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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Distance Traveled During 5th Second of Coasting
- black_hole
- · Replies 6 ·
Finding coefficient of kinetic friction for 24 kg crate with 53 N force
- purplekisses
- · Replies 1 ·
What is the coefficient of kinetic friction and tension in this physics problem?
- kulai
- · Replies 9 ·
What is the Force Exerted Between a Car and Trailer During Acceleration?
- furiousd
- · Replies 2 ·
How Do You Calculate the Center of Mass for a Plate with a Circular Hole?
- heloudan
- · Replies 4 ·
Magnetic field due to current loop
- exitwound
- · Replies 8 ·
Finding Thevenin voltage without a known current
- noname1
- · Replies 2 ·
Find equivalent capacitance, charge, and energy for capacitors in series and parallel
- cristina045
- · Replies 3 ·
Calculating Kinetic Energy without Time: Is it Possible?
- kevfar
- · Replies 1 ·
Solving Gauss's Law: Charges on Shell Surfaces
- physicsnewb7
- · Replies 5 ·
Rocket launched at 53° with constant speed phase then crash
- esanoussi
- · Replies 3 ·
Caculating the decline angle of a swing
- mmoadi
- · Replies 2 ·
Satellite synchronous to Venus' rotation
- endeavor
- · Replies 8 ·
Solving Force on a Block Problem
- joemama69
- · Replies 7 ·
Is the Relativistic Law for Adding Velocities Associative?
- NeroBlade
- · Replies 1 ·
Regarding a block and an inclined plane
- richpetty888
- · Replies 4 ·
Finding maximum angular displacement from θ=0.2cos8t
- Lunadora
- · Replies 1 ·
Comet with eccentricity of 0.7 and 200 year period
- joemama69
- · Replies 7 ·
Terminal voltage for 2 batteries
- headshrinker
- · Replies 5 ·
Solving for Time: Paradox Equations for Astronauts Near Light Speed
- NeroBlade
- · Replies 1 ·
Frequency of Oscillation of a monkey hanging from a tree
- forddj
- · Replies 1 ·
Finding Center of Mass Between Earth and Satellite
- Kaxa2000
- · Replies 6 ·
How Do You Derive the Diffraction Formula nλ = d sinθ?
- pianogirl
- · Replies 1 ·
What is the drag force on a missile at low altitude?
- djester555
- · Replies 4 ·
What is the Angular Deceleration of a Bicycle Wheel?
- cdubsean
- · Replies 1 ·
Light signal emitted perpendicular to rocket motion
- Piamedes
- · Replies 5 ·
Total Displacement of Duck on Pond: 86.7 m
- justgroovin
- · Replies 2 ·
Seeking Appropriate Equation for Linear Conductivity
- enter8
- · Replies 1 ·
How Much Force Does a Catcher's Mitt Experience When Catching a Fastball?
- La Bu
- · Replies 1 ·
Spring and conservation of energy
- cap.r
- · Replies 3 ·
Normal Force on Rope: Table vs Gravity?
- PatPwnt
- · Replies 5 ·
What is the minimum coefficient of friction for a leaning ladder problem?
- MM156
- · Replies 8 ·
Solving kinematics with two missing variables
- dd353165
- · Replies 6 ·
Electric field due to a uniformly charged rod
- sprinks13
- · Replies 1 ·
Problem on centripetal acceleration and friction
- vicviper89
- · Replies 3 ·
Derivation of Impulse and Momentum
- IncognitoSOS
- · Replies 3 ·
How to measure specific heat capacity of tap water using a microwave oven
- chem_is_lovex
- · Replies 11 ·
Water velocity ratio in connected hoses with different diameters
- FauxNews
- · Replies 4 ·
Calculating Vehicle Distance: Kinematics Question on Brakes
- konichiwa2x
- · Replies 2 ·
What is the average force exerted by the water on the wall when it rebounds?
- longball4153
- · Replies 3 ·
Force between quarterback and defensive lineman
- Wrightboy
- · Replies 2 ·
Ferryboat colliding with docking bumper: momentum, distance and water resistance
- Punkyc7
- · Replies 13 ·
Calculating Efficiency of an Inclined Plane
- Jonathan Teas
- · Replies 2 ·
Equilibrium. How to solve for four variables?
- moose726
- · Replies 2 ·
Find coefficient of kinetic friction using energy conservation
- offbeatjumi
- · Replies 3 ·
Static Equilibrium rope and ball problem
- melst
- · Replies 4 ·
Finding stopper mass from centripetal force lab data with 1/T² graph
- therest
- · Replies 4 ·
Rotational and translational motion of a ruler on a pivot
- paulsberardi
- · Replies 4 ·
Solving Kinetic Friction PB: How Many Times Does Block Cross Rough Section?
- Footballer010
- · Replies 5 ·
Finding components and magnitude of vector C = B - A
- swimchica93
- · Replies 12 ·
Do I Need the Acceleration Force for a Loop de Loop Diagram?
