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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Finding coefficient of friction and acceleration for pushed block
- hisoko
- · Replies 3 ·
Determine Initial Velocity of Rocket: Range 300 km, Height 100 km
- swirly90
- · Replies 4 ·
How Far Will a Thrown Rock Travel and Will It Clear a Fence?
- Pi Face
- · Replies 2 ·
Finding the relationship between accelerations in a pulley system
- Juan Pablo
- · Replies 2 ·
Sliding down a hill with friction
- PhysicsMark
- · Replies 2 ·
Distance with Initial Velocity other then 0
- Chuck Norris
- · Replies 6 ·
Boy pushing 5-kg machine at 30° below horizontal
- jiwon
- · Replies 1 ·
Electric Field: Find Electric Field from 2 Infinite Planes
- nns91
- · Replies 5 ·
Object against wall with horizontal force acting on wall
- chenying
- · Replies 5 ·
Projectile Motion: Hitting a box with a softball
- indietro
- · Replies 2 ·
Newton's Third Law-two masses on a wedge
- jiwon
- · Replies 1 ·
Newtonian - Force, Gravity, and Bungee Jumping
- staycrunchy
- · Replies 3 ·
Time required to charge a capacitor
- Liketothink
- · Replies 1 ·
How Far Must the 30 kg Child Sit for Seesaw Equilibrium?
- Fabio233
- · Replies 9 ·
Winch lifting 40kg and 10kg masses with friction and tension
- Netbus
- · Replies 2 ·
Speed and induced EMF of spacecraft orbiting a pulsar
- balling12
- · Replies 1 ·
Calculating Vector Components for an Airplane's Trajectory
- samxel
- · Replies 2 ·
What is the angle [theta] for the tug B in the given diagram?
- fs93
- · Replies 3 ·
Kinematics: Throwing ball up the building with unknown initial velocity
- corporateflea
- · Replies 4 ·
Solving for initial velocity in an inelastic equation
- tjohn101
- · Replies 10 ·
Energy and Rotational Inertia Question
- ForceSith
- · Replies 2 ·
Principle Quantum Number Question
- wilson_chem90
- · Replies 5 ·
Pythagorean triplet and vectors
- you_of_eh
- · Replies 1 ·
How does adding a block to a spring affect its stiffness?
- caitbaby23
- · Replies 3 ·
Solve Force of 4.7 N on 17 kg Body Work Problem
- tigerlili
- · Replies 2 ·
Physics Kinimatics/Energy Question
- davidkis
- · Replies 1 ·
How Do You Calculate the Frequency of Oscillation for a Resonating Air Column?
- mohit.choudha
- · Replies 1 ·
Finding friction - block attached to ball
- Kaxa2000
- · Replies 4 ·
How can I rearrange the equation to solve for time?
- einsteinette
- · Replies 1 ·
How Do Velocity and Acceleration Change When a Ball Falls?
- @d@m
- · Replies 1 ·
Finding Kinetic Energy From A Graph
- danest
- · Replies 5 ·
Find Power Absorbed by Element X in Figure
- KillerZ
- · Replies 1 ·
Launching object into space (simple)
- Nal101
- · Replies 4 ·
Elastic collision between two balls with two unknowns
- tjohn101
- · Replies 6 ·
Why does Gauss's law need the cylinder close to the conductor's surface?
- RoyalCat
- · Replies 6 ·
Calculating Velocity of a Projectile 0.1s Before Hitting Ground
- 1irishman
- · Replies 5 ·
Kicking a ball off a spherical rock (without hitting it on the way down )
- teddy75
- · Replies 15 ·
Circular wire loop with current where net B field is zero
- Skye77
- · Replies 5 ·
Bullet passing through one block and embedding in another
- Zhalfirin88
- · Replies 4 ·
Question on Fluid Pressure in Pipes
- !Live_4Ever!
- · Replies 1 ·
How Does Grounding Affect Charge Distribution on a Metal Sphere?
- songoku
- · Replies 10 ·
Coefficient of friction of a ramp
- maladroit
- · Replies 4 ·
How Do You Calculate Work and Power for a Moving Object?
- danest
- · Replies 1 ·
Minimum wavelength when electrons strike phospor
- songoku
- · Replies 6 ·
Elastic Collision Of Uneqal Masses
- Warmacblu
- · Replies 11 ·
What is the Average Induced EMF in a Rotating Coil?
- jemerlia
- · Replies 3 ·
Redraw Circuit: Consolidate Nodes for Min #
- KillerZ
- · Replies 2 ·
Curvilinear Motion Homework: Normal & Tangential Accel. & Radius
- KillerZ
- · Replies 6 ·
Electrostatics: work moving point dipole
- Bapelsin
- · Replies 1 ·
Three equal weights connected by strings in equilibrium
- IncognitoSOS
- · Replies 5 ·
What Is the Tension and Kinetic Friction in This Blocks and Pulleys System?
