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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Simple graphing that will take a second
- ACLerok
- · Replies 3 ·
Unveiled: A Revolutionary Safety Air-Brake for Elevators
- WillParadigm
- · Replies 5 ·
Tension in cable connecting two blocks with pulley and friction
- pinky2468
- · Replies 11 ·
Net Power to Accelerate Car up Inclined Road
- songokou77
- · Replies 3 ·
Coefficient of kinetic friction on a slide with inclined and level sections
- songokou77
- · Replies 3 ·
The Speed of a Supernova's Shockwave: How Long Until It Reaches Earth?
- Commander Blue
- · Replies 5 ·
Circular Motion Problem: Calculating Acceleration for a Re-entry Maneuver
- pulau_tiga
- · Replies 2 ·
Calculating Stream Impact Distance from Container with Bernouilli's Equation
- CollectiveRocker
- · Replies 5 ·
How Do Masses and Springs Affect Vibration Frequencies?
- e(ho0n3
- · Replies 2 ·
What if a train travelled at 3/5 c
- stunner5000pt
- · Replies 10 ·
Galilean Relativity and Tangential Acceleration
- ek
- · Replies 4 ·
Designing a Force Scale Test w/ Rubber Bands
- UrbanXrisis
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Proving the Limit of Binomial Distribution as Poisson: Formal Proof
- relinquished™
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Deriving Gauss and Stokes theorems for B = Ap(r)
- galipop
- · Replies 9 ·
Determining total amplitude of out of phase waves
- Gza
- · Replies 2 ·
Electric Field Strength Calculation for a Point Charge
- Ezhil
- · Replies 5 ·
How to Calculate Force and Acceleration: Elevator, Car, and Sailboat Examples
- kimikims
- · Replies 5 ·
Helium balloon buoyancy, diatomic gas volume, and translational energy
- Kelju Ivan
- · Replies 1 ·
Gravitational Force on different planets
- BlackMamba
- · Replies 2 ·
What if a particle travelled at c/3
- stunner5000pt
- · Replies 4 ·
Calculating Contact Forces Between Blocks on a Frictionless Surface
- Lannie
- · Replies 2 ·
Maximum force on lower block before top block slips
- vsage
- · Replies 2 ·
Projectile launched at 35° with initial velocity 120 m/s: speed after 3 seconds?
- Format
- · Replies 12 ·
What is the kinetic energy of the object
- dg_5021
- · Replies 2 ·
Force on a rock at maximum height and mass during freefall
- Shay10825
- · Replies 19 ·
Kinetic Energy and Work-Energy Theorem
- BlackMamba
- · Replies 13 ·
Finding liquid density from spring balance readings
- CollectiveRocker
- · Replies 11 ·
Ionization Energy: Explain Metal-Nonmetal Oxide Reactions
- needhelpperson
- · Replies 2 ·
Acceleration of a Speed Skater on Rough Ice
- viendong
- · Replies 2 ·
Seemingly simple, what am i doing wrong?
- SnowOwl18
- · Replies 6 ·
Newton's 2nd Law Applied to a Particle In Uniform Circular Motion
- Faiza
- · Replies 2 ·
True or false: energy conservation and work statements
- songokou77
- · Replies 4 ·
Cart and load on inclined plane with pulley system
- smitheric420
- · Replies 2 ·
Ionization energy and bonding
- needhelpperson
- · Replies 2 ·
Factor of safety against sliding and rotation of a concrete dam
- rishid
- · Replies 4 ·
Finding a parabola with curvature 4 at the origin
- fresh
- · Replies 2 ·
Doppler shift of lights on spaceships traveling between Earth and Mars
- stunner5000pt
- · Replies 2 ·
Calculating Current in a Series Circuit with Multiple Resistors and a Battery
- benhorris
- · Replies 2 ·
Finding patient weight from four nurses lifting with 240N each
- Spitting_Camel
- · Replies 2 ·
Calculating the Effective Value of g at 3330 m Above Earth's Surface
- strugglin-physics
- · Replies 3 ·
Magnitude Equation: What Is It?
- kimikims
- · Replies 2 ·
What Is the Lunar Mass Compared to Earth's?
- J7
- · Replies 8 ·
Moon's mass from surface gravity and finding the null gravity point
- J7
- · Replies 4 ·
Calculating Angle Theta in Centripetal Motion Problem
- strugglin-physics
- · Replies 11 ·
Find the Average Power of a 560 kg Elevator
- Unknown_20
- · Replies 9 ·
Spatial separation of simultaneous events across reference frames
- stunner5000pt
- · Replies 6 ·
Solving Tough QM Questions: Applying Bohr Quantization Rules
- AKG
- · Replies 5 ·
How much work does the resistive force of water do on the skier in 10secs?
- dg_5021
- · Replies 3 ·
Simple square root factoring question
- Odyssey
- · Replies 6 ·
What is the Force on Each End of a Swimming Pool with Dimensions 30m x 12m?
