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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Understanding Linear Momentum: Ranking Force and Slowing Regions
- RadiationX
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HEat energy given off by a person
- Juvenile
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The limit of the product is the product of the limits.
- Spectre5
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Solving q = 4t³ + 5t² - 6 for t = 1s - Instantaneous Current
- abot
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How to rescue an injured partner in space with conservation of momentum
- fratjock20
- · Replies 16 ·
KE in reletivity? Strange integration
- binarybob0001
- · Replies 29 ·
Calculating Total Mass of Nitrogen in Atmosphere
- gunnar
- · Replies 5 ·
How to list all positive rational numbers in order
- abbeyofthelema
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Fluid Mechanics: Solving 8 Min Water Flow Problem
- Jayhawk1
- · Replies 3 ·
Understanding Molecular Shapes: CO2 vs CS2
- courtrigrad
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Finding the limit of sin(3x)/(x+3x²) as x approaches 0
- gillgill
- · Replies 6 ·
What is the shape of a sine curve?
- phEight
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What is the Probability of Finding the Momentum of a Particle in Free Space?
- mmilan
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How Can You Find Information on Parallel-Connected LCR Networks?
- Steph
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Atwood's pulley-moment of inertia
- flower76
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How Do You Determine Quantum Numbers from Hydrogen Spectra Data?
- jzq
- · Replies 7 ·
Tension in string with disc rolling under pulley and hanging mass
- stunner5000pt
- · Replies 10 ·
How Do You Convert the Equation y^2-4x-4y+8=0 into Standard Form?
- aisha
- · Replies 13 ·
Square vs rectangular coil torque ratio with same wire length
- NotaPhysicsMan
- · Replies 3 ·
What Is the Solution for n in the Equation 10Pn = 90?
- blue_soda025
- · Replies 6 ·
Power calculated from running up stairs converted to horsepower
- SwAnK
- · Replies 10 ·
Calculating Rotational Motion: Proving Velocity is Perpendicular to Radius
- Phymath
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How Do You Solve the Logistic Equation Explicitly?
- Richter915
- · Replies 9 ·
Electron speed for same momentum as proton at 0.0180c
- smij44
- · Replies 10 ·
Find the linear acceleration of the bicycle
- BJN153
- · Replies 2 ·
How Do You Calculate Electric Potential at a Point Near a Charged Rod?
- Tassadar27
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Finding the Minimum Velocity for Safe Rope Sliding: A Physics Problem
- Charlie Brown
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Center of gravity with four masses and scaffold rope tensions
- imnotsmart
- · Replies 20 ·
Moment of inertiaFind the moment of inertia of the plate
- Punchlinegirl
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What Shifts When Lenses Are Swapped in a Dual-Lens System?
- Physicsme
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Spring launching object up a 30° frictionless incline
- shorti2406
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How Do Newton's Third Law and Forces Affect Hockey Player Collisions?
- hya_been
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The base units of the Gravitational Constant 'G'?
- rindishy123
- · Replies 15 ·
Finding a_n and the series sum from partial sums
- tandoorichicken
- · Replies 3 ·
Understanding Relative Humidity and Dew Point in Air Masses
- Esoteric
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What is the Capacitance of a Multi Plate Capacitor?
- Callum10
- · Replies 7 ·
Calculating Acceleration of a Hay Bale Being Lifted Onto a Barn Loft
- jen333
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Parabola equation with focus and directrix
- aisha
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Radon Price: What Does "$4/m" Mean?
- Bruce Bacher
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How Does a Spinning Rope Exert Force on Its Segments?
- stunner5000pt
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Integral of x³ - 6x² + 9x + 16 from -1 to 2 gives -3/4, not 47.25
- Briggs
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Find a point where this magnetic field is zero
- ShadowFX
- · Replies 3 ·
Uniform circular disk of radius
- johnnyb
- · Replies 9 ·
Impossible escape velocity question
- infirmus
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Solving lim x->0 (1-cosx)/x: Are My Steps Right?
- gillgill
- · Replies 5 ·
How does the diameter of Polaris compare to the diameter of the sun?
- jai6638
- · Replies 3 ·
Find the square root of negative numbers
- minase
- · Replies 8 ·
How Can You Create Different Sound Waves Using Everyday Materials?
