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 volume of a diver's air bubble at the surface of the sea?
- dave2945
- · Replies 9 ·
Solving the Puzzle of the Suspended Brick
- trueblue
- · Replies 2 ·
What is the magnitude of charge inside the box
- eltel2910
- · Replies 4 ·
Calculating the wavelength for series limit for the Paschen series
- vanabariel42
- · Replies 6 ·
Finding a counterfeit coin among 12 with a balance scale in 3 weighings
- SchoolBoyDJ
- · Replies 6 ·
Circular Motion Problems and Solutions
- asteg123
- · Replies 7 ·
Can a particle have zero acceleration when its velocity is zero?
- mini_smurf13
- · Replies 3 ·
How Fast Do Protons Travel in a Tevatron Accelerator?
- EbolaPox
- · Replies 1 ·
How long does a braking train block a crossing?
- BunDa4Th
- · Replies 9 ·
How much does quality change in tank A when R-12 vapor flows to an evacuated tank B?
- fishinbs
- · Replies 1 ·
Truck average velocity with three motion phases and Cessna takeoff acceleration
- wtf_albino
- · Replies 2 ·
What is the surface charge density of the plane?
- jm21
- · Replies 2 ·
Why do rolling objects lose so much energy?
- In_Development
- · Replies 1 ·
Can a radioactive element decay by emitting more than 1 particles at once?
- matthew77ask
- · Replies 1 ·
Truck slowing from unknown speed over 40 m to 2.05 m/s
- BunDa4Th
- · Replies 3 ·
Particle's maximum height in liquid
- fullerene
- · Replies 5 ·
Spring scale reading with upward force and hanging mass
- matthew77ask
- · Replies 16 ·
Calculating Rocket Velocity with External Forces
- MathematicalPhysicist
- · Replies 8 ·
Calculating Displacement and Velocity of a Speedboat | Physics Problem Solved
- Joules23
- · Replies 15 ·
How to Calculate the Force Needed to Move a Roller Over an Obstacle?
- John O' Meara
- · Replies 4 ·
Question re: constant velocity,zero acceleration
- studentmom
- · Replies 2 ·
How to solve this physics problem
- drh
- · Replies 1 ·
What is the arrangement of net gravitational force on a particle labeled m?
- duoshock
- · Replies 2 ·
Do two 5psi water pipes meeting at a tee increase exit pressure?
- Idea04
- · Replies 1 ·
Converting 286.6 mm, 760 mg, and 60.0 ps to other units
- BunnyHanyou
- · Replies 4 ·
Difference between speed and celerity?
- mohlam12
- · Replies 2 ·
How Do You Calculate Initial Velocity for Vertical Motion?
- Joules23
- · Replies 6 ·
Mirror image approach speed and mixing water to target temperature
- mohlam12
- · Replies 6 ·
Galvanometer to Voltmeter Question
- physics_girl
- · Replies 6 ·
About a screw (circular motion)
- fara0815
- · Replies 5 ·
Gravitational Fields - is this the right way to solve it?
- fabbo
- · Replies 3 ·
What Converts Energy into Sound and Electricity?
- brandong
- · Replies 10 ·
How many cubic centimetres are in a cubic metre?
- Emmi
- · Replies 1 ·
Power in 6.0 Ohm Resistor - Circuit Related Q
- MD2000
- · Replies 5 ·
Calculating Flash Frequency in a Simple Blinking Light Circuit with Neon Lamp
- jg95ae
- · Replies 13 ·
Significant Figures: How to Properly Round Numbers
- qwsdcnjkio
- · Replies 2 ·
Help with 8 kinematics problems for homework due tomorrow
- Chutzpah
- · Replies 4 ·
F’r=50 Nsin 23.53F’r=14.07 NSolving Fr with Law of Sines
- wku_tops
- · Replies 4 ·
Determine the vertical components of the launch velocity
- blrdey
- · Replies 6 ·
How Does Muzzle Velocity Affect Bullet Trajectory?
- glasgowm
- · Replies 1 ·
Physics For Scientists And Engineers 6E By Serway And Jewett problem solution
- PPonte
- · Replies 3 ·
How far does he run during the acceleration phase?
- dvbballgurl11
- · Replies 5 ·
SLORWhat is the first derivative of a sinusoidal function?
- music_man05
- · Replies 4 ·
Electric field from charged disk and infinite plane problems
- DetroitDJ
- · Replies 1 ·
Setting up acceleration problem
- dvbballgurl11
- · Replies 7 ·
Point source of light beneath water.
- Beeza
- · Replies 2 ·
How Do You Solve the Hockey Players' Catch-Up Problem Using Quadratic Equations?
- raider902
- · Replies 2 ·
Number of atoms that fill fit into 1cm^3
- paulhunn
- · Replies 5 ·
How Do I Solve These Algebra Problems About a Propelled Object?
