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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Skateboarder Needs Speed for 3m Quarter Pipe
- yomama
- · Replies 2 ·
Time when two cars have equal speeds
- MechaMZ
- · Replies 4 ·
How Do You Calculate Tension and Friction in Physics Problems?
- reddeffect
- · Replies 2 ·
Velocity of bowling ball after the collision
- MorallyObtuse
- · Replies 2 ·
Potential/Kinetic Energy Problem
- mhildreth
- · Replies 2 ·
Two masses connected by pulley: 2kg mass drops 25cm
- SoulEater
- · Replies 8 ·
Deriving an Expression for g in Terms of M, m, D, H, and t
- bjac
- · Replies 5 ·
Work by an ideal gas, thermodynamics
- v0id19
- · Replies 4 ·
Structure and applications of NMOS and PMOS transistors
- M.Qayyum
- · Replies 1 ·
Finding three loop currents with Kirchhoff's rules
- RyanSchw
- · Replies 4 ·
Sphere with initial spin transitioning to pure rolling
- jbphys303
- · Replies 1 ·
Shadow of a dropped basketball: how fast along the ground?
- songoku
- · Replies 3 ·
Electric potential of a dipole using superposition and integration
- soupastupid
- · Replies 2 ·
Finding rod pendulum length from period of 2.24 s
- Mr. Goosemahn
- · Replies 11 ·
Rotational Kinetic Energy of a sphere
- kelslee28
- · Replies 2 ·
Calculating Speed of Dropped Baseball Using Conservation of Energy Method
- Trecero
- · Replies 2 ·
20 g block on U-tube with two fluids of different densities
- dorian_stokes
- · Replies 2 ·
What Is the Acceleration of a Falling Rod at 55 Degrees?
- PherricOxide
- · Replies 4 ·
How to Calculate Travel Time of an Airplane with Tailwind
- black_hole
- · Replies 2 ·
Why Does Steepness in a Potential Energy Graph Indicate Greater Force?
- yomama
- · Replies 1 ·
Aceleration force mass question
- minhas510
- · Replies 1 ·
How does the number of turns in a loop affect the torque in a magnetic field?
- estanton
- · Replies 3 ·
Cross skier displacement with three legs using vector components
- DeeD
- · Replies 2 ·
Rotational Kinematics - A gymnast is performing a
- crono_
- · Replies 5 ·
Finding magnitude and direction of total momentum with two balls at right angles
- SuperCass
- · Replies 3 ·
Finding average resistance force for a 49 kg diver dropping 12 m
- Vision5
- · Replies 9 ·
Heat loss through wall with brick and R-19 insulation
- nightwing973
- · Replies 1 ·
Calculating Mass from Applied Force and Coefficient of Kinetic Friction
- yoshi6
- · Replies 14 ·
Escape Speed from Earth for 7500kg Spacecraft
- kubombelar
- · Replies 4 ·
Not a clue Number of oscillators.
- quickclick330
- · Replies 2 ·
Dynamics question- finding m in terms of rho, r and v
- Boogeyman
- · Replies 3 ·
Gravitational potential question, nasty
- Boogeyman
- · Replies 5 ·
What is the Current through R2 in a 150V Circuit with 10 ohm Resistors?
- crazuiee
- · Replies 12 ·
Simple Harmonic Motion of mass is suspended by a spring
- Magma828
- · Replies 10 ·
Need verification on a spring force problem regarding a bungee cord.
- Hunter Arcanu
- · Replies 3 ·
Simple Pendulum amplitude problem
- SeanGillespie
- · Replies 10 ·
Possible topic: What are some potential topics for a Physics Extended Essay?
- adit999
- · Replies 3 ·
Conservation/Conversion of energy
- drkidd22
- · Replies 5 ·
What Is the Thickness of a One-Molecule-Thick Oil Layer on Water?
- BogMonkey
- · Replies 1 ·
Power Expenditure for Treading Water with Average Body Density
- sodr2
- · Replies 9 ·
Calculating the Magnitude of Torque to Stop a Spinning Rod
- yomama
- · Replies 2 ·
A Car moving in circular motion
- interxavier
- · Replies 1 ·
How Small Can Accelerators Detect Particles?
- crybllrd
- · Replies 5 ·
Finding torque to life object at a certain acceleration
- bambam123
- · Replies 2 ·
Change in internal engergy of a monatomic ideal gas
- alexthelion
- · Replies 4 ·
Pressure 150m Below Sea Surface: Calculate Now!
- sodr2
- · Replies 3 ·
Calculating the minimum speed to produce a certain downforce
- reesespieces2
- · Replies 1 ·
Circular Motion and block track
- interxavier
- · Replies 2 ·
For which angle is the speed of a basketball more important to score?
- imatreyu
- · Replies 4 ·
Rotational Inertia Seesaw Picot
- premedonna89
- · Replies 1 ·
2 questions on Wave Phase Differences [Diagram Included]
- qazxsw11111
- · Replies 6 ·
Average distance between molecules in ice at 0°C
- Idrees
- · Replies 1 ·
Is momentum or kinetic energy conserved in an inelastic collision?
