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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Solving Momentum and Newton's Law: Ike and Jim's Truck Physics Problem
- Charles W
- · Replies 12 ·
Sea level change as ocean surface warms
- bwilson4web
- · Replies 10 ·
Bullet embeds in rotating ball: find angular velocity
- Karol
- · Replies 5 ·
Newton's Law: Relation b/w tA & tB
- Titan97
- · Replies 13 ·
Why do electrons drift faster in silicon than metals at the same current?
- Depasquale97
- · Replies 1 ·
How to keep circuit wiring cool so not to distort results
- Barclay
- · Replies 5 ·
Resistive Forces on Objects on an Incline
- Priyadarshini
- · Replies 10 ·
Physics Practical: Check proportionality
- Janiceleong26
- · Replies 3 ·
Ball rolling and bouncing from a wall
- Karol
- · Replies 16 ·
How Should Mass Be Distributed Between Two Scale-Pans to Achieve Desired Motion?
- sandyforever
- · Replies 17 ·
Match on water sustained by surface tension
- RingNebula57
- · Replies 3 ·
Does force of falling object include its own weight?
- Yong Chun Hon
- · Replies 8 ·
Impulse applied to an elastic pendulum
- montrex
- · Replies 3 ·
Graphical or calculation solution. Which is better? Ohms law
- Barclay
- · Replies 5 ·
Finding when dy/dt=0 for position vector r=7ti+(4t-3t²)j
- KiNGGeexD
- · Replies 6 ·
Finding the component of vector A along vector B
- AR1399
- · Replies 2 ·
Potential energy and charge in concentric metallic spheres
- Xsnac
- · Replies 14 ·
Finding maximum velocity in bungee jumping with air resistance
- Junior Newton
- · Replies 26 ·
Average acceleration of impact of ball.
- