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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What is the maximum power rating of a kettle
- daewoo
- · Replies 7 ·
What is the formula for finding the speed of a roller coaster at point A?
- badtwistoffate
- · Replies 3 ·
What is the impulse delivered to the ball by the racquet?
- runawayshoes
- · Replies 5 ·
Calculate Work Needed to Stop Rolling Cylinder
- ViewtifulBeau
- · Replies 4 ·
Moment of inertia for an irregular shaped object
- Punchlinegirl
- · Replies 4 ·
What Is the Initial Acceleration of End B When the String Is Cut?
- Punchlinegirl
- · Replies 1 ·
Calculating Scalar Potential for a Cube with Point Charges
- Midas_Touch
- · Replies 2 ·
Momentum, Impulse, and Collisions
- einahpets
- · Replies 2 ·
Dynamic application of torque with center of mass
- SoccaCrazy24
- · Replies 7 ·
Science Project Idea: Rainy Day Experiment for Measuring Wetness
- Danielle_riv
- · Replies 1 ·
Solving for Displacement on a 25° Incline w/ Kinetic Energy
- hshphyss
- · Replies 5 ·
Distance from free end to first node in a standing wave
- oooo
- · Replies 17 ·
Calculating Projectile Trajectories in 3D Space: Applying Physics and Calculus
- pattiecake
- · Replies 2 ·
So the spider can safely climb up the strand with no acceleration (0 m/s^2).
- Danielle_riv
- · Replies 2 ·
Dynamics Questions: Why Must Space Arm Be Strong in Weightless Conditions?
- Physics11
- · Replies 1 ·
Force exerted by shoulder joint on outstretched arm
- confusedbyphysics
- · Replies 2 ·
Two masses connected by a spring on frictionless track
- don_anon25
- · Replies 1 ·
How is the Gravitational Field Calculated at a Point P between Two Equal Masses?
- dekoi
- · Replies 5 ·
Determining the force of something that is dropped.
- wasteofo2
- · Replies 3 ·
Using primitives to integrate moments of Inertia
- Nikolas
- · Replies 3 ·
What Forces Do Stepladders Exert on a Plank Supporting a Painter?
- Equilibrium
- · Replies 2 ·
Calculating Impulse Magnitude in a 2-Dimensional System
- DKPeridot20
- · Replies 5 ·
Hot air balloon buoyancy problem
- bruceflea
- · Replies 1 ·
How Is Work Calculated When Lifting and Carrying a Cement Block?
- hshphyss
- · Replies 1 ·
Air-wind-blah velocity problems
- Pseudo Statistic
- · Replies 5 ·
Airline project: KC to Indianapolis with 550 mph cruising speed
- Advil
- · Replies 4 ·
Electric fields and positive point charge
- Pixter
- · Replies 3 ·
Moment of inertia of a rod about an off-center axis
- ViewtifulBeau
- · Replies 7 ·
Why Does Gauss' Law for Magnetism Apply to Current-Carrying Wires and Squares?
- greenbean
- · Replies 1 ·
Calculating the magnetic field of 3 piece wire
- GrassPuppet
- · Replies 1 ·
How High Was the Basketball Dropped to Achieve a Momentum of 2.5 kgm/s?
- TastyTyr
- · Replies 4 ·
Calculating Rotational Inertia: A Puzzling Problem?
- ViewtifulBeau
- · Replies 1 ·
Car moving along a banked curve with friction
- Dr4c0
- · Replies 13 ·
Calculating Period for Simple Harmonic Motion in Physics Lab
- tralblaz
- · Replies 2 ·
Tape won't stick where I want it
- Pixter
- · Replies 1 ·
Solving a Rocket Motion Problem
- drew1989
- · Replies 1 ·
Whaaa Calculating the temperature of the suns surface
- Lisa...
- · Replies 1 ·
Vector components on the tip of hand on a clock
- tak160
- · Replies 3 ·
How high does a 0.240 kg block rise above a compressed spring?
- hshphyss
- · Replies 4 ·
What is the speed of the ball after bouncing off an elastic surface?
- emc2_akshay
- · Replies 2 ·
Determine the possible values for the magnitude
- byeh2004
- · Replies 1 ·
Calculating Magnetic Field in a Straight Wire of Radius R with Current I
- leelee
- · Replies 2 ·
Calculating Gravitational Potential Energy of a Ball Suspended from a Ceiling
- hshphyss
- · Replies 2 ·
Determine the Gravitational potential energy
- Nicholasw
- · Replies 2 ·
How Is Heat Calculated from Entropy and Temperature Changes in Thermodynamics?
- jmcgraw
- · Replies 1 ·
Water waves with 4 m spacing and 2 waves every 5 seconds
- knox_122
- · Replies 1 ·
Moment of Inertia and Center of Mass for Point Particles
- jenc305
- · Replies 1 ·
How Do You Calculate Average Speed During Acceleration?
- snowbelle
- · Replies 1 ·
Rolling Motion (Kinetic Energy)
- SiliconCPU
- · Replies 12 ·
Why Does a Copper Block's Internal Energy Remain Stable Despite Continuous Work?
