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 Does Submarine Buoyancy Affect Its Movement and Stability?
- sirclash
- · Replies 2 ·
Electric Forces and Fields questions,
- WGman
- · Replies 3 ·
Can you create gravity in space? Also a question on space debris
- flyingpig
- · Replies 8 ·
What Are the Reaction Forces in These Physics Diagrams?
- Knight226
- · Replies 1 ·
Angular Velocity On Pulley After Variable Force
- Jshumate
- · Replies 3 ·
Average velocity with a relay race
- kx250f341
- · Replies 4 ·
Calculating work for a weightlifter.
- tbarnet7
- · Replies 3 ·
How Can a Cart Maintain Constant Velocity Down a Slope?
- phy124
- · Replies 8 ·
How to Calculate Equivalent Resistance in a Series-Parallel Circuit
- arl146
- · Replies 13 ·
Little help with Projectile Motion problem
- sun2k4
- · Replies 3 ·
Calculating Body Projection: Time, Height & Range
- ProPM
- · Replies 1 ·
Tension and acceleration, one floating block, one sliding
- jstep
- · Replies 1 ·
Child walking across frozen pond (friction involved)
- aeromat
- · Replies 2 ·
What is the mass of the black hole orbiting the Milky Way?
- aeromat
- · Replies 16 ·
Solve Resistance Question w/Kirchhoff's Laws & Ohm's Law
- imagemania
- · Replies 3 ·
Refraction, Diffraction, or Interference?
- Menagerie4
- · Replies 1 ·
RLC Circuit Find inductance and capacitance
- dfs730
- · Replies 11 ·
AC Power RC series circuit low pass filter, find frequency given gain.
- dfs730
- · Replies 1 ·
The Answer: Solutions to Array of Capacitors Homework
- GrantB
- · Replies 2 ·
Coulomb's Law: Determining the velocity of a charge when far apart
- lilpoopoo
- · Replies 8 ·
Calculating Projectile Speed for Takeoff & Landing Ramps
- Applesauce2
- · Replies 2 ·
What Is the Maximum Acceleration of an Empire State Building Elevator?
- pdonovan
- · Replies 2 ·
As the ball roles down the hill
- madmarwick
- · Replies 4 ·
What is the minimum work needed to cool an object using a carnot refrigerator?
- Runaway
- · Replies 4 ·
How Do Classical and Modern Physics View Gravity?
- abejackson
- · Replies 3 ·
Can N < mg in road banking calculations?
- mike168
- · Replies 2 ·
Velocity distribution functions, find rms velocity
- fahmed93
- · Replies 3 ·
What is the Induced Current in a Time-Varying Magnetic Field?
- Havoc0040
- · Replies 1 ·
How Does Switching Impact Current Flow in an RL Circuit?
- Havoc0040
- · Replies 3 ·
Analyzing Gain Curve for 741 Op-Amp
- maherelharake
- · Replies 13 ·
How in the world did I get the right answer? I am scared
- flyingpig
- · Replies 30 ·
Find Thevenin Equiv. at a-b in Circuit Below
- VinnyCee
- · Replies 4 ·
Bullet shot underwater where do the bubbles come from?
- ExNihilo
- · Replies 10 ·
Thermometers- calculate the centigrade temperature
- Scarlet_pat
- · Replies 17 ·
Help Joanne Solve Cable System Tension Issues
- bradycat
- · Replies 3 ·
What is the explanation for the varying weight readings in an elevator going up?
- zellster87
- · Replies 4 ·
Mean free path and collision cross section
- Etox
- · Replies 3 ·
Equivalent Spring Constant in Series and Parallel Configurations
- Abhishekdas
- · Replies 15 ·
Finding Centre of Mass of a Chain
- Grand
- · Replies 5 ·
Shape of Minimum Moment of Inertia for Fixed Volume: How to Prove?
- Grand
- · Replies 2 ·
Why Does a Passenger Continue Moving Forward When a Car Stops Suddenly?
- quark001
- · Replies 11 ·
Electrostatic force between a charged ring and charged rod.
- qpham26
- · Replies 1 ·
Finding Derivatives for Bicycle Trajectory Plot in 2D
- twowheelsbg
- · Replies 2 ·
Calculating Work on a Slope with Friction Coefficient of 0.2
- fsxadder
- · Replies 9 ·
Atwood machine rope tension problem
- Freeq
- · Replies 8 ·
Amusement park ride rotating about y.axis
- aeromat
- · Replies 6 ·
Trebuchet Energy Conservation Problem Solution Explanation
- RCB
- · Replies 15 ·
Average velocity problem~From Jay Orear book.
- Biggy_G
- · Replies 5 ·
The field just outside a metal ball
- Hooke's Law
- · Replies 1 ·
How Do You Calculate Induced Current in a Varying Magnetic Field?