- RubyRed
- · Replies 6 ·
Basic Kinetics Question [Secondary]
- glasgowm
- · Replies 8 ·
Calculating Electric Field for Three Point Charges on Y-Axis
- indigojoker
- · Replies 18 ·
Conical Pendulum Problem -Right Way of Solving?
- webren
- · Replies 4 ·
Average acceleration of an object
- physics newb
- · Replies 7 ·
Forces acting on charged oil drops
- burno_06
- · Replies 7 ·
The least constant acceleration
- physics newb
- · Replies 6 ·
Does a Light Bulb's Current and Voltage Follow Ohm's Law?
- gr3g1
- · Replies 4 ·
What are the average speeds and velocities of two hikers taking different paths?
- blinkeaf182
- · Replies 5 ·
Constant Acceleration of a train
- rogerhughston
- · Replies 2 ·
How Do You Calculate Percentage Error in Period Measurements?
- cowking
- · Replies 6 ·
How Fast Does Mercury Travel Around the Sun?
- trajan22
- · Replies 1 ·
Solve Distance Question: Cheetah vs. Antelope
- Asteldoth
- · Replies 4 ·
What is Sabrina's position and velocity relative to Lauren?
- ktshad
- · Replies 3 ·
Speed of light; distance from earth to sun
- lonelyassassin
- · Replies 3 ·
How long does a kangaroo stay in the air jumping 2.7 m high?
- 888
- · Replies 16 ·
Circular motion of a loop-the-loop machine
- busted
- · Replies 3 ·
Algebra Question: Finding Distance When a Train and Car Meet
- mikefitz
- · Replies 3 ·
Rotating water forms a parabola - why?
- JTressy
- · Replies 5 ·
Will the Field Goal Attempt Clear the Uprights?
- Ready2GoXtr
- · Replies 7 ·
BJT systems and circuits for assignment
- rainie
- · Replies 3 ·
Volume of water rainfall problem
- theshark1019
- · Replies 14 ·
Find the Forces in a Hinged Ladder System | Torque Ladder Question
- John O' Meara
- · Replies 5 ·
Speed of Body After 2.06s with -3.93 m/s2 Acceleration
- krazykaci
- · Replies 10 ·
Finding resultant when a vector lies on the negative x-axis
- sweetdaisy186
- · Replies 10 ·
Calculating Drop Time from 105m in a Helicopter
- marsh
- · Replies 6 ·
Solving the Vertical Throwing Object on Moon vs Earth Gravity
- emma123
- · Replies 13 ·
Tetherball rope tension and pole force
- jnolan
- · Replies 2 ·
Net force on charged particles at square corners
- KyoPhan
- · Replies 4 ·
A ping-pong ball attached to a string in a jar of water
- duoshock
- · Replies 2 ·
Calculating Angular Acceleration of a Rolling Cylinder on an Incline
- Truls
- · Replies 2 ·
LED battery circuit needing 250mAh at 4.5v for 504 hours
- adc85
- · Replies 6 ·
Car roll on a 24-degree banked turn at 160 mph
- Pepsi24chevy
- · Replies 4 ·
How Much Work is Needed to Pull a Skier Up a Slope?
- kmart47
- · Replies 1 ·
Finding Maximum Height in a Projectile Trajectory
- hakojackie
- · Replies 9 ·
Calculating Horizontal Projectile Displacement and Speed
- hakojackie
- · Replies 3 ·
Two charged spheres repel (attached to strings)
- FrogPad
- · Replies 1 ·
Ball thrown upward: finding max height above window
- UCrazyBeautifulU
- · Replies 10 ·
One-Dimensional Kinematics: Speed and Velocity
- Soaring Crane
- · Replies 2 ·
Deceleration when jumping 2.07 m and bending legs 0.510 m
- UCrazyBeautifulU
- · Replies 8 ·
Just joined, not expecting answer to question just how to do it
- Ready2GoXtr
- · Replies 10 ·
How Do You Solve Basic Electric Field Problems?
- sakrei
- · Replies 1 ·
AS Physics course on units help
- ben-newton
- · Replies 2 ·
How Strong is the Stopping Force for a 1.5×10^4 N Car?
- bearhug
- · Replies 1 ·
Projectile problem with no angles
- bearhug
- · Replies 2 ·
Does a dropped watch hit the ground at the same time as a horizontal arrow?
- Sabres151
- · Replies 4 ·
Verifying Electrostatic Charges: Q and q
- czaitz
- · Replies 3 ·
How Do You Calculate Pressure at the Bottom of a Partially Filled Water Tank?
- dunny
- · Replies 1 ·
Electric Potential of Two Spheres
- boderam
- · Replies 2 ·
Electric Flux through the semisphere
- YoungILoveYou
- · Replies 3 ·
Drunken student (circula motion)
- fara0815
- · Replies 9 ·