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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Finding frictional force on a 6 kg cart with 10.5 N applied force
- karajo
- · Replies 6 ·
How Long Will It Take for the Entire Chain to Slide Off the Table?
- Satvik Pandey
- · Replies 114 ·
What is the effect of applied pressure on a partially filled U-shaped tube?
- Dudleyz
- · Replies 1 ·
Ranking Rotational Inertia Task
- B3NR4Y
- · Replies 4 ·
How Can You Design an Adiabatic and Reversible Thermodynamic System?
- decerto
- · Replies 3 ·
What is the current through each resistor in this circuit?
- Rodgerd
- · Replies 3 ·
Hammer striking an anvil with a velocity of 50ft/sec
- Dustinsfl
- · Replies 4 ·
Calculating the average force of a molecule in a vessel
- PhyIsOhSoHard
- · Replies 1 ·
Is relative velocity confusing in multiple vector systems?
- Hijaz Aslam
- · Replies 4 ·
When does work equal change in PE versus change in KE?
- LexRunner
- · Replies 1 ·
Finding vC(t) for a Critical Damping RLC Circuit
- MattHorbacz
- · Replies 1 ·
I understanding conceptual question for particle tracks in a chamber
- Lopez
- · Replies 5 ·
Maximum height of stone thrown at 36.9° from 56m building
- Shyotic
- · Replies 3 ·
Real and virtual images in optical systems
- Eddie10
- · Replies 4 ·
Finding the final velocity in a two-block pulley system with friction
- minimario
- · Replies 12 ·
Critical angle and minimum angle of incidence for light in ice
- max1995
- · Replies 6 ·
What is r hat (^) like exactly and how do you calculate it?
- Mary O'Donovzn
- · Replies 10 ·
Calculating force from distance traveled and initial speed of projectile
- Felchi
- · Replies 1 ·
How to Calculate the Magnitude and Angle of the Total Force of Three Charges?
- Mary O'Donovzn
- · Replies 10 ·
A system has non-degenerate energy levels with energy
- Eats Dirt
- · Replies 3 ·
Is a coefficient of friction of 7.7 on mousetrap car reasonable?
- AAAA
- · Replies 12 ·
Find the acceleration of a pulley system
- AndrejN96
- · Replies 9 ·
Cylinder in equilibrium between two fluids
- Tanya Sharma
- · Replies 22 ·
Work done by force (1.9 N/m²)x² along different paths in xy plane
- Shadow236
- · Replies 5 ·
Magnitude, 2D co-ordinates and Coulomb's Law
- Mary O'Donovzn
- · Replies 1 ·
Light waves and intereference patterns
- kirsten_2009
- · Replies 1 ·
Speed of waves and time delay question
- kirsten_2009
- · Replies 1 ·
Device to catch a hardboiled egg dropped from 7 meters, under 5 cm tall
- Ering
- · Replies 2 ·
Wavelength, speed and frequency question
- kirsten_2009
- · Replies 2 ·
Wave constructive and/or destructive interference question
- kirsten_2009
- · Replies 3 ·
Ball on incline with friction and applied force
- glenohumeral13
- · Replies 3 ·
What is the coefficient of kinetic friction in this problem?
- JohnSmith12
- · Replies 2 ·
Finding the Moon's mass relative to Earth's using surface gravity and radius
- logan3
- · Replies 1 ·
Thermodynamics atmospheric pressure Question
- benjibutton
- · Replies 8 ·
Charged particle passing through velocity selector
- Les talons
- · Replies 1 ·
Average velocity, displacement vector.
- Shpat Celiku
- · Replies 18 ·
How does increasing current to the coils affect the electron circular path?
- Eddie10
- · Replies 3 ·
Why Use Kinetic Energy Instead of Momentum to Stop a Car?
- smcclenaghan
- · Replies 6 ·
What is the acceleration of Steve Prefontaine during his 10-km race?
- fightboy
- · Replies 9 ·
What is the value of the B field in Teslas, inside the Helmholz coils?
- Eddie10
- · Replies 3 ·
Pin and cable supported by a beam
- Sunshine:)
- · Replies 1 ·
Determining the velocity of sound in the air by the resonance method
- mjdom
- · Replies 3 ·
Converting pressure to atomspheres
- dlp248
- · Replies 4 ·
Finding the angle of the velocity vector of a projectile at moment of impact
- Corey333
- · Replies 3 ·
Moments, calculating force exerted on ladder by wall
- John6134
- · Replies 14 ·
Two people falling from building at different times, find meeting distance
- physicsguide
- · Replies 1 ·
Potential of Spherical Shell with Nonunifor Surface Charge
- azupol
- · Replies 3 ·
Calculating Time for Mass to Travel Distance on a Pulley
- David Mordigal
- · Replies 1 ·
Newton's Laws Conceptual Problem
- JSmithDawg
- · Replies 2 ·
Solving Physics Problem 9-72: Angular Speed of Pulley
- Dominique19
- · Replies 3 ·
Can a Strong Man Push Two Freight Cars at Different Speeds?
