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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Can string diameter affect wave speed in guitar strings?
- map7s
- · Replies 3 ·
What was the speed of the second car when it hit the first one?
- samdiah
- · Replies 3 ·
How Does Doubling the Springs Affect the Oscillation Period?
- map7s
- · Replies 5 ·
Finding the banking angle for a 20 m/s circular track with 12 m radius
- frostyman202
- · Replies 2 ·
Oscillations of air-track glider
- Kalie
- · Replies 1 ·
How Does Inclination and Friction Affect Box Acceleration?
- cy19861126
- · Replies 6 ·
Find Max Speed of 3.4g Mass in Oscillatory Motion: Energy Conservation
- map7s
- · Replies 1 ·
Force and torque on a dam from water pressure
- Kalie
- · Replies 1 ·
Why is the magnitude of its acceleration less on the descent
- katana
- · Replies 2 ·
Radius from Radial Acceleration
- bbaker77
- · Replies 7 ·
What Formula Do I Use to Find Instantaneous Velocity?
- Iceclover
- · Replies 3 ·
Problem with Rotational Inertia
- Lancen
- · Replies 5 ·
Solve Adiabatic Process of Ideal Monatomic Gas (γ=5/3)
- cdeggz
- · Replies 4 ·
Work done by the sun's gravitational force on Earth in one year
- alias_none
- · Replies 2 ·
How Does Tension and Moment of Inertia Affect an Atwood Machine?
- hatingphysics
- · Replies 1 ·
Swing Higher on Circus Trapeze: Solve Physics Problem
- mirandasatterley
- · Replies 1 ·
Wright Brothers Flying Machine
- lilsus
- · Replies 4 ·
Collision of block with spring w/ friction
- Selophane
- · Replies 6 ·
How Does an Exploding Firework Affect Projectile Landing Distance?
- kenau_reveas
- · Replies 3 ·
How Do You Solve These Classic Meter Stick Rotational Motion Problems?
- srnj222
- · Replies 2 ·
What is the girl's speed before and after grabbing the box on a trampoline?
- kenau_reveas
- · Replies 1 ·
Energy Conservation in Pendulum Swing: Finding v for Complete Circle
- mirandasatterley
- · Replies 4 ·
Resonance need explanation (No maths)
- goku999
- · Replies 2 ·
Which Mass Reaches the Bottom First When Rolling Down an Incline?
- hatingphysics
- · Replies 1 ·
Calculating Velocity for a Banked Curve: What Factors Affect the Best Speed?
- Visual1Up
- · Replies 2 ·
What Steps Are Involved in Deriving Stokes Law?
- THE 1
- · Replies 1 ·
Torque on a spherical planetoid galaxy
- Borat321
- · Replies 1 ·
How Do You Calculate Lift Force on a Banked Airplane?
- Visual1Up
- · Replies 1 ·
Angular Momentum - Wheel with unequal radius
- Borat321
- · Replies 2 ·
At what angle does a skier lose contact with a hemispherical mountain?
- amcca064
- · Replies 7 ·
Finding m/s with revolutions and radius
- Visual1Up
- · Replies 4 ·
About the uneven sharing of charges
- lingling
- · Replies 1 ·
Component of magnetic flux density - huh?
- allok
- · Replies 3 ·
Youngs Modulus and angular speed.
- Shlllink
- · Replies 2 ·
How to Calculate Work Transfer in Steady Flow Conditions
- niles_uk
- · Replies 3 ·
Thermal Expansion of thermometer in ice water
- S_fabris
- · Replies 6 ·
Understanding Impulse and Conservation of Energy in Bouncing Ball Collisions
- xrotaryguy
- · Replies 3 ·
Why Does Magnetic Force Behave Differently with Charges Compared to Steel?
- allok
- · Replies 3 ·
Distance under constant acceleration
- Alpha[X]²
- · Replies 5 ·
Is Holding a Weight at Arm's Length Considered Work?
- blackout85
- · Replies 1 ·
What Is the Speed of a 0.252-kg Block Just Before Hitting a Compressed Spring?
- mikefitz
- · Replies 11 ·
Are Metallic Vessel-to-Shore Bonding Cables Connected to Oil Tankers?
- lingling
- · Replies 4 ·
2D collision between 3.0kg and 4.0kg masses with given velocities
- tha-wanderer
- · Replies 2 ·
How Do You Calculate Velocities Using the Cosine Formula?
- jkh4
- · Replies 1 ·
Understanding Sound Interference
- team31
- · Replies 2 ·
Fluid Dynamics Pressure Difference
- SNOOTCHIEBOOCHEE
- · Replies 1 ·
Solving the Frequency of Small Oscillations in a Spherical Dish
- S0C0M988
- · Replies 1 ·
Trailer being pulled, where to put origin re: torque?
