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 to find the final velocity o
- Jessica Lewis
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Find the acceleration of the wedge (see picture)
- Nathanael
- · Replies 10 ·
Velocity with negative acceleration
- PhysicsBoyMan
- · Replies 3 ·
Ball thrown at wall bounces back and falls to ground
- toboldlygo
- · Replies 8 ·
Horizontal velocity for projectile motion
- Michael Ngo
- · Replies 2 ·
Instantaneous Velocity from Strobe Diagram
- toboldlygo
- · Replies 8 ·
How much work, speed and resistive force
- Haveagoodday
- · Replies 11 ·
How do you find the coefficient of restitution with only d?
- brinstar
- · Replies 12 ·
What is the centripetal acceleration of the bob-sleigh?
- Haveagoodday
- · Replies 15 ·
Tricky velocity/time problem without distance
- PhysicsBoyMan
- · Replies 13 ·
Ideal Gas Equation and Polytropic Constant
- Redfire66
- · Replies 3 ·
Finding velocity of mass A after collision with swinging mass B
- nonaJ
- · Replies 1 ·
Absolute Zero Gas: Is Motion Possible?
- heavystray
- · Replies 4 ·
Help with a vertical velocity problem
- clonk99
- · Replies 10 ·
Finding theta when moment is max
- goldfish9776
- · Replies 2 ·
Direction of resultant force from a point
- goldfish9776
- · Replies 1 ·
Calculating Velocity and Time for an Accelerating Air Boat
- nenders
- · Replies 5 ·
How Do I Start Solving Part C of the Physics Problem?
- werson tan
- · Replies 26 ·
Flow of gases through a capillary
- Ella123
- · Replies 1 ·
Applying Conservation of Momentum along the Y axis
- Better WOrld
- · Replies 5 ·
Is the Angle Between Vector A and Ax Less Than 90 Degrees When Alpha Exceeds 90?
- werson tan
- · Replies 6 ·
Electric Field Between Three Point Charges
- CoffeeCrow
- · Replies 4 ·
Time to raise tem from 25 to 145 celcius
- dannie7
- · Replies 1 ·
Can anybody correct me if I'm wrong?
- Dembie
- · Replies 3 ·
Finding index of refraction using Brewster's angle and polarized reflected light
- Jon.G
- · Replies 1 ·
How Does Discriminator Control Influence Reheat Requirements in HVAC Systems?
- pinkcashmere
- · Replies 2 ·
Forces that can be considered centripetal force
- kolua
- · Replies 2 ·
Geometric optics and Fermat's principle
- whatisreality
- · Replies 7 ·
What are examples of axial and polar vectors?
- kolua
- · Replies 1 ·
Finding combined kinetic energy
- PAstudent
- · Replies 1 ·
Projectile thrown horizontally off a cliff
- jeff12
- · Replies 22 ·
Is the Angle of a Projectile at 1/4 of its Flight the Same as When it is Fired?
- jeff12
- · Replies 31 ·
Semiconductor doping - doping concentration is 0?
- orangeincup
- · Replies 5 ·
Vector Decomposition and Trig in Tension Force Analysis
- Scorry
- · Replies 5 ·
Constant velocity, hockey puck kinematics, acceleration vectors and average velocity
- Optikspik
- · Replies 3 ·
Window Washer w/ Bucket-Pulley Apparatus
- hawkeye1029
- · Replies 18 ·
How Do I Find Direction of Forces in Statics?
- Ivan Antunovic
- · Replies 6 ·
Work required to pump water into a tank at 0.9 MPa pressure
- danny12345
- · Replies 10 ·
Minimum work pushing vs pulling a crate at 30°
- LiterallyLogan
- · Replies 4 ·
Forces exerted on the ladder by the wall and ground
- moenste
- · Replies 5 ·
Moment about shaft from hydrostatic forces
- zerogoal
- · Replies 1 ·
Magnetic Force and Gravity in a Horizontal Wire Circuit
- phyvamp
- · Replies 5 ·
Finding angle of resultant force from two applied forces
- PhysicsPadawan
- · Replies 3 ·
Simple harmonic motion - answer slightly off
- Lord Anoobis
- · Replies 2 ·
Energy in relation to a forced oscillator
- shanepitts
- · Replies 1 ·
Figuring out force required to get an object from A to B
- newcomma
- · Replies 2 ·
Problem with conducting loop and magnetic field
- teetar
- · Replies 2 ·
Determining atomic mass from applied force without equations
- motleycat
- · Replies 3 ·
Easy university force/motion problem
- Optikspik
- · Replies 5 ·
Calculating Heat Flow in Composite Sheet with Different Thermal Conductivities
- KingOfQuestions
- · Replies 1 ·
Find the Thevenin's Equivalence of a Circuit
- haha1234
- · Replies 1 ·
Find tension and angle from second rope
- JustinP88
- · Replies 2 ·
Magnification at a Different Distance from Mirror?
