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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FORCE, MASS and ACCELERATION CONCEPTUAL QUESTION
- kirsten_2009
- · Replies 10 ·
How Do You Calculate the Magnetic Field of a Cylinder Magnet in a Coil?
- RoscoeSlash
- · Replies 2 ·
Calculating Initial Energy Level for Emitted Photons
- oldspice1212
- · Replies 23 ·
Newton's laws during a tug of war
- Kindyl
- · Replies 5 ·
Mass-to-Charge Ratio of an Ion in Mass Spectrometer
- camel-man
- · Replies 1 ·
Height of cliff using energy and speed of sound
- toothpaste666
- · Replies 4 ·
Simple pendulum: finding length, displacement in meters, velocity, and restoring force
- toothpaste666
- · Replies 7 ·
What is the Solution to the Retarding Force Problem?
- skeer
- · Replies 4 ·
Linear polarization in a glass prism
- Hatmpatn
- · Replies 3 ·
Locomotive accelerates 34-car train
- Fetch
- · Replies 15 ·
Does Turning on a Fan Affect Room Temperature?
- teme92
- · Replies 9 ·
When does the plate of glass loosen from a glass cylinder in water?
- justduy
- · Replies 5 ·
Why is friction negative when a force rolls a wheel?
- Lord Anoobis
- · Replies 10 ·
Calculate Thickness of Oak Layer to Limit Heat Loss to 740kJ/hr in Door
- Tonyuguccioni
- · Replies 4 ·
Conservation of momentum/energy in a two particle system
- ghostfolk
- · Replies 2 ·
Mass in a satellite changes orbit
- Karol
- · Replies 1 ·
Solving the Elevator Problem: Weight Measurement
- logan3
- · Replies 5 ·
Elementary Mechanics Special Lab Project
- paalfis
- · Replies 3 ·
How Do You Calculate the Phase Constant φ from a Wave Displacement Graph?
- jhans11
- · Replies 3 ·
Finding electric field from linear charge distribution at large distance
- FlyingButtress
- · Replies 3 ·
How Do You Calculate Current and Phase Angle in AC Circuits with Missing Data?
- Fyr554
- · Replies 3 ·
Normal Force and Coefficient of Kinetic Friction
- gcombina
- · Replies 12 ·
How Does Electron Shape Affect Electric Field Energy?
- mintsnapple
- · Replies 3 ·
Thermodynamics radiation problem
- composyte
- · Replies 5 ·
What Prevents a Bike from Sliding on a Friction-less Banked Track?
- Jimmy87
- · Replies 4 ·
Does enthalpy equal heat at constant volume?
- Hereformore
- · Replies 3 ·
Solving a Flight Time with Wind: What to Calculate?
- HTT
- · Replies 4 ·
Atwood machine with masses attached to a movable pulley axle
- NATURE.M
- · Replies 14 ·
Electric field direction when solving system?
- Kavorka
- · Replies 2 ·
What is the maximum energy that the electron can obtain?
- MrPunk44
- · Replies 1 ·
Deriving the electron speed from a specified orbital
- jason0294
- · Replies 1 ·
How High and Far Does the Skateboarder Travel?
- Physicsnoob90
- · Replies 6 ·
X and y components of initial velocity
- Jaco Leo
- · Replies 15 ·
Problem with a Differential in a Non Inertial System.
- paalfis
- · Replies 6 ·
2d motion range , find angle (Really simple, not sure what I'm missing)
- Chas3down
- · Replies 3 ·
Conservation of energy: mass-spring system
- Avery Woodbury
- · Replies 1 ·
Electrostatic Potential in a Box
- azupol
- · Replies 1 ·
Show the potential obeys Poisson's Equation
- azupol
- · Replies 7 ·
RC Circuit with alternating voltage source
- sun18
- · Replies 2 ·
Adding Vectors with Given Lengths and Angle: A Basic Vector Problem
- OrigamiCaptain
- · Replies 4 ·
Kinematics Acceleration question
- Amad27
- · Replies 13 ·
Conceptual question - block and incline
- deedsy
- · Replies 7 ·
How Do I Calculate the Volume of a Hole in a Metal Piece?
- Redinorun
- · Replies 10 ·
Torque from pendulum bob weight with vertical distance 40 cm
- FaroukYasser
- · Replies 1 ·
How long will it take cars to overtake?
- Amad27
- · Replies 6 ·
Tensions, forces, and moments for an A-Frame crane
- x86
- · Replies 5 ·
Moments of inertia using parallel axis theorem
- TheRedDevil18
- · Replies 2 ·
What are the Miller Indices for a Plane with an Outside Cube Interception?
- TheRedDevil18
- · Replies 2 ·
What Is the Speed of Waves on a Guitar String?