- FabricWarp
- · Replies 2 ·
Question: Determining absolute zero with a piston
- PrinceOfDeaf
- · Replies 1 ·
Determine the translational and rotational motion
- LBloom
- · Replies 1 ·
What Is the Mass and Initial Velocity of Car 1 After Collision?
- CandyApples
- · Replies 3 ·
Projectile Motion - Particle Acceleration
- Osbourne_Cox
- · Replies 13 ·
Some Basic Conceptual/Philosophical Questions on Special Relativity
- Sam_Goldberg
- · Replies 1 ·
Work and power from a 7.2 N force over three seconds
- danest
- · Replies 6 ·
Circular Motion: On a Ferris Wheel
- r34racer01
- · Replies 3 ·
Bullet and a mass on a string. conservation problem.
- Dissonance in E
- · Replies 12 ·
How to determine impedance and resistance of a passive black box circuit
- prescott2006
- · Replies 5 ·
Straight wires carrying current
- Neophyte7
- · Replies 6 ·
Finding the Equilibrium of a Spring in Water with a Connected Block
- songoku
- · Replies 4 ·
Projectile Motion, Finding the Angle
- needlottahelp
- · Replies 3 ·
Finding currents and power in a circuit with dependent source
- Imposta
- · Replies 2 ·
Finding initial velocity of a 1.5g bullet with 500N force over 20m
- meadman
- · Replies 3 ·
How Tall Was the Initial Fall in a Physics Problem?
- ryno2107
- · Replies 1 ·
How Do You Calculate Power and Resistance in Electrical Circuits?
- Imposta
- · Replies 1 ·
Force and coefficient of friction problem
- demonelite123
- · Replies 2 ·
Find minimum initial velocity of object
- rajesan
- · Replies 1 ·
How Does Electric Field Behave Inside a Uniformly Charged Sphere?
- theowne
- · Replies 1 ·
Car accelerates to pass a bus: when does the car completely clear it?
- 1irishman
- · Replies 10 ·
Finding acceleration and energy for 3 kg mass pulled up 28° ramp by pulley
- ZaneW
- · Replies 3 ·
Bernoulli's Equation and fire hose
- ChemIsHard
- · Replies 1 ·
How Do You Calculate the Initial Velocity of an Arrow?
- meadman
- · Replies 3 ·
What is the magnitude of the net force acting on the kayak?
- Marcelgluch
- · Replies 5 ·
Multiparticle system, KE and PE, distances before/during/after fission
- karobins
- · Replies 5 ·
Solar Luminosity: Calculating Sphere of Light Illuminating Earth's Orbit
- newsflash
- · Replies 1 ·
How to Solve a Friction and Tension Problem in Physics
- tmt1993
- · Replies 2 ·
Force/Projectile Motion Problem
- JoshMP
- · Replies 3 ·
Flux - simple integral computation
- quantum13
- · Replies 1 ·
Calculating Passing Time of Accelerating Car and Bus
- 1irishman
- · Replies 7 ·
Tension, 2 masses, 2 cords hanging vertical
- gablec2
- · Replies 3 ·
Find the frequency and wavelength of a 100 MeV gamma ray photon
- BeckyG
- · Replies 8 ·
Easy Circular Motion Problem that I can't get right
- intriqet
- · Replies 1 ·
How Do You Solve This Newton's Third Law Problem Involving Friction and Tension?
- irNewton
- · Replies 7 ·
During a tornado, softer objects are driven through apparently harder objects
- Dmitri10
- · Replies 1 ·
Balancing Charges on Identical Spheres
- Tridius
- · Replies 5 ·
Tension and acceleration with 9.8-kg watermelon and 8-kg pumpkin on pulley
- mashoema
- · Replies 3 ·
Calculate the frequency, energy, and number of photons emitted by a DVD player's laser?
- crybllrd
- · Replies 14 ·
How Does Flux Distribute in a Gaussian Cube with a Corner Charge?
- quantum13
- · Replies 1 ·
Finding when a mailbag hits the ground after helicopter release
- ryno2107
- · Replies 1 ·
Calculating Potential Difference on A Capacitor, RC Circuits
- cwatki14
- · Replies 1 ·
Horizontal and vertical component of acceleration
- lolzwhut?
- · Replies 7 ·
How Tall Is The Building? - Projectile Motion
- Osbourne_Cox
- · Replies 22 ·
Can you detect motion inside a spinning box?
- lytien
- · Replies 1 ·
Heather and Jill accelerating in different directions at 5 seconds
- student 1
- · Replies 6 ·
Finding length of skid marks using f k
- physjeff12
- · Replies 3 ·
Basketball shot at 43° from 13 m away
- intriqet
- · Replies 6 ·
Simple Spring Problem with something that I'm sure im not seeing
- wildcatdude90
- · Replies 3 ·
Kinetic Energy and Work: Ramp With Friction
- CaptFormal
- · Replies 2 ·