- Havoc0040
- · Replies 2 ·
Projectile trajectory - Trebuchet
- Ruddie
- · Replies 1 ·
One mass strikes and sticks to another mass atatched to a spring
- loganblacke
- · Replies 4 ·
Calculating electric field at a certain point in space
- tobywashere
- · Replies 3 ·
Calculating Work Done by Gravitational Force: Undergrad Homework Help
- janthony
- · Replies 3 ·
Finding the force balancing a weight
- jsmith613
- · Replies 6 ·
Solving Series Capacitors: C1 & C2 Charge & Voltage
- Linus Pauling
- · Replies 11 ·
Time period of Mass attached to 3 springs
- Smarty7
- · Replies 4 ·
Solve Latent Heat Problem: Mass of Injected Steam
- dolerka
- · Replies 1 ·
Carnot cycles in thermodynamics
- ndavis
- · Replies 1 ·
Problem with relativistic doppler?
- Piyu
- · Replies 3 ·
What are the Dynamics of Friction in a Mass on a Level Surface?
- dwalker19
- · Replies 1 ·
Finding Work and Power in a Traffic Junction
- herbgriffin
- · Replies 1 ·
Standing sound waves created in a pipe, question about resonances
- helpmeplz!
- · Replies 1 ·
How Do Point Charges Affect Force on a Charge Along the X-axis?
- wingit132
- · Replies 1 ·
How can I solve this basic velocity problem involving a thrown ball?
- dwalker19
- · Replies 1 ·
Does this even make sense? Measuring voltage of a capacitor
- flyingpig
- · Replies 42 ·
Solve Friction & Pulley Problem: Acceleration of Blocks
- metallica007
- · Replies 1 ·
Calculating Coefficient of Friction for a Coin on a Turntable
- atmega-ist
- · Replies 3 ·
How Do You Calculate Forces on a Box Pulled at an Angle?
- aeromat
- · Replies 12 ·
What does this mean? I don't understand separated again
- flyingpig
- · Replies 13 ·
Frictional Force Homework: Answer B
- chawki
- · Replies 4 ·
Can anyone explain more for me Newton's 3rd Law of Motion?
- zeo2396
- · Replies 3 ·
How Fast is the Shoe Moving Before It Hits the Spring?
- fernancb
- · Replies 1 ·
Is Gravity Not a Force in General Relativity?
- cary5
- · Replies 8 ·
Can voltage appear out of the blue?
- flyingpig
- · Replies 10 ·
Go Kart Motion: Velocity Time Diagram for Hill Coasting
- davie08
- · Replies 9 ·
Calculating Rocket Speed and Spring Compression | Physics Homework Problem
- turtledove
- · Replies 4 ·
What is the distance between the astronaut and the satellite after 1.0 min?
- Patdon10
- · Replies 2 ·
Fusion Reaction of Hydrogen and Deuterium into Helium
- ankitgu
- · Replies 1 ·
A Horse Pulls a Barge in a River; What is the force of the water on the Barge?
- emmy
- · Replies 15 ·
Capacitor Network: Potential Difference and Charge?
- gmmstr827
- · Replies 12 ·
How is Average Velocity Calculated for a Two-Part Journey?
- kx250f341
- · Replies 3 ·
Deriving First Law of Thermo Equations
- mortalapeman
- · Replies 3 ·
What is the Uncertainty in the Wavelength of Emitted Photon?
- erok81
- · Replies 5 ·
Problem on work done in thermodynamics
- duntpwnme
- · Replies 1 ·
Velocity and frequency of standing waves, number of nodes
- maiamorbific
- · Replies 1 ·
What is the Magnitude of Total Acceleration at Point A?
- smashbrohamme
- · Replies 1 ·
How Is Capacitance Calculated in a Cloud-to-Ground Model?
- Badrakhandama
- · Replies 2 ·
Potential of a point from charged rod.
- Piyu
- · Replies 2 ·
Verify Solution to Homework Problem
- Help1212
- · Replies 5 ·
Work to move charge to infinity problem
- awertag
- · Replies 12 ·
Charge on 4 capacitors in parallel then series
- neshepard
- · Replies 3 ·
Work to move charge to infinity?
- awertag
- · Replies 2 ·
Calculating Average Power LCR series circuit
- steejk
- · Replies 4 ·
Electric field when there are 3 charges
- awertag
- · Replies 5 ·
Calculate velocity when time is equal
- PhysicsAdvice
- · Replies 4 ·
How long it takes for the ice block to hit the ground
- chawki
- · Replies 11 ·
How can you determine instantaneous velocity from a position-time graph?
- chiwen1
- · Replies 2 ·
Carnot Heat Pumps: Solving |Q_c|/|Q_h|=T_c/T_h Equation
- frankwilson
- · Replies 2 ·
Electric Field Strength Inside a Cylindrical Non-conductor
- clementc
- · Replies 4 ·