Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Trouble finding Fnet without a known mass for an acceleration. Please assist.
- *sperry*
- · Replies 1 ·
Find mass given acceleration and upward force
- zonesthesia93
- · Replies 1 ·
Inelastic Collisions and ratio of their masses
- sleepingarmy
- · Replies 2 ·
What Is the Electric Field Strength in a Glass Sphere with a Point Charge?
- Lunar_Lander
- · Replies 3 ·
Analyzing Torque on a Racecar: Solving for Normal Reactions on a Circular Track
- eptheta
- · Replies 5 ·
Acceleration of the center of mass
- sodaboy7
- · Replies 14 ·
Spring length hanging down and horizontal
- dav1d
- · Replies 5 ·
Is Energy Lost When a Liquid Vaporizes and Gained When a Gas Condenses?
- jackcie
- · Replies 2 ·
How Do You Calculate Tension and Work for a Sledge Pulled at an Angle?
- cjknowland
- · Replies 5 ·
Perpendicular force required to stop an object, with respect to friction
- DanielAudi
- · Replies 1 ·
Fastest velocity possible for a 90 degree turn
- Acetone
- · Replies 12 ·
How Do Forces on a Balance Change When a Man Throws a Ball?
- Tosh5457
- · Replies 1 ·
Finding displacement with coefficient of friction, mass and velocity
- Serendipitydo
- · Replies 4 ·
How Do You Determine the Location and Resistance of a Twig on a Telephone Line?
- aguycalledwil
- · Replies 8 ·
How Does Mass Affect Static Friction on Different Sized Balls on a Ramp?
- marshall4
- · Replies 7 ·
Roational Mechanics of Helicopter Blades
- Zyxer22
- · Replies 4 ·
What is the Explanation for Inelastic Collisions in Physics?
- omkhan95
- · Replies 1 ·
A Question About Buoyancy Force (I Think My Teacher Is Wrong)
- cnoa
- · Replies 1 ·
Effective Resistance of a circuit
- logearav
- · Replies 2 ·
Are the Radii R1 and R2 of a Lens Always the Same?
- logearav
- · Replies 3 ·
Breaking the Sound Barrier: Calculating Time and Thrust of a Rocket Launch
- DKphysics
- · Replies 6 ·
Why does a CD player operate at 24V not 240V
- AHUGEMUSHROOM
- · Replies 7 ·
Calculating Momentum Impulse During Thunderstorm
- chessmath
- · Replies 1 ·
Uniform circular motion question
- Miike012
- · Replies 4 ·
Energy and gravitation problem
- NewtonianAlch
- · Replies 4 ·
Find the power of a boat that accelerated
- jehan4141
- · Replies 3 ·
How can I solve for the mass and radius in this uniform circular motion problem?
- ajcairns1980
- · Replies 1 ·
Can someone help me on a Relative Motion physics Question?
- azngirl92
- · Replies 1 ·
Solving for net flux, given x- and y- components of electric field, E
- Lemon-Sam
- · Replies 2 ·
Tangential and Radial acceleration - Sin and Cos simple question
- nukeman
- · Replies 1 ·
Work, power, acceleration problem
- jehan4141
- · Replies 2 ·
Linear differential equations: source term constant
- Morphheus
- · Replies 3 ·
QUICK calculation help - Why is my equation not giving right answer? Thanks
- nukeman
- · Replies 1 ·
Calculating theta(t): Mass, M & B Variables
- GreenPrint
- · Replies 2 ·
Solving a Plane's Delivery Challenge: Dropping the Package at the Right Spot!
- amd123
- · Replies 14 ·
Fun Physics/Calculus Problem
- rohit_patel
- · Replies 2 ·
Help with Difficult Physics Homework Problem
- dimpledur
- · Replies 1 ·
Average Power of a Car: How to Calculate and Understand It
- eshock202
- · Replies 2 ·
Calculating Kinetic Energy with Rotational Motion
- embudini
- · Replies 3 ·
Determing Resistance of metal with temperature coefficient of resistance
- eximius
- · Replies 1 ·
Energy stored in electric field
- Fluorescent
- · Replies 3 ·
What is the significance of torque angle in screw applications?
- rabble21
- · Replies 1 ·
Force done by the spring if a weight is attached
- dav1d
- · Replies 4 ·
How Do You Calculate the Acceleration of a Mass in a Pulley System?
- rk2658
- · Replies 3 ·
Motional EMF (direction of moving bar)
- sandy.bridge
- · Replies 3 ·
Solving an Electric Field Due to an Infinite Cylinder
- TrolliOlli
- · Replies 5 ·
I dont understand how to find the work done
- snash1057
- · Replies 3 ·
Angle of Deflection of an electron in an magnetic field
- Lunar_Lander
- · Replies 4 ·
How Do You Correctly Calculate the Electric Field Under a Thundercloud?