- DaveMann
- · Replies 1 ·
What Horizontal Distance Does a Block Cover After Launching Up an Incline?
- aa2114
- · Replies 7 ·
Tension between two masses and three ropes
- jbuck
- · Replies 1 ·
What is the B-field at the center of a semicircle using the Biot-Savart Law?
- pinkfishegg
- · Replies 3 ·
Calculating the Earth's Recoil Speed After Asteroid Impact
- Dick Channy
- · Replies 1 ·
What happens to acceleration when speed doubles?
- motleycat
- · Replies 11 ·
Magnetic Field and Charged Particle Motion
- phyvamp
- · Replies 5 ·
First Year Special Relativity Question
- NotAnAstrologer
- · Replies 5 ·
What's the Trick to Solving Incline Plane Problems?
- Optikspik
- · Replies 1 ·
Finding current in a resistor circuit
- mjjaques
- · Replies 4 ·
Finding coefficient of kinetic friction for a crate pushed at constant velocity
- Beanie
- · Replies 6 ·
Robot materials for a planet at -1000°C
- HugeDragon
- · Replies 11 ·
Find masses of particles on pulleys attached by strings
- moenste
- · Replies 9 ·
How can balanced forces result in constant velocity?
- jumbogala
- · Replies 2 ·
Finding the acceleration of a refrigerator
- physics411
- · Replies 6 ·
Straight Line Kinematics Problem
- cvc121
- · Replies 2 ·
Going from position vs. time to velocity vs. time
- Kelly k
- · Replies 1 ·
Equilibrium distance for solar sail
- cyberdiver
- · Replies 8 ·
Forces on a window held by 3 suction cups
- Drizzy
- · Replies 7 ·
Finding maximum speed (known: Force output, drag, time)
- JohnLCC517
- · Replies 4 ·
What is the relationship between x-t and v-t graph?
- Optikspik
- · Replies 7 ·
Beam and Support Force Question
- G.T
- · Replies 1 ·
Tension in cable connecting two equal masses
- Robb
- · Replies 21 ·
What is the Kinetic and Linear Dynamics of a Falling Wheel with a Rope?
- Karol
- · Replies 46 ·
Constant and variable specific heat assumptions
- Luchekv
- · Replies 10 ·
Moment about a point using graph paper
- werson tan
- · Replies 7 ·
Projectile Motion spring launch
- BoydC1996
- · Replies 1 ·
I'm I on the right track? Tension question
- Kingyou123
- · Replies 21 ·
Why Does a Log Only Fall to the Left or Right in Angry Birds?
- motleycat
- · Replies 1 ·
Find the Tension in a Flexible Chain Resting on a Cone
- tobix10
- · Replies 2 ·
Luke's speed doubles. Does the size of Luke's acceleration a
- motleycat
- · Replies 1 ·
AC Circuits: Solving for Impedance and Voltage in Complex Notation
- Calpalned
- · Replies 1 ·
Work function and kinetic energy
- Abdul.119
- · Replies 1 ·
How to Calculate Power Output for Lifting and Flinging Objects?
- PAstudent
- · Replies 1 ·
Acceleration on a Pulley: Equal or Different for Connected Masses?
- Tim Wellens
- · Replies 1 ·
Lowering an object without breaking the the rope
- Kingyou123
- · Replies 3 ·
How Do Macrostates and Microstates Determine Particle Energy Distribution?
- pinkfishegg
- · Replies 5 ·
How to Estimate Work Done from a Graph?
- Jimmy87
- · Replies 4 ·
2 capacitors in series w/ a dielectric.
- Iron Charioteer
- · Replies 3 ·
Particle in a uniform magnetic field
- bowdish.9
- · Replies 1 ·
Help with simple motion equations problem
- RyanH42
- · Replies 8 ·
Derive an expression for the acceleration of the ramp.
- Snaek96
- · Replies 5 ·
Two dimensional movements and circular motion
- karljohan
- · Replies 5 ·
How many peaks in the interference pattern?
- Abdul.119
- · Replies 6 ·
Inertia and moving plane problem
- gillouche
- · Replies 7 ·
Does any current flow in reverse PN junction?
- Dembie
- · Replies 4 ·
Finding the net torque about the axle?
- Kyp
- · Replies 3 ·
Electric Fields in Coaxial Cables: Understanding Bound Charge Densities
- PhysicsPrincess
- · Replies 1 ·