- itmpls
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Mechanical energy of the system
- Logistics
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What does orientation by restriction of dx ∧ dy mean?
- AKG
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How do I determine the number of fringes in Thermal Expansion Lab?
- ricola_pak
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Position-Time Graphs: Understanding and Using Velocity-Time
- XtremeChiq
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Work transfer and energy conservation
- quick
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Why is acceleartion in denominator ^2 units?
- ktpr2
- · Replies 7 ·
How Much Power is Needed to Push a Lawnmower at a Constant Speed?
- xangel31x
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Understanding Work in Rotational Motion
- UrbanXrisis
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How Far Will the Ice Cube Travel Up the Slope After Release?
- physicsCU
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Calculating Crowd Size at a Football Game
- Salty
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Pendulum behavior when an elevator falls freely
- pinkie
- · Replies 11 ·
Coefficient of Sliding Friction
- vitaly
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Gauss's Law and a conducting sphere
- Alem2000
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Solving Integral (sec^3 X) Quickly
- Gale
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Magnetic field coil of wire problem
- leolaw
- · Replies 1 ·
Step function definition from piecewise graph
- EvLer
- · Replies 3 ·
The Fall of the Portable Radio: How Long for a 10 dB Increase?
- Salty
- · Replies 2 ·
Can Hall Voltage Measurements Determine Semiconductor Type?
- JamesJames
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Average domain size and how permanent magnets are made
- miffy
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Microwave Ovens: Solving Eq. E = Emax.cos(wt)
- i0n
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Research paper ideas on society, education or government
- Ba
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Sum of the series ∑(n=1 to ∞) n² wⁿ for |w| < 1
- cepheid
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Differential equations/initial-value problem
- DivGradCurl
- · Replies 7 ·
How to Derive the ODE for a Floating Spherical Float?
- yoyo
- · Replies 2 ·
How Do Electromagnetic Waves Behave During Refraction?
- !Live_4Ever!
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Light ray reflecting off two mirrors at 60 degrees
- Jacob87411
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What are the torque-producing forces in this system?
- klandestine
- · Replies 5 ·
Physics Project Lighting a Match
- vvicin01
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Lower wishbone stress calculation problem
- brown
- · Replies 2 ·
Mass M2 for constant speed and static equilibrium on inclined plane
- roger_c
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Find the Acceleration of a Point on an Exhaust Fan Blade at 25cm from Axis
- john_f2004
- · Replies 12 ·
Problems with large-scale power stations
- aek
- · Replies 4 ·
How Do You Calculate Total Work Done in This Physics Problem?
- MiniTank
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Wavelength of Radio Waves Emitted by a Resonant Circuit in a Radio Receiver
- waywardtigerlily
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Calculus with Parametrics problem
- ChickenChakuro
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How can I find the second derivative of y=xtanx?
- ms. confused
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Calculating Work from Force as a Function of Time Graphs
- twiztidmxcn
- · Replies 2 ·
Thomas' Calculus: Student Solutions Manual?
- kape
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How Does a Particle's Probability Change When Its Quantum Box Doubles in Size?
- Dathascome
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Finding position from velocity with constant acceleration
- macarroni
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Finding Radius of Curvature for Biconvex Lens
- Jacob87411
- · Replies 6 ·
How do I solve these physics problems involving gravity and circular motion?
- godemiche
- · Replies 2 ·
Learning a technique to figuring out the Explicit Formula
- trigger352
- · Replies 5 ·
Graph Conic: Hyperbola - Key Features
- aisha
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Double limit of (cos n! π x)^(2m): does it exist?
- stunner5000pt
- · Replies 26 ·
Biconvex lens with one known surface radius
- Jacob87411
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What Causes Superimposition in String Fundamentals and Standing Waves?
- lektor
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When is the inhomogeneous system solvable for all a-values?
- Mathman23
- · Replies 7 ·
How Does Air Resistance Affect Work Done on a Falling Raindrop?
- the_d
- · Replies 3 ·
Simple harmonic motion of a ball drop
- UrbanXrisis
- · Replies 6 ·
Find magnetic field at point on Circumference
- GingerBread27
- · Replies 2 ·