- alias25
- · Replies 2 ·
Tarzan's velocity while swinging on his vine
- smileyjen523
- · Replies 1 ·
Need some proper wording for a Formal Lab
- NoMeGusta
- · Replies 2 ·
Inelastic collision and conservation of energy
- AERam
- · Replies 2 ·
Redrawing Circuits for Diode Analysis: Is It Valid?
- QueenFisher
- · Replies 5 ·
Free-falling body subject to air resistance
- polyperson
- · Replies 2 ·
Finding currents I1, I2, I3 with Kirchhoff's laws
- klandestine
- · Replies 11 ·
Work on sliding bag on aircraft
- hshphyss
- · Replies 4 ·
How Can I Calculate Tension and Amplitude in Standing Wave Problems?
- Superdreamer
- · Replies 4 ·
Inconsistency in special relativity?
- sarahisme
- · Replies 8 ·
Verifying answers for melting ice exam questions
- sarahisme
- · Replies 9 ·
How Much Energy Do CO Molecules Need for a Rotational Transition?
- Soaring Crane
- · Replies 1 ·
How Does the Coefficient of Friction Affect a Trolley's Motion Down a Ramp?
- physics99
- · Replies 1 ·
How to Solve Electric Circuit Questions
- daewoo
- · Replies 4 ·
Force from a compressed air motor with 200psi to 30psi regulation
- nickvdm
- · Replies 14 ·
Wavelength, Frequency, and Planck's Constant
- Soaring Crane
- · Replies 6 ·
A uniform board is leaning against a smooth vertical wall. Find torque
- leezak
- · Replies 1 ·
Finding wheel radius from rim and spoke masses for kinetic energy
- tung
- · Replies 1 ·
Calculating Torque: Solving a Bicycle Wheel Problem
- leezak
- · Replies 3 ·
Normalizing Data from Lens Equation Lab
- wrkinhard
- · Replies 1 ·
Finding matched line voltage from standing wave data
- AngelofMusic
- · Replies 1 ·
Does Equipartition of Energy Mean K is Proportional to D and T?
- Kenny Lee
- · Replies 2 ·
In what unit do you measure potential energy?
- RMHAZARD
- · Replies 3 ·
How Do You Calculate Travel Time and Distance with Stops and Varying Speeds?
- rafael_josem
- · Replies 1 ·
Equation to find density of metal
- RMHAZARD
- · Replies 18 ·
Apply the law of conservation of energy to determine the ball's speed
- Nicholasw
- · Replies 3 ·
Finding the Minimum Height for a Ball to Complete a Loop on a Roller Coaster
- Effitol840
- · Replies 9 ·
3 problems involving linear momentum
- jrd007
- · Replies 10 ·
Breaking Point for a Copper Wire
- Ike
- · Replies 4 ·
Resolution of an electron microscope for a given voltage
- asdf1
- · Replies 2 ·
Finding equilibrium angle for a wedge with two normal forces
- caddyguy109
- · Replies 5 ·
Why does light reach the lorry's back faster than its front from outside?
- almirza
- · Replies 1 ·
How can assumptions impact the calculation of projectile and explosion?
- amcavoy
- · Replies 2 ·
At What Height Is a Projectile at Half Its Initial Velocity?
- DaMastaofFisix
- · Replies 3 ·
Force exerted by fish on fishing reel with friction clutch
- Windwaker2004
- · Replies 2 ·
Why Does the Recoiling Cannon's Projectile Angle Calculation Seem Incorrect?
- Ara macao
- · Replies 1 ·
How can I find the mechanical energy lost due to friction?
- johny_doe
- · Replies 3 ·
Comparing momentum and kinetic energy for two trucks
- Frank_Horrigan
- · Replies 6 ·
How High Does Block M1 Rise After a Magnetic Repulsion Collision?
- physixnot4me
- · Replies 2 ·
Wat does my teacher want me to do?
- DB
- · Replies 4 ·
Compressible Fluid Thermodynamics
- iridium889
- · Replies 2 ·
Calculating Final Speeds of Pucks A and B After Collision
- imtko2005
- · Replies 1 ·
Floating cylinder in water with simple harmonic motion
- Canuck156
- · Replies 2 ·
Fundamental frequency of a guitar string?
- erik-the-red
- · Replies 1 ·
A passenger rushing to catch a plane at the airport
- Michael B.
- · Replies 2 ·
How High Can Tarzan Swing After Jane Lets Go?
- Pires
- · Replies 1 ·
How Do Series and Parallel Circuits Compare in Current, Power, and Voltage Drop?
- daewoo
- · Replies 1 ·
How Is Final Velocity Calculated from Impulse?
- AdnamaLeigh
- · Replies 3 ·
Pressure Difference Across Airplane Wings
- Ike
- · Replies 1 ·
What Is the Speed of a Block Just Before It Hits a Spring?
- Ike
- · Replies 5 ·
Advanced free body diagram problems with computer calculations
- caddyguy109
- · Replies 36 ·