- nathangrand
- · Replies 5 ·
How Do You Calculate the New Angular Speed of Coupled Wheels?
- 1MileCrash
- · Replies 2 ·
Displacement of spring of a block going down an incline
- joedango
- · Replies 1 ·
How Do You Calculate Electric Fields and Forces Between Charged Rods?
- acedeno
- · Replies 7 ·
Test whether constant incline is constant acceleration
- BuhRock
- · Replies 3 ·
Pumpkin in Cannon Acceleration Problem
- bman123
- · Replies 2 ·
Big anaconda orbiting the planet
- paul-g
- · Replies 4 ·
Moment of inertia of a semicircle
- kottur
- · Replies 10 ·
Confusion about the potential reference point
- jegues
- · Replies 5 ·
Finding perpendicular force on incline plane.
- shadegrey
- · Replies 3 ·
Finding the Coefficient of friction on an incline plane
- Trent Horn
- · Replies 5 ·
Conservation of energy/inclined plane w/ spring
- austindubose
- · Replies 4 ·
Statics of body in two dimensions
- togo
- · Replies 3 ·
Find the Maximum Mass for Riding a Swing
- overside
- · Replies 5 ·
Calculating unknown forces using the principle of moments.
- Craptola
- · Replies 4 ·
Is a spring longer hanging or flat on a table?
- dav1d
- · Replies 3 ·
Acceleration due to gravity- HELP
- p.ella
- · Replies 16 ·
Eigenfunctions and hermitian operators
- baldywaldy
- · Replies 9 ·
Finding Intersection of 2 Projectiles: Urgent Help Needed
- catherine Sir
- · Replies 4 ·
Two-dimensional kinematics: Projectile Motion
- macha9907
- · Replies 2 ·
How can you stop it from descending without friction?
- fl00f
- · Replies 12 ·
What is work done by gravity when lifting an object?
- ttttrigg3r
- · Replies 7 ·
X and y coordinates, integration, semicircular plate (masteringphysics)
- kottur
- · Replies 8 ·
Physics banking problems w\ friction.
- JeremyWsmith
- · Replies 1 ·
Rolling Solid Disk: Angular Speed, Energy Loss, & Distance
- lx2
- · Replies 5 ·
Multiple choice question involving conservation of energy on inclined planes
- mkwiatko
- · Replies 1 ·
Block Pushed Up a Vertical Wall
- AngeliaGW
- · Replies 7 ·
Time Period SHM of Two Springs with +Q & -Q Charges
- Asphyx820
- · Replies 1 ·
How Accurate Is the Calculation of Potential Energy Change at High Altitudes?
- studentxlol
- · Replies 3 ·
Launching of a Potato (Involve kinetic and potential energy and an angle )
- bluey2014
- · Replies 6 ·
Photoelectric effect and determining the planckconstant
- Nikitin
- · Replies 4 ·
Struggling with Kinetics and Projectile Motion?
- MrSpades
- · Replies 2 ·
Kinetic energy and potential energy concept question
- channel1
- · Replies 3 ·
Final Velocity of Hockey Puck: 40.0 m/s to ?
- Miike012
- · Replies 1 ·
DC Circuit and an Inductor - Q on potentials
- milky9311
- · Replies 5 ·
Potential Energy & Niagara Falls
- warrior2014
- · Replies 7 ·
Rocket accelaation at the start of fuel burn
- nag
- · Replies 5 ·
Did I solve this inclined plane problem correctly?
- QuarkCharmer
- · Replies 4 ·
Circular Motion and Gravitation of asteroid
- valeriex0x
- · Replies 2 ·
Why Do Long Steam Pipes Often Have a U-Shaped Section?
- JSGandora
- · Replies 7 ·
Projectile Motion (Find T with ΔDx, ΔDy, θ, and A?)
- misterwiddle
- · Replies 3 ·
Gravitational forces and multiple bodies problem
- jonathng
- · Replies 2 ·
What Angle Should the Shortstop Throw the Ball to Reach Home Plate Directly?
- xgdoyo
- · Replies 1 ·
How Does Atwood's Machine Demonstrate Conservation of Energy?
- LastXdeth
- · Replies 3 ·
Stones thrown from different heights
- lalahelp
- · Replies 1 ·
Kirchhoff's current law and nodal analysis
- jonmondalson
- · Replies 1 ·
Is anyone here familiar with the program masterphysics?
- Crusaderking1
- · Replies 18 ·
Best way to graphically draw vectors for lab report?
- Nano-Passion
- · Replies 5 ·
What is the role of motional emf in opposing motion?
- sandy.bridge
- · Replies 4 ·
Where Does a Baseball Have the Most Potential Energy?
- momoegy6x
- · Replies 8 ·
Dissociation energy of two particles-variables only equation-mastering physics
- Same-same
- · Replies 3 ·
Calculating Distance Fallen for a Dropped Object
- lalahelp
- · Replies 4 ·