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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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 ·
Trouble with Proof of Optimal Launch Angle
- stoffer
- · Replies 2 ·
How Far Does the Spring Compress When a 20 kg Mass Slides Down an Incline?
- accc
- · Replies 4 ·
Kinetic energy of two colliding asteroids from gravitational potential energy
- rdn98
- · Replies 2 ·
Newton's Laws Questions: Understanding Deceleration and Resistance
- Auron87
- · Replies 2 ·
Downward acceleration greater than g
- mmfoley
- · Replies 5 ·
Calculating Earth's Greenhouse Gas Absorption
- Brad_Ad23
- · Replies 4 ·
Solving ε1jk without summation notation
- jlmac2001
- · Replies 6 ·
Force in connected tubes with unequal water heights
- Rockdog
- · Replies 3 ·
Permutations of n taken r at a time
- PiRsq
- · Replies 5 ·