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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Two People, One Fly: How Far Will It Fly?
- TSN79
- · Replies 2 ·
Need to show function {f(x)= x + cos x} has an inverse w/out the use of a graph
- mmlm01
- · Replies 18 ·
What is the width of the Hudson River?
- yoyomaboy
- · Replies 8 ·
Evaluate the integral over the bounded closed region
- stunner5000pt
- · Replies 16 ·
Calculating Center of Mass Velocity for Moving Blocks: m1=m2, p1, p2
- ProBasket
- · Replies 2 ·
How Do You Calculate the Speed of Two Masses Attracting in Space?
- arydze2
- · Replies 4 ·
Solving Iterated Integrals with x, y Boundaries
- stunner5000pt
- · Replies 5 ·
Simple harmonic motion object problem
- jaymode
- · Replies 2 ·
Number of Workers Needed to Hold 2600kg Stone Block at Rest
- TyFelmingham
- · Replies 3 ·
Mass of singly charged uranium-238
- neik
- · Replies 2 ·
How Do You Calculate the Damping Constant for a Spring-Mass System?
- jaymode
- · Replies 5 ·
Help with collision problem
- naren11
- · Replies 4 ·
Combination of Linear and Angular momentum
- ness9660
- · Replies 2 ·
Tension in rope connecting two pulled carts
- Byrne
- · Replies 3 ·
Chemistry investigatory project
- kaushik123456789
- · Replies 2 ·
What Are the Displacement Vectors of Chess Pieces in Physics?
- brokenangel1787
- · Replies 2 ·
How Did Fuji's APS System Impact the Point and Shoot Camera Market?
- mouse
- · Replies 2 ·
Maximize Profit: Solve Revenue Problem for G-Food Catering
- joejo
- · Replies 4 ·
How Do Currents in Perpendicular Wires Affect Magnetic Field Calculation?
- Ethers0n
- · Replies 8 ·
Determine the half lives of two radioisotopes
- robbo157
- · Replies 1 ·
Pendulum issues - find acceleration and restoring force
- UrbanXrisis
- · Replies 3 ·
Gas Concentration: ppm by Volume vs mg/L
- gunnar
- · Replies 2 ·
How Do You Calculate Speed Down an Incline Correctly?
- the_d
- · Replies 25 ·
Fluid Mechanics of water and oil
- Jayhawk1
- · Replies 2 ·
Solving the Wave Equation Using Separation of Variables
- pt176900
- · Replies 3 ·
What is the solution to this pulley problem using work and velocity equations?
- VSCCEGR
- · Replies 16 ·
Simple harmonic motion glider problem
- adrian783
- · Replies 10 ·
Maximum dimensions-very interesting
- joejo
- · Replies 2 ·
Comparing hydrogen and chlorine gas properties and counting atoms
- decibel
- · Replies 5 ·
What Is the Box's Speed at t = 0.6?
- the_d
- · Replies 2 ·
Find Bounds for Area of Region: r^2 = 128cos(2\theta)
- ILoveBaseball
- · Replies 3 ·
Is my calculus answer correct?
- joejo
- · Replies 9 ·
Two ants racing across a table and displacement on a highway
- heatherly1004
- · Replies 9 ·
Bike Wheel Angular momentum problem
- Punchlinegirl
- · Replies 8 ·
Find the area of the region bounded
- ILoveBaseball
- · Replies 6 ·
Parallel lamps, water heating time, and motor circuit voltage
- scorpa
- · Replies 8 ·
Local maximum and global maximum.
- joejo
- · Replies 3 ·
Error in acceleration from a=2d/t²?
- flower76
- · Replies 5 ·
Voltage Drops In Series Circuits
- scorpa
- · Replies 14 ·
Calculating Angular Acceleration for a Pully Problem with a Solid Cylinder
- ninjagowoowoo
- · Replies 3 ·
Calculating Work for Orbital Transfer of a Satellite
- seiferseph
- · Replies 9 ·
Heat to condense 1.0 L of nitrogen gas to liquid nitrogen
- lollipop
- · Replies 2 ·
How Far Does the Block Travel After a Bullet Collision?
- evan4888
- · Replies 3 ·
Find k to make a piecewise function continuous at x=0
- huan.conchito
- · Replies 18 ·
How Much Energy Is Produced by the Reaction of H and F?
- anias
- · Replies 2 ·
Work and energy homework: projectile, hockey puck, vector force
- tony873004
- · Replies 6 ·
Confusion on a subtraction problem
- sportsguy3675
- · Replies 2 ·
Finding sin and cos from coordinates (-1, 1)
- Lucretius
- · Replies 6 ·
Semi-ellipse canal: find equation and depth 2 m from edge
- seiferseph
- · Replies 6 ·
Lab Report: Centripetal Force - Should I Round or Extend?
