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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Young's modulus problem - need a hint
- redshift
- · Replies 2 ·
Determining Force for Toppling 30" Round Table
- kopplaw
- · Replies 2 ·
Sketching Region for |x-y|+|x|-|y| <= 2
- linux666
- · Replies 2 ·
Finding velocity and average velocity for objects thrown from a bridge
- Faiza
- · Replies 2 ·
Calculating the Maximum Radius of the Observable Universe
- kimikims
- · Replies 8 ·
Why Are My Physics Calculations on Force and Acceleration Incorrect?
- buffgilville
- · Replies 5 ·
Car A catching car B with different accelerations
- saiyajin822
- · Replies 6 ·
BB gun projectile motion: finding initial velocity
- anshu
- · Replies 2 ·
Solving y'= 3y + 15: Initial Value Problem
- parwana
- · Replies 4 ·
Calculating Derivative of h(x) using Fundamental Theorem
- tandoorichicken
- · Replies 2 ·
Is there a program for math operations on my keyboard?
- Sweet & Intellectual
- · Replies 3 ·
Proving the Limit of a Complicated Function using Variables and Compositions
- Hygelac
- · Replies 4 ·
Finding acceleration when initial velocity is unknown
- Roughwkw
- · Replies 11 ·
Calculating Potential and Kinetic Energy for Objects in Motion
- phiber
- · Replies 2 ·
Wanted: Equation for Distance Traveled Given Time
- iamhumble
- · Replies 3 ·
Accelerating Atwood's Machine Problem
- NoPhysicsGenius
- · Replies 10 ·
Find the direction and magnitude of the third force
- dg_5021
- · Replies 4 ·
What is the man's upward acceleration in this pulley problem?
- pinky2468
- · Replies 14 ·
Break down simple derivative problem for me
- member 5645
- · Replies 3 ·
Help for my IP [investigatory project]
- nyita
- · Replies 2 ·
Finding track angle from glider acceleration on an airtrack
- physics_challenged
- · Replies 2 ·
How Do You Solve These Blackbody Radiation Problems?
- Nebula
- · Replies 10 ·
Finding the radius and speed of a geostationary satellite with a 24-hour period
- Jack16
- · Replies 2 ·
Why is my graph of f(x)=(1/8)x³ wider than expected?
- 404
- · Replies 5 ·
How Does Newton's Third Law Apply to a Rebounding Nitrogen Molecule?
- jantyme
- · Replies 2 ·
Integrate e^x cos(x)dx, how to do this?
- hytuoc
- · Replies 4 ·
How can I use physics to determine the inclination of a tilted air hockey table?
- Coolbass04
- · Replies 2 ·
Arranging 0, f'(2), f(3) - f(2), and 1/2[f(4) - f(2)] in order
- neik
- · Replies 3 ·
Marble slowing in fluid with acceleration a = -3.00v²
- UrbanXrisis
- · Replies 6 ·
Solving a Physics Question: Truck vs Car at the Lights
- pulau_tiga
- · Replies 4 ·
Position of Ball w/ Initial Velocity 10 m/s After 2.12794 s
- kimikims
- · Replies 2 ·
Solving 10^(x+3)=5e^(7-x) with logarithms
- niteshadw
- · Replies 2 ·
How Do You Calculate the Maximum Height of an Object Thrown Vertically Upward?
- kimikims
- · Replies 5 ·
Solve Kinematics Problem: Ball Thrown Upward in Elevator
- Nenad
- · Replies 2 ·
Calculating Probability for Exponential Distribution in Unplanned Shutdowns
- Changoo
- · Replies 5 ·
How Do You Calculate Lens Distances and Magnification in a Projector Design?
- sharp81
- · Replies 4 ·
Proving (z^(n+1))-1 = (z-exp[2*Pi*i*(j+1)/(n+1)]) for n=1 to n+1
- saint_n
- · Replies 13 ·
What is the maximum height reached by the rocket?
- Lilly
- · Replies 3 ·
What Angle and Velocity Are Needed for a Cannon to Hit a Falling Target?
- dekoi
- · Replies 5 ·
Age of Ax Handle from Dig: Calculating Half-Life of Carbon-14
- Soaring Crane
- · Replies 4 ·
Why gravitational PE loss is twice the spring PE gain
- Parth Dave
- · Replies 6 ·
How Do You Solve Advanced Binomial Expansion Problems?
- saltrock
- · Replies 2 ·
2 solutions to the same problem but which is the correct one?
- stunner5000pt
- · Replies 4 ·
Can Forces Act on an Object Without Doing Work?
- Farside
- · Replies 3 ·
What is the process for finding max, min, and avg temp for a given function?
- ACLerok
- · Replies 11 ·
Three blocks on a fricionless horizontal surface
- physicsss
- · Replies 2 ·
Solving Projectile Problem: Initial Speed 100m/s, Object 5m Away 2m High
- Mazero
- · Replies 2 ·
Integral of e^(-Nx^2)cos(Mx) from 0 to infinity
- Casio
- · Replies 4 ·
Average vs instantaneous speed, velocity vs acceleration, displacement vectors
- bjr_jyd15
- · Replies 5 ·
Does a thrown ball have the same velocity going up and down?