- toothpaste666
- · Replies 3 ·
Satellite in orbit losing speed
- Karol
- · Replies 4 ·
Programming a Projectile Motion Question
- defiledx
- · Replies 8 ·
How to Maximize the Height in a Newton's Cradle with Unequal Masses?
- Dinheiro
- · Replies 5 ·
Two masses connected by strings on an incline
- David Mordigal
- · Replies 2 ·
Spring launched box sliding over friction surface
- Yae Miteo
- · Replies 2 ·
How Do You Calculate Power Absorbed by a Resistor in a Circuit?
- homo-sapiens
- · Replies 5 ·
Biomechanics Biceps Problem - Classical Mechanics (Moment Arms/Forces)
- sKyHigh
- · Replies 8 ·
Vapor Pressure vs Atmospheric Pressure
- Hereformore
- · Replies 2 ·
Forces between charged particles
- PyMaster
- · Replies 1 ·
Why can you integrate voltage directly for E-field in a ring?
- AGGENGR
- · Replies 6 ·
Deriving the ground state energy of a hydrogen atom?
- 21joanna12
- · Replies 5 ·
Calculate the Electric Field at the given point
- PyMaster
- · Replies 1 ·
Two Balls Drop, what happens to the distance?
- Amad27
- · Replies 9 ·
Calculating Work by Tension on Masses
- Yae Miteo
- · Replies 22 ·
Classic mechanics problem:two masses with a wedge
- asdff529
- · Replies 3 ·
How Can the Anchorman of Team A Win Despite a Lead by Team B in a 400-m Relay?
- Amad27
- · Replies 17 ·
Block on wedge which is not fixed.Find minimum μ to keep the wedge at rest.
- Satvik Pandey
- · Replies 16 ·
Spring with 100g and 200g weights stretches 1cm and 2cm
- Ward_edojawa
- · Replies 21 ·
Center of Mass and Motion of a Wedge-Mass System
- ghostfolk
- · Replies 1 ·
Heat transfer calculation problem
- KurtWagner
- · Replies 4 ·
Ideal gas temperature/pressure/volume problem
- colbyrandell
- · Replies 1 ·
Given a force equation and mass, find velocity
- gwhite00
- · Replies 2 ·
Stumped on a box on cart action/reaction pair question
- KrazySocoKid
- · Replies 13 ·
What Is the Electron's Momentum After Compton Scattering?
- oldspice1212
- · Replies 4 ·
Acceleration and friction force problem
- AlexPilk
- · Replies 3 ·
Help with projectile motion equations and initial conditions
- Phunee
- · Replies 2 ·
Frustrated with Adiabatic compression problem
- sfgoat
- · Replies 1 ·
Thermodynamics Interesting Entropy Problem
- aerograce
- · Replies 6 ·
An alpha particle is at rest at the origin of a Cartesian coordinate system
- wannabee_engi
- · Replies 9 ·
Net force on falling person over braking distance
- jg871
- · Replies 15 ·
Question with Three Thin Lenses Calculating for Final Image Distance
- Temp0
- · Replies 3 ·
Calculating Work on a Moving Crate with an Inclined Rope
- trikat
- · Replies 5 ·
Waves in opposite directions in a wire
- Karol
- · Replies 3 ·
Interference and Diffraction
- pHysicsN0OB
- · Replies 1 ·
Calculating Net Force and Direction of Barge Movement with Vector and Forces"
- Natalie7268
- · Replies 2 ·
How to improve at vector problems before a physics test
- jg871
- · Replies 8 ·
What is the Instantaneous Velocity Question and How to Solve It?
- Jane W
- · Replies 2 ·
What is the distance the child flies after the rope is cut?
- Daniel95
- · Replies 12 ·
How Do You Calculate the Focal Length of a Telescope's Objective?
- djerry
- · Replies 2 ·
Car A is starting from rest and accelerating at 4.0 m/s^2, car B passes it
- dasz
- · Replies 1 ·
Finding forces for connected boxes moving at constant speed
- HTT
- · Replies 2 ·
Why Does the Observed Frequency Increase When a Galaxy Approaches?
- djerry
- · Replies 6 ·
Why Are the Two Angles Labeled Theta Equal?
- xatu
- · Replies 8 ·
Questions about the formula for acceleration
- Crovati
- · Replies 4 ·
How Fast Was the Car Moving When It Hit the Van?
- Jacob Huskisson
- · Replies 1 ·
Energy Conservation and Coefficient of Restitution
- B3NR4Y
- · Replies 3 ·
How much longer can track 2 be if runner 1 is still faster?
- Beer w/Straw
- · Replies 20 ·
Inclined throw in a vertical loop
- Karol
- · Replies 3 ·
Find Acceleration of Block M in Figure with Mass m at 0.8R
- homo-sapiens
- · Replies 6 ·
What does it mean to normalize a wave function?
- arcoon
- · Replies 1 ·
Spherically symmetric charge density
- renegade05
- · Replies 1 ·