- nemzy
- · Replies 4 ·
Acceleration Question w/ unknown variables
- Thaore0
- · Replies 2 ·
Atwood's machine accelerating upward with two unknown mass accelerations
- diegojco
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How can I calculate uncertainty in my data?
- Freeze
- · Replies 2 ·
Calculating the Gravitational Force of Two Bowling Balls
- Kdawg
- · Replies 3 ·
Power of Niagara Falls: How Many 80 W Bulbs Can It Power?
- Unknown_20
- · Replies 3 ·
Voltage needed to accelerate protons to 5.0×10^6 m/s
- gto6570
- · Replies 2 ·
Deriving distance formula for uniformly decelerated automobile
- NHS
- · Replies 5 ·
What are some practical applications of logarithmic functions in daily life?
- Poweranimals
- · Replies 7 ·
Compute Limits: f(x) = 2,3 - Does Not Exist
- buffgilville
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Minimum radius for vertical loop at 1400 km/h with 6.0 g limit
- justinbaker
- · Replies 3 ·
Energy equation with central force F = -Hmu^-3
- Odyssey
- · Replies 2 ·
How Do You Solve Incline Plane Problems with Kinetic Friction?
- pinky2468
- · Replies 5 ·
Max Rage of a Projectile Uphill
- Tom McCurdy
- · Replies 9 ·
Finding position of object with two vector forces
- debbie18
- · Replies 4 ·
Calculating Kinetic Energy of a Diver Using Conservation of Mechanical Energy
- songokou77
- · Replies 2 ·
Finding the initial velocity of a thrown object caught at a certain height
- Jake M
- · Replies 5 ·
How Can I Navigate the Complexities of Chaos and Randomness?
- Poursoi
- · Replies 4 ·
What is the velocity after the collision?
- punjabi_monster
- · Replies 2 ·
Constant power vs constant acceleration for car engine problem
- TraceBusta
- · Replies 11 ·
Equation of a plane orthogonal to a vector
- starbaj12
- · Replies 46 ·
Finding the integral of (sec x)^3 dx using integration by parts
- CinderBlockFist
- · Replies 2 ·
Substance shows acidic on 2 indicators but basic on 2 others
- alicezz
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Acceleration/Velocity vectors question
- SlammedMax
- · Replies 2 ·
How do I integrate these 3 functions?
- Odyssey
- · Replies 7 ·
Fairground wheel Kinematics Question
- james_rich
- · Replies 4 ·
Determining nuclide half-lives from activity measurements
- broegger
- · Replies 5 ·
Boost Your Math Skills: Prealgebra Review Assistance
- Sweet & Intellectual
- · Replies 2 ·
How Do You Calculate the Velocity of a Stunt Car Relative to Earth?
- star223
- · Replies 2 ·
Removable vs nonremovable discontinuities with absolute values and trig functions
- EasyStyle4747
- · Replies 3 ·
Circular Motion and Centripetal Acceleration
- aidos
- · Replies 7 ·
Review of circular motion and gravity homework questions
- PhysicsNovice
- · Replies 12 ·
RPM of centrifuge sample with 7.80×10³g centripetal acceleration
- Doug Desatnik
- · Replies 2 ·
Finding co-ordinates in squares
- bob4000
- · Replies 4 ·
Prove A = √(2/L) using Integration - Step by Step Guide
- danoonez
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What Are Some Innovative Grade 12 Physics Project Ideas on Lightning?
- Romio00
- · Replies 6 ·
How Do Different Spring Constants Affect Oscillation Frequency?
- smb62
- · Replies 3 ·
Struggling with Complex Double Integrals
- Blast0
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Finding constants a and b for a piecewise continuous function
- pulau_tiga
- · Replies 4 ·
How Fast Should a Motorcyclist Go to Stay on a Loop?
- ptrainerjoe
- · Replies 2 ·
Calculating Potential Energy on an Incline: Spring and Block System Explained
- TraceBusta
- · Replies 3 ·
Stone wedged in tire tread: finding radius from centripetal force
- shawonna23
- · Replies 5 ·
What Are the Steps to Solve These 3 Algebra-Based Physics Problems?
- SJC25
- · Replies 4 ·
What's the deal with elevators?
- r.l.newman
- · Replies 2 ·
Rope, Pulleys. and Lots of Tension
- kazimo
- · Replies 2 ·
Proving 13|4^(2n+1)+3^(n+2) for Positive Integers
- CartoonKid
- · Replies 11 ·
How can I determine if a set of vectors forms a subspace?
- phy
- · Replies 4 ·
Free body diagrams for stacked books with unequal masses
- Faiza
- · Replies 2 ·
Free body diagram for the block showing all the forces
- Faiza
- · Replies 2 ·
SHM: Block and Piston Separation and Continuous Contact
- smb62
- · Replies 2 ·
Banked Circular Highway Curve? Find friction
- GingerBread27
- · Replies 20 ·