Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What does magnitude of the force mean?
- HandcuffedKitty
- · Replies 3 ·
Electromagnetic induction and transformer formula help
- tzvu
- · Replies 5 ·
Clueless about electric charges questions;
- Matt Jacques
- · Replies 2 ·
How Do You Calculate Acceleration in Different Scenarios?
- adversary
- · Replies 2 ·
Theres something about gravitational
- ACLerok
- · Replies 2 ·
How Do You Calculate Electric Fields of Spherical Charges Using Gauss's Law?
- eku_girl83
- · Replies 3 ·
Circular motion problem with 0.4 kg mass
- DR33
- · Replies 2 ·
Calculating Work and Kinetic Energy of Jet-Powered Train
- DarkAnt
- · Replies 2 ·
Calculating Tension of Steel Wire at Different Temperatures
- HWManiac
- · Replies 3 ·
How can I solve the problem of circular movement with a 0.4 Kg object?
- DR33
- · Replies 2 ·
Why Is Charge Measured in Nanofarads Instead of Coulombs?
- AngelofMusic
- · Replies 2 ·
Finding the unknown metal in a calorimeter with copper and water
- PrudensOptimus
- · Replies 1 ·
Smallest Argument of Complex Number z |z+8i|=4
- kishtik
- · Replies 2 ·
Electric field in two dimensions
- stunner5000pt
- · Replies 2 ·
Why do I struggle with physics despite excelling in math?
- Kozel
- · Replies 2 ·
Solving Christmas Tree, Ocean, and Triangle Physics Problems
- hyen84
- · Replies 2 ·
Find height of tree from shadow silhouette
- hyen84
- · Replies 2 ·
How high does a projectile go when fired upward at 58.8 m/s for 1.5 seconds?
- KingNothing
- · Replies 8 ·
Stabilizing the Leaves of an Electroscope
- AngelofMusic
- · Replies 2 ·
Statics lever and valve question
- formulajoe
- · Replies 5 ·
Gravitational potential energy of planet
- ACLerok
- · Replies 2 ·
Ohm's law questions: meanings, graphs, and nonlinear conductors
- franz32
- · Replies 2 ·
How Much Ice Melts When a Hot Bullet Hits It?
- PrudensOptimus
- · Replies 5 ·
Man floating with 90% submerged calculating weight in water
- mindhater
- · Replies 2 ·
What is the Equation for Force of Friction?
- paigegail
- · Replies 6 ·
Evaluating Electric Field for the Coloumb Potential
- jlmac2001
- · Replies 5 ·
Hydraulic lift with unequal piston areas and fluid levels
- Juntao
- · Replies 2 ·
Free Response: Skier moving down a slope
- ScoutFCM
- · Replies 2 ·
Volume of ice in a hemispherical polar ice cap
- NanoTech
- · Replies 5 ·
Type(s) of charge distribution for spherical and cylindrical gaussian surfaces
- yanyin
- · Replies 2 ·
Why Does the Elevator's Acceleration Calculation Keep Giving the Wrong Answer?
- um_alim
- · Replies 5 ·
Solving Gauss's Law Problem: Find Electric Field at Point
- eku_girl83
- · Replies 5 ·
Constant vector and cross product?
- jlmac2001
- · Replies 6 ·
Parametric Equation for Surface Area of Revolution
- tandoorichicken
- · Replies 2 ·
Calculating Hydrostatic Force on Dam Plug
- rdn98
- · Replies 2 ·
What Happens to the Sand Bag When Andrew Climbs the Rope?
- svtec
- · Replies 9 ·
Electric field from four charges at corners of a square
- AshleyF708
- · Replies 32 ·
Solving Electric Field Strength at Aircraft in Cloud: 1.03357e8 + 2.64009e9
- Spectre32
- · Replies 3 ·
Charge of a balloon after removing 13000 electrons
- NINHARDCOREFAN
- · Replies 3 ·
Neutral Balloon: Charge After 19000 e- Removed?
- Spectre32
- · Replies 2 ·
Can any one solve these for me ?
- vaastav
- · Replies 2 ·
Conservation of momentum on merry-go-round
- tandoorichicken
- · Replies 2 ·
Finding the total charge of electrons in 2 grams of silver
- Spectre32
- · Replies 13 ·
Volume Ellipse: Find x,a,b Rotation X-Axis
- tandoorichicken
- · Replies 2 ·
Plotting Gradients of Scalar Fields on the Plane
- jlmac2001
- · Replies 5 ·
Showing Lorentz force and velocity are perpendicular with constant magnitudes
- jlmac2001
- · Replies 2 ·
What does operator mean in oscillation equations?
- S.P.P
- · Replies 3 ·
Calculating Power in a Circuit with Resistors - Exam Review Question
- samurai
- · Replies 3 ·
Time at given speed in freefall
- KingNothing
- · Replies 13 ·
What is the Electric Field Magnitude at a Charged Ball's Position?