- lynaa
- · Replies 3 ·
Equivalent spring constant of a system
- theBEAST
- · Replies 1 ·
Toy Gun Spring Compression and Projectile Height: How are they Related?
- dhphysics
- · Replies 1 ·
Finding Tension in a Beam Supported by a Pulley: Solving for Equilibrium
- taxidriverhk
- · Replies 5 ·
Is Finding Thévenin's Equivalent Just Calculating Rth and Vth?
- Crutchlow13
- · Replies 4 ·
Solving for Electric Field Strength
- bikeeich
- · Replies 4 ·
Is a Rooftop Solar Hot Water System Feasible in My City?
- Meera.sheeda
- · Replies 5 ·
How Can Tom Calculate Time Dilation and TV Transmission in Special Relativity?
- alizeid
- · Replies 5 ·
Do two stones thrown with same speed hit the ground at same time and speed?
- dhphysics
- · Replies 8 ·
Finding Spring Constant/Compression
- BobBarker444
- · Replies 4 ·
Lorentz Contraction and Energy
- fdsa1234
- · Replies 2 ·
Calculating Final Rotation of Spinning Wheel
- Dumbledore
- · Replies 13 ·
Can you find the applied force with just the initial and final velocties?
- glenohumeral13
- · Replies 8 ·
Quantum State diagram for system of particles
- SalfordPhysics
- · Replies 6 ·
Center E field of an equilateral triangle.
- RyanBruceX
- · Replies 6 ·
Reactant nuclei and product nuclei
- gxc9800
- · Replies 1 ·
Which rotational equation requires radians?
- gcombina
- · Replies 1 ·
Why escape velocity derivation using centripetal force gives wrong answer
- bobbricks
- · Replies 9 ·
Calculate average current flow in an electric eel (Simple Circuit Questions)
- fishes
- · Replies 7 ·
Longitudinal waves in a quartz plate
- Karol
- · Replies 5 ·
Torque equilibrium with plank on two supports and hanging load
- VelvonVeden
- · Replies 1 ·
Power used to move a car up an incline with friction
- DanDanDan
- · Replies 7 ·
2 boxes ontop of each other on a ramp with friction and Force of pull
- tanh^-1(x)
- · Replies 5 ·
Two Cars Coming to Rest on an Incline
- Jennings
- · Replies 9 ·
Find the acceleration of the hanging block
- Emily_20
- · Replies 64 ·
Rocket Propulsion: Calculating Specific Impulse for Return Mission
- praveenpandiyan
- · Replies 3 ·
Torque equilibrium. Where would the masses need to be placed?
- johnball123
- · Replies 3 ·
Work Done With/Without A Spring
- EzequielSeattle
- · Replies 10 ·
Frictional force with appiled force at an angle
- Soniteflash
- · Replies 4 ·
At what angular frequencies is the amplitude half of its resonant value?
- Ange
- · Replies 1 ·
What Is the Average Force Exerted by a Recoiling Shotgun?
- Emily_20
- · Replies 2 ·
Net Electric Field Strength at a Point due to a Uniform Electric Field
- slaw155
- · Replies 10 ·
Physics distance and acceleration Problems
- Dhooy7
- · Replies 8 ·
Minimum potential difference, Balmer series
- robbie8292
- · Replies 5 ·
Find time, final Vy, and Vx from changes in X and Y
- Guphanti
- · Replies 5 ·
Question on a ball dropping( conservation of energy)
- Peter-John King
- · Replies 1 ·
Chlorine ion acceleration across a cell membrane and relativistic speed
- casualdehyde
- · Replies 8 ·
How to Solve a Potential Energy Problem with Given Force Components?
- dsurve007
- · Replies 1 ·
Where to place Q so it experiences zero net Force.
- RyanBruceX
- · Replies 19 ·
Velocity of two identical masses over a frictionless pulley
- Nicki
- · Replies 3 ·
Why does accelerating a spacecraft to light speed require infinite energy?
- pstir2
- · Replies 1 ·
Finding crate speed with 350 N force at 30° and friction
- kachi
- · Replies 2 ·
Calculate the number of sodium ions entering an non-myelinated axon
- devon
- · Replies 7 ·
Spring force and frictionless mass vs speed
- wind
- · Replies 2 ·
Finding Maxwell's Equation parameters problem
- baby_1
- · Replies 3 ·
Unit vector in Magnetic boundary condition
- baby_1
- · Replies 3 ·
Child, Chair, and Spring Scale on Pulley: Forces
- minimario
- · Replies 1 ·
Archer hitting an octomorph falling from a tree at 100m distance
- Jennings
- · Replies 14 ·
Sphere Under Gravity Problem (Isaac Physics)
- bobbricks
- · Replies 1 ·
Resistance of the ground problem
- MNWO
- · Replies 4 ·