- xshezsciencex
- · Replies 4 ·
Is mixing 0.8 kg of water at 100°C with 0.8 kg at 0°C reversible?
- hadroneater
- · Replies 2 ·
Describing the motion of a bubble through water
- ttja
- · Replies 1 ·
What Forces Prevent a Refrigerator from Tipping on a Moving Truck?
- Trentonx
- · Replies 8 ·
How Can I Form a Differential Equation for a Sphere's Flow Rate?
- vigintitres
- · Replies 3 ·
Calculating Normal Force on a Hill for a Bike and Rider - Quick HW Answers
- geauxKTM
- · Replies 1 ·
Why Does a Ball Stay Stationary in a High-Speed Air Stream?
- Darkalyan
- · Replies 1 ·
How to Solve a Problem Involving a Collision with Right Angles
- Shifty
- · Replies 6 ·
Work and Energy of weightlifter
- paulsberardi
- · Replies 4 ·
How many jumps needed to burn 500 food calories?
- Emethyst
- · Replies 2 ·
Finding magnitude of gravitational force?
- gadawg90
- · Replies 4 ·
Electron traveling through two parallel charged plate. What is Magnetic Field?
- Xaspire88
- · Replies 14 ·
Finding moon B's orbital period from moon A using Kepler's third law
- Devin Longo
- · Replies 1 ·
What is the domain of the A(x) function?
- eddo
- · Replies 1 ·
Energy-related problem involving skiing up a hill
- Emethyst
- · Replies 1 ·
Solved: Pulse Wave Problem - Speed of the Crest in m/s
- bricker9236
- · Replies 1 ·
Finding the Coefficiant of friction
- BlakcDahlia
- · Replies 4 ·
What is the Work Done by a Baseball on a Catcher's Glove?
- Vision5
- · Replies 2 ·
Electrostatics problem (Spherical surface)
- ravager1987
- · Replies 1 ·
Max Power Dissipated in RLC circuit
- pynergee
- · Replies 1 ·
Finding Center of Mass and Velocity of Three Moving Balls
- Gisellebarr
- · Replies 4 ·
Calculating Potential Energy of a Spring: A Case Study in Newtonian Dynamics
- xshezsciencex
- · Replies 3 ·
How Do You Calculate the Final Speed of a Comet in Orbit?
- Qnslaught
- · Replies 1 ·
Banked Curve Algebra With Static Friction
- Extremist223
- · Replies 1 ·
How Does Particle Displacement Affect Momentum in a Magnetic Field?
- darkpsi
- · Replies 1 ·
Tension of Rope, Friction, And Work Done
- Extremist223
- · Replies 2 ·
Can a mass-spring system oscillate in zero gravity?
- DanicaK
- · Replies 2 ·
Gravitional potential energy problem
- frostking
- · Replies 3 ·
How Does Kick Dynamics Affect Soccer Ball Impulse and Force?
- xshezsciencex
- · Replies 1 ·
Find the magnitude of the gravitational field
- matt_crouch
- · Replies 1 ·
What is the minimum potential difference?
- sweetipie2216
- · Replies 1 ·
Elastic collision of blocks A and B with known landing distances
- dbnyberg
- · Replies 3 ·
Momentum attained by a laser beam
- jstrike
- · Replies 2 ·
How do forensic physicists apply physics to ballistics and blood spatter?
- BangBang101
- · Replies 1 ·
What Is the Moment of Inertia of a Sphere About an Axis on Its Edge?
- Rker
- · Replies 1 ·
Top and bottom of a swinging object
- MechaMZ
- · Replies 3 ·
Electric Field Strength of a Wire w/ Linear Charge Density
- foxjwill
- · Replies 10 ·
How do you find answer in Newton?(read)
- DudewithSkull
- · Replies 1 ·
Heat transfer equation (temperature difference)
- MechaMZ
- · Replies 6 ·
How do you calculate the electric field and voltage for a charged sphere?
- Cryphonus
- · Replies 18 ·
Work Problem (Block with spring)
- Chandasouk
- · Replies 8 ·
Pumping seawater up a 12 m cliff with 150 kPa pressure
- sonutulsiani
- · Replies 1 ·
What are the x and y components of the velocity of the CM of the two bodies?
- jayced
- · Replies 3 ·
Ppl i am just 14 and am tryin to make a car and i am having problems
- saarthak007
- · Replies 4 ·
Why is the Electron's Momentum Higher in Special Relativity?
- JDiorio
- · Replies 4 ·
Understanding Electric Field Changes Passing Through a Waveplate
- raisin_raisin
- · Replies 1 ·
Children pulling toward center on rotating board
- asl3589
- · Replies 1 ·
Students to classrom heat transfer
- snabelpablo
- · Replies 1 ·