- lizzyb
- · Replies 14 ·
Impulse and Momentum of a collision between a block and bullet
- twotaileddemon
- · Replies 17 ·
Solving a Skiing Problem: Finding the Angle of Loss of Contact
- amcca064
- · Replies 1 ·
Block dropped onto a spring down an incline
- esoteric deviance
- · Replies 4 ·
Blocks stacked on an edge - max dist. b4 they fall?
- lizzyb
- · Replies 4 ·
Relativistic particle collision
- Max Eilerson
- · Replies 16 ·
Solving a Take Home Quiz: Determining Gas Density
- Cheapo2004
- · Replies 2 ·
See-saw, force exerted up by pivot?
- lizzyb
- · Replies 6 ·
Skateboarder throwing newspaper: initial velocity
- ownedbyphysics
- · Replies 3 ·
Why does mass have no effect on stopping distance?
- samdiah
- · Replies 8 ·
RLC Circuit with damping questions
- totallydesperate
- · Replies 1 ·
Why can't the F22 Raptor with 2:1 thrust ratio reach escape velocity?
- AstroNOT
- · Replies 4 ·
Potential Engery as a Function of X
- muna580
- · Replies 2 ·
Lifting a canister with two pulleys and a cord
- mbrmbrg
- · Replies 2 ·
Block launched by spring on 25° frictionless incline
- AznRico
- · Replies 2 ·
Potential Energy: Suspended Person, Force of mg(3cosθ-2cosβ)
- mirandasatterley
- · Replies 1 ·
Calculating Compression of a Concrete Stand Under a Heavy Statue
- mikefitz
- · Replies 2 ·
Centripetal force of a rollercoaster
- dkgojackets
- · Replies 2 ·
Compressional strain of hollow humerus in handstand
- shaka23h
- · Replies 6 ·
Figure Skating and Angular Momentum
- parwana
- · Replies 3 ·
Beam hinged to wall with a cable (torque, etc)
- lizzyb
- · Replies 1 ·
Pianist pushing off from grand piano problem
- ownedbyphysics
- · Replies 1 ·
Speed and acceleration of spring at t = 3.6 s
- mikefitz
- · Replies 3 ·
Is a Spring Constant of 0.005 N/m Plausible for a Spider's Web?
- metalmagik
- · Replies 6 ·
What is the Maximum Load a 1.5 m Copper Wire with 1.1 mm Radius Can Suspend?
- mikefitz
- · Replies 1 ·
Momentum/Impulse Graph Finding Velocity
- duke1
- · Replies 11 ·
Puzzle On Current Of electricity
- Delzac
- · Replies 2 ·
Understanding Potential Energy Functions: A Brief Overview
- muna580
- · Replies 2 ·
Finding plane weight from pressure difference and air speed above wings
- mikefitz
- · Replies 3 ·
Skier on a hemispherical mountain
- amcca064
- · Replies 1 ·
Young's Modulus of Wire with 0.94 kN Load
- mikefitz
- · Replies 3 ·
How Do You Construct the Wavefunction \(\psi(x,t)\) from a Given \(a(k)\)?
- Mindscrape
- · Replies 2 ·
Minimum force to topple a right circular cone of mass m and semi-vertical angle α
- anpm_dev
- · Replies 1 ·
Incline HW Problem: Solving with Equations and Finding Coefficient of Friction
- jenn3999
- · Replies 2 ·
General Concept Question-work done by gravitational force.
- integra2k20
- · Replies 9 ·
Mutual Inductance and wire coils
- edlin
- · Replies 3 ·
Specific heat ratios of water, air, and related questions
- sempiris
- · Replies 1 ·
Calculating change in angle from an impulse force
- jacobh
- · Replies 3 ·
Work done lifting a barbell at different speeds
- blackout85
- · Replies 1 ·
Does tension do work when a mass falls on a pulley?
- rleung3
- · Replies 6 ·
Bone CompressionTension problem
- shaka23h
- · Replies 3 ·
Finding Momentum w/ Mass and Height
- duke1
- · Replies 12 ·
Maximum spring elongation from initial kinetic energy
- blackout85
- · Replies 1 ·
Static equilibrium boy walking on beam
- trajan22
- · Replies 3 ·
EMF, Voltage, Current, Potential Difference etc.
- danago
- · Replies 6 ·
Find the refractive index of different objects using Snell’s law
- australianschoolkid
- · Replies 8 ·
Viscosity Troubles: Solving a Physics Dilemma
- Mystery_Man
- · Replies 2 ·
Calculating Tension of Rope for Scaffold with 690N Worker
- esinn08
- · Replies 2 ·
Torque with Symbolic Notation Problem
- esinn08
- · Replies 1 ·
Relative velocities at high speed
- Coldie
- · Replies 2 ·
Magnetic fields around electric current
- chris_yau
- · Replies 4 ·
Understanding Electric Motor Theory for First Timers
- australianschoolkid
- · Replies 2 ·