- Maxwell
- · Replies 5 ·
Bird Travels Distance Between Trains
- hytuoc
- · Replies 5 ·
Solving Equations with exponents
- preet
- · Replies 17 ·
How Does Electric Potential Difference Affect Particle Velocity?
- kristi.lynn
- · Replies 7 ·
Addition of Vectors: Finding the Angle
- Haftred
- · Replies 5 ·
Solve Maths Problem: Integral Substitution with Change of Limits
- tyco05
- · Replies 4 ·
Calculating E-field of Uniformly Charged Sphere
- Euclid
- · Replies 1 ·
How Do You Calculate Elevator Cable Forces for Maximum and Minimum Motor Load?
- lmf22
- · Replies 2 ·
Is the Calculated Tension of 223 N Correct for the Clothesline Problem?
- Windwaker2004
- · Replies 27 ·
Sky Diver Physics: Acceleration and Air Resistance Calculation
- lmf22
- · Replies 2 ·
Determining Electric field of Spherical charge distribution
- JasonZ
- · Replies 2 ·
Average Speed on I-10 from San Antonio to Houston
- hytuoc
- · Replies 13 ·
Constant Acc with two particles
- pappaloo
- · Replies 2 ·
Is the Equation X=ut+1/2at^2 Homogeneous with Respect to Units?
- faisal
- · Replies 4 ·
Tension difference in cable-car pull cable at 35° incline
- greenman100
- · Replies 2 ·
Probability that the bus duty teacher is CPR-certified
- Changoo
- · Replies 6 ·
Electric field outside a uniformly charged slab using Gauss's law
- mathrocks
- · Replies 6 ·
Limit and Derivative Problems with Infinity: Can Someone Explain?
- hytuoc
- · Replies 2 ·
Flywheel decelerating from 800 rev/min to rest in 6 seconds
- 2502floyd
- · Replies 4 ·
Translational Equilibruim problem
- dg_5021
- · Replies 3 ·
Solving a Force Problem on a 60° Incline
- GWelch
- · Replies 3 ·
What is the displacement, time, and final velocity of an object in motion?
- Kdawg
- · Replies 17 ·
Flywheel Deceleration: Revolutions, Linear Acceleration, and Time Calculations
- 2502floyd
- · Replies 3 ·
What is the distance the block moves up the incline before coming to rest?
- koomba
- · Replies 2 ·
Max Acceleration for Car w/o Cup Sliding: 2.35 m/s^2
- dg_5021
- · Replies 3 ·
Where do reflected rays go when multiple rays hit the same point?
- kdkdkd
- · Replies 2 ·
Calculating Charge of Oil Drop in Electric Field
- Physicsisfun2005
- · Replies 2 ·
Solve Minimum Separation Distance for Intersecting Cars
- Nothing
- · Replies 2 ·
Integration by parts for ∫x arctan x dx
- Pythagorean
- · Replies 7 ·
Finding charge q when gravitational and electrostatic potential energy balance
- airkapp
- · Replies 4 ·
Freefall problem with object shot up off a building.
- VinnyCee
- · Replies 2 ·
Kinematics: Ball and Flowerpot Above Ground?
- ultimatejester
- · Replies 3 ·
Understanding Matter Waves and Wave-Vector Distribution in Quantum Mechanics
- tyco05
- · Replies 5 ·
Is it possible to have an empty intersection of a set and its subsets?
- tinfoilhat
- · Replies 3 ·
How do you measure the volume of an irregularly shaped floating object?
- airkapp
- · Replies 2 ·
How fast must Romeo throw pebbles to hit Juliet's window with minimum speed?
- SnowOwl18
- · Replies 8 ·
Calculating Mass with a Frictionless Pulley: A Physics Problem
- koomba
- · Replies 2 ·
Finding tension in strings with angled forces
- tibu
- · Replies 6 ·
Finding the third force when an object moves at constant velocity
- dg_5021
- · Replies 2 ·
What was Maggie's acceleration in a 100m race with a dead heat finish?
- Freeze
- · Replies 4 ·
What is the volume of an iron atom?
- hytuoc
- · Replies 4 ·
Average velocity from a graph and equations for each motion phase
- UrbanXrisis
- · Replies 17 ·
Ah, solving a prob with two unknown values
- adrianchan56
- · Replies 2 ·
Electric Potentials: concentric spheres
- vsage
- · Replies 3 ·
Finding force components on an inclined plane
- tibu
- · Replies 3 ·
How much did John receive from a $1,000 loan discounted at 10% for six months?
- wmosley
- · Replies 2 ·
Limit of (1/√x - 1/2)/(x - 4) as x approaches 4
- RadiationX
- · Replies 2 ·
Block sliding down an inclined plane at 25.5°
- lmf22
- · Replies 5 ·
Solve for Apparent Weight: Newton's Second Law in Elevator Scenarios"
- shawonna23
- · Replies 4 ·
Solve Freefall Problem: Find Water's Depth in Well
- Freeze
- · Replies 5 ·
Physics problem (olypmic long jumper)
- lmf22
- · Replies 2 ·