- sarahaha288
- · Replies 2 ·
Basic EMF Problem: Find r Given E, R, and V
- ttran1117
- · Replies 3 ·
How Do You Calculate Acceleration in a Two-Block System with Friction?
- mc8569
- · Replies 8 ·
Pressure in a Lake: Find Depth for 4.5 atm
- Manda_24
- · Replies 3 ·
Linear acceleration of blocks on unbalanced suspended rod
- moose726
- · Replies 2 ·
Momentum Head on Collision Cart Problem
- bleedblue1234
- · Replies 2 ·
Motion in a Plane (Graphing Projectile Motion)
- unknownplaya
- · Replies 4 ·
A Geosynchronus Satellite Problem
- raiderIV
- · Replies 2 ·
Work from the bottom of Unit circle to its top in Polar Coordinates
- soopo
- · Replies 6 ·
What is the Net Pressure in a Syringe?
- Manda_24
- · Replies 3 ·
Finding period from mass and vibration time
- Fabio233
- · Replies 3 ·
Block on incline with horizontal force: what happens at the highest point?
- Blkmage
- · Replies 1 ·
Finding tangential speed to maintain an angle theta
- Linus Pauling
- · Replies 1 ·
Electric Field Lines and Net Charge Determination for a Grounded Metal Sphere
- ENGRstudent00
- · Replies 5 ·
PLEASE ANSWER BY TONIGHT : What is an experiment to test drag force ?
- brittchick081
- · Replies 4 ·
Torque due to earth's gravity on moon
- frostking
- · Replies 1 ·
Tractor pulling tree and sled friction problems
- Helpplease
- · Replies 1 ·
S.H.M and calculating depth of water
- MorallyObtuse
- · Replies 27 ·
Current In Coil Around A Capacitor
- darkchild
- · Replies 1 ·
Calculating Time on a Moving Sidewalk
- waldvocm
- · Replies 9 ·
Coefficient of kinetic friction for sliding beer stein
- Helpplease
- · Replies 13 ·
Why do two masses accelerate differently if the string length is fixed?
- sjeddie
- · Replies 3 ·
How Does Reduced Gravity on the Moon Affect a Ballistic Pendulum Experiment?
- Jac8897
- · Replies 1 ·
Number revolutions with constant angular decelleration
- Linus Pauling
- · Replies 3 ·
How to show x² exp(-ax²) integrates to a specific value
- henryc09
- · Replies 1 ·
Asteroids colliding at 30° and 45° angles
- mchaparro
- · Replies 1 ·
Air Track Problem with friction
- Wishingwell
- · Replies 1 ·
Capacitors/Resistors in parallel
- megr_ftw
- · Replies 3 ·
Sound waves - Combined Frequencies
- zebra1707
- · Replies 1 ·
What is the work done by weight on a crate being pushed up an inclined surface?
- shaunanana
- · Replies 2 ·
Calculating Battery Current in a Parallel-Series Circuit with Resistances
- kevindesai777
- · Replies 5 ·
How Is a Pilot's Apparent Weight Calculated During a Vertical Dive Pullout?
- raiderIV
- · Replies 2 ·
Swing Energy: Solve for Max Speed of 20kg Child
- JoshMP
- · Replies 2 ·
Rotational motion, using torque to find power
- ba726
- · Replies 1 ·
Rotation and Translation Combined. Hockey Stick.
- karansingh
- · Replies 1 ·
Solve Lissajou's Figure Problem with 1:2 Frequency Ratio
- Amith2006
- · Replies 4 ·
Calculate Beam's Divergence Angle from Earth to Moon
- mars shaw
- · Replies 3 ·
Current in a Resistor network ( 2 parts of part b)
- hitman0097
- · Replies 5 ·
Find the magnitude and direction of each vector
- joemama69
- · Replies 4 ·
Velocity Height Calculation check
- Kev1n
- · Replies 3 ·
Checking kinematics answers: acceleration, projectile motion, and free fall
- honestliar
- · Replies 1 ·
How Does a Frictionless Incline Affect Crate Acceleration and Wheel Tension?
- CaptFormal
- · Replies 1 ·
Calculating the change in relative humidity
- pondwire
- · Replies 1 ·
Why Does a Clock Appear Upside Down in a Mirror?
- monty37
- · Replies 5 ·
Why does the resistance of a semiconductor decrease with increasing temperature?
- songoku
- · Replies 5 ·
Sir Isaac Newton Contest Question (Energy)
- jeran921
- · Replies 6 ·
Is there a formula for combining heat capacities of liquids and gases?
- Howy
- · Replies 10 ·
Two Spheres Launched Horizontally
- Raimuna
- · Replies 2 ·
How Long Can a Flywheel-Powered Car Run on Stored Kinetic Energy?
- ba726
- · Replies 1 ·
Disk with Hole Parallel Axis Thm problem
- engus18
- · Replies 1 ·