- melchisio
- · Replies 2 ·
Finding the linear approximation formula for a graph
- UrbanXrisis
- · Replies 6 ·
Inelastic collision of equal masses and velocities
- Fanman22
- · Replies 8 ·
Converting Revolutions to Radians Per Second
- hotmail590
- · Replies 3 ·
Schrodinger using a Hermite Polynomial
- QuantumMech
- · Replies 6 ·
Evaluating the rate of increase of charge at x=2 yields a value of 16.
- robert25pl
- · Replies 11 ·
How Much Charge Is on an Isolated Spherical Conductor?
- XxXDanTheManXxX
- · Replies 10 ·
Why does my buoyancy calculation for a submerged sphere give the wrong answer?
- Adam Y.
- · Replies 6 ·
Finding internal resistance of a zinc carbon cell with varying current
- StaceyParker
- · Replies 3 ·
Drag calculation and measurement
- gschjetne
- · Replies 1 ·
What will be the relativistic change in momentum?
- gulsen
- · Replies 6 ·
Why is the path difference answer 6.04 cm instead of 3.02 cm?
- apchemstudent
- · Replies 2 ·
Show that 1/x² + 1/xy + 1/y² = 1 has no positive integer solutions
- recon
- · Replies 7 ·
Newtonian Mechanics - Banked curves
- SeReNiTy
- · Replies 2 ·
Calculating Speed After Collision in Railroad Freight Yard
- evan4888
- · Replies 2 ·
How Much Power Does a 35% Efficient 80m Wind Turbine Generate at 30kph?
- russde
- · Replies 2 ·
Air Pressure Equation for DIY Pressure Sensor
- scabsareus
- · Replies 4 ·
Transfer Characteristic of a diode
- shaiqbashir
- · Replies 2 ·
Electron accelerating between charged plates
- XxXDanTheManXxX
- · Replies 3 ·
Speed of record edge rotating at 33.3 r/min and 78 r/min
- laker_gurl3
- · Replies 6 ·
Electric Field and Energy of Parallel Plate Capacitor
- XxXDanTheManXxX
- · Replies 5 ·
Calculating Equilibrium Concentrations of H+ and HSO3 in SO2-Rainwater Reaction
- gunnar
- · Replies 5 ·
Cooling 286 kg steel from 452°C to 100°C with water
- Yomna
- · Replies 8 ·
Anti-reflective coating with zero reflectivity at 532nm
- stunner5000pt
- · Replies 6 ·
How can you effectively approach writing a proof?
- MiniTank
- · Replies 2 ·
Evaluate the following limit without using L'Hospital's rule?
- Benny
- · Replies 3 ·
Angular speed when student pulls weights inward on rotating stool
- coey
- · Replies 2 ·
Prove the derivative of sec²x is 2sec³x·sinx
- gordda
- · Replies 6 ·
Integer solutions to a^3 = 5b^3
- recon
- · Replies 2 ·
Optics - near sighted or far sighted
- triplezero24
- · Replies 2 ·
Calculating Charges and Separation in an Electrostatic Force Problem
- XxXDanTheManXxX
- · Replies 2 ·
Find the Minimum Height Needed to Complete a Loop-the-Loop Track
- Punchlinegirl
- · Replies 7 ·
Why use 4πx² Δx for volume instead of (4/3)πr³
- UrbanXrisis
- · Replies 7 ·
Circular motion of a satellitte
- laker_gurl3
- · Replies 6 ·
Physics - Circular motion question me
- laker_gurl3
- · Replies 3 ·
How Does Distance Affect EM Wave Energy and Field Magnitude?
- leolaw
- · Replies 2 ·
How does reducing speed by 1/3 affect the current?
- Winner
- · Replies 13 ·
How Does Angular Speed Change When Skaters Connect by a Pole?
- Punchlinegirl
- · Replies 3 ·
How Much Power Is Needed to Stop a Rotating Wheel?
- BJN153
- · Replies 2 ·
Why does total energy increase when orbital speed decreases?
- apchemstudent
- · Replies 2 ·
How can I set proper limits for a double integral?
- mkkrnfoo85
- · Replies 2 ·
NFA with 6 states for string ending with repeated symbol
- flying2000
- · Replies 8 ·
Easy discrete probability problems
- Townsend
- · Replies 2 ·
Conservation of Energy and Momentum of Particles
- Fanman22
- · Replies 2 ·
Amount of power as a person climbs stairs
- SnitchSeekaHarry
- · Replies 3 ·
Current vs. Induced Current: What's the Difference?
- Soaring Crane
- · Replies 5 ·
Can We Observe the Bending of Light in Relativity?
- Turkish
- · Replies 3 ·
Monkey and Hunter Theory: Mathematical Proofs
- harhar
- · Replies 2 ·
How far does the 6 kg box slide down the incline in 0.6 seconds?
- the_d
- · Replies 10 ·