- Zypheron
- · Replies 2 ·
Find Magnitude of Force at Origin from 4 Charges
- NINHARDCOREFAN
- · Replies 5 ·
Deriving an equation for the density of air
- sickboy
- · Replies 1 ·
How Does a Mass Attached to a Spring Behave on an Inclined Frictionless Surface?
- moham_87
- · Replies 2 ·
Solve Exponential Growth Problem: US Population Doubling Time
- Banana
- · Replies 2 ·
Merry Go Round Kid Jumps on find the work
- SteveoFitz
- · Replies 7 ·
Does the water level rise when a boat sinks in a canal lock?
- geoffroy6885
- · Replies 2 ·
Exponential Decay: Solving with Radioactive Half-Lives
- chroot
- · Replies 2 ·
Integrability of a step function
- stunner5000pt
- · Replies 4 ·
Exam Review Questions: Work, Kinetic Energy, Acceleration, and Impulse
- samurai
- · Replies 2 ·
Finding Maximum Range R for Jumping from Cliff: Mechanics Question
- Ed Quanta
- · Replies 2 ·
How to Calculate the Speed of a Charge Without Knowing Its Mass?
- KingJaymz
- · Replies 8 ·
Energy and a Frictional Incline
- samurai
- · Replies 3 ·
What Does [N30.0'E] Indicate in Navigation Terms?
- ronaldo_8
- · Replies 2 ·
How Do You Calculate the Resultant Force and Its Direction from Two Vectors?
- freespirit
- · Replies 2 ·
What are moment of inertia, mass moment of inertia, and radius of gyration?
- ShawnD
- · Replies 2 ·
How Do You Calculate Acceleration of Multiple Connected Blocks?
- matajone
- · Replies 6 ·
Calculating Resultant Force Magnitude and Direction Angle
- freespirit
- · Replies 3 ·
Fat hydrocarbon chains question
- gotzmlk
- · Replies 2 ·
Finding the resultant of vectors C and D from components
- NanoTech
- · Replies 2 ·
Cauchy-Schwarz inequality proof for 2D vectors
- faust9
- · Replies 4 ·
Friction and acceleration of M1 on M2 with M2 on the ground
- HW_unlimited
- · Replies 2 ·
Acceleration due to gravity
- ACLerok
- · Replies 7 ·
Range of Tennis Ball Thrown from Ground: 15 m/s
- DR33
- · Replies 5 ·
Calculating Distance and Acceleration in Circular Motion of Two Cyclists
- jjiimmyy101
- · Replies 4 ·
Magnetic flux and EMF from a current-carrying wire through a square loop
- student1938
- · Replies 2 ·
Correct Solution to the Differential Equation?
- mcintyre_ie
- · Replies 3 ·
Proving differentiable functions form a vector space
- astral
- · Replies 13 ·
Entropy increase vs. 1st law, toboggan work, and elevator work
- DaFreestyle
- · Replies 3 ·
Are Electric and Magnetic Fields Always Perpendicular?
- janrain
- · Replies 3 ·
Electrodynamics problem(Lenz' s Law)
- student1938
- · Replies 15 ·
Help needed for a physics project
- rob_taylor
- · Replies 4 ·
When will a hemlock and blue spruce tree be the same height?
- jojonea
- · Replies 5 ·
Why Do Closed Pipes Not Produce Even Numbered Harmonics?
- nina
- · Replies 10 ·
Wave interference from 2 point source
- Kinto
- · Replies 2 ·
Finding Cable Tension Components with Given Angles
- formulajoe
- · Replies 13 ·
Model Rocket Launch: Acceleration and Maximum Height Calculations
- dorthod
- · Replies 3 ·
How Many Electrons in a High-Speed Beam at Stanford Linear Accelerator?
- nautica
- · Replies 2 ·
Calculating the Wattage Usage of a 60-Watt Light Bulb in Three Hours
- marshall4
- · Replies 8 ·
AS Sensor Coursework Ideas: Spinning Disc and Phototransistor Setup
- richMMIV
- · Replies 4 ·
How do I calculate the volume of a spherical slice using integration?
- tandoorichicken
- · Replies 3 ·
Constructing a Vehicle Powered by a Rubber Band:
- atticus_grey
- · Replies 6 ·
Finding the Final Speed of a Golf Ball Projected at an Angle
- Ihsahn
- · Replies 7 ·
Deflection of an Electron and Capacitor problems
- Moxin
- · Replies 4 ·
Understanding Vector Quantities and Projections: Answers to Common Questions
- jlmac2001
- · Replies 2 ·
Finding equilibrium point for charge Q between two charges q1 and q2
- kashmirekat
- · Replies 6 ·
Momentum in different directions
- diciccod
- · Replies 4 ·
Physics racing velocity problem
- newton1
- · Replies 5 ·
What Angle and Timing Adjustments Allow Two Thrown Snowballs to Collide?
- svtec
- · Replies 4 ·