Klion
- · Replies 4 ·
Centroid of a shape with a half circle hole
- cathliccat
- · Replies 3 ·
Integral of Natural Log Part II
- wubie
- · Replies 4 ·
Help with solving 6x - x² = x and factoring 2x⁴ - 32
- physicszman
- · Replies 3 ·
Hyperfine and fine structure ENERGIES
- student1938
- · Replies 2 ·
Average force from a shot put throw
- Unknown
- · Replies 2 ·
Integrating Natural Logarithmic Functions
- wubie
- · Replies 3 ·
Ball rolling down ramp off a table
- KingNothing
- · Replies 2 ·
Solving for Initial Speed of a 5.5g Bullet Impacting Wood Block
- CoolBlueR
- · Replies 2 ·
What constant force does the punter exert on the ball?
- pinkbubbles04
- · Replies 2 ·
Dropped Rock Kinetic Energy Problem
- NIT14
- · Replies 5 ·
Searching for female physicists
- kl2d1726
- · Replies 5 ·
Car moving in circle with acceleration at 46 degrees to velocity
- Xamfy19
- · Replies 4 ·
How to draw force diagrams for a physics test
- dgessler
- · Replies 2 ·
Two-section tube flow rate using Poiseuille's law
- rddimtbo
- · Replies 1 ·
Finding where the electric field is zero between opposite charges on the x-axis
- mrbling
- · Replies 7 ·
Why alkanes are said to be saturated
- recon
- · Replies 2 ·
Problem with composite functions
- krusty the clown
- · Replies 5 ·
Rotating coordinates on a plane without graphing
- Dagenais
- · Replies 2 ·
Need Help? Solve 2 Physics Problems
- spudnick
- · Replies 3 ·
Equilvalent Resistance Problems
- mustang
- · Replies 4 ·
Calculating Electric Field in a Line of Charge Problem
- Andrew.
- · Replies 4 ·
Finding <x> for a superposition of harmonic oscillator eigenstates
- spdf13
- · Replies 2 ·
What is the maximum altitude reached?
- Themachine8
- · Replies 3 ·
Calculate the normal force and the tension in the string
- hadoken22
- · Replies 3 ·
Irrotational and divergenceless?
- jlmac2001
- · Replies 2 ·
Two resistors in series and parallel, find resistance of A
- mustang
- · Replies 2 ·
How Does Electric Field Strength Change with Distance from a Point Charge?
- pringless
- · Replies 2 ·
How Is the Potential Energy of a Skydiver-Earth System Reducing?
- Crashdowngurl
- · Replies 3 ·
How Does Physics Enhance Car Performance and Safety Features?
- Kensai
- · Replies 3 ·
Calculating Internal Resistance of a Voltage Source from Terminal Voltage Drop
- nautica
- · Replies 5 ·
How do I calibrate a thermistor for measuring the melting point of a chemical?
- richMMIV
- · Replies 1 ·
Calculating Force to Pull Copper Ball Upward
- anneseanandy
- · Replies 3 ·
Newtonian mechanics on a particle
- jlmac2001
- · Replies 2 ·
SecondOrder Nonhomogenous Linear Differential Equations
- wubie
- · Replies 1 ·
How can I determine the speed of a bullet fired into a block of wood?
- Crashdowngurl
- · Replies 3 ·
Laplacian of sqrt(x² - y²) and ln(r²)
- jlmac2001
- · Replies 4 ·
Verifying the Conservativity of F and Finding Scalar Potential for F=-gradV"
- jlmac2001
- · Replies 2 ·
Entropy rate in cylindrical rod with thermal reservoirs
- Skyblitz
- · Replies 2 ·
Powering 4 Blue LED's in Parallel: Dropping Voltage to 3.5V
- Cummings
- · Replies 5 ·
EMF induced in rectangular loop moving past infinite current wire
- infinitelylong
- · Replies 2 ·
What is the Formula for Converting Rotational Speed to Linear Speed?
- celect
- · Replies 3 ·
Electric potential in regions of concentric thin, conducing, spherical shells
- yanyin
- · Replies 3 ·
Finding the y-intercept of y=3x^2-16x-12
- Echo 6 Sierra
- · Replies 6 ·
What are vectors and how are they used in physics?
- Maxwell
- · Replies 3 ·
Photoelectric Effect: Max Current, Cutoff Potential, Kinetic Energy
- marshall4
- · Replies 2 ·
Finding acceleration of a 12.5 kg crate on a 22-degree ramp
- paigegail
- · Replies 2 ·
Force of Object on Inclined Place
- paigegail
- · Replies 2 ·
Series and parallel resistor circuits with 3 problems
- mustang
- · Replies 2 ·
Finding unknown resistance and current in series and parallel circuits
- mustang
- · Replies 2 ·
Simple Quantum Mechanics Problem
- student1938
- · Replies 13 ·
What is Young's Modulus and How Does it Differ Between Materials?
- Magg$
- · Replies 20 ·
Atmospheric pressure, buoyancy, and fluid dynamics problems
- Krivanka
- · Replies 2 ·
How Fast Does a Girl Enter the Water When Diving from a 15m Platform?
- meawinner
- · Replies 2 ·
At what time will the particle be traveling at 32 degrees
- Xamfy19
- · Replies 7 ·
Why does cos theta = dot product divided by magnitudes?
- formulajoe
- · Replies 3 ·
Calculating Receiver's Path and Speed to Catch Thrown Ball
- neochris
- · Replies 3 ·
Calculating Initial Velocity for a Basketball Player's Leap
- pepperoni
- · Replies 4 ·
How did they calculate the speed of light?
- crystal cascade
- · Replies 4 ·
What does magnitude of the force mean?
- HandcuffedKitty
- · Replies 3 ·
Electromagnetic induction and transformer formula help
- tzvu
- · Replies 5 ·
Clueless about electric charges questions;
- Matt Jacques
- · Replies 2 ·
How Do You Calculate Acceleration in Different Scenarios?
- adversary
- · Replies 2 ·
Theres something about gravitational
- ACLerok
- · Replies 2 ·
How Do You Calculate Electric Fields of Spherical Charges Using Gauss's Law?
- eku_girl83
- · Replies 3 ·
Circular motion problem with 0.4 kg mass
- DR33
- · Replies 2 ·
Calculating Work and Kinetic Energy of Jet-Powered Train
- DarkAnt
- · Replies 2 ·
Calculating Tension of Steel Wire at Different Temperatures
- HWManiac
- · Replies 3 ·
How can I solve the problem of circular movement with a 0.4 Kg object?
- DR33
- · Replies 2 ·
Why Is Charge Measured in Nanofarads Instead of Coulombs?
- AngelofMusic
- · Replies 2 ·
Finding the unknown metal in a calorimeter with copper and water
- PrudensOptimus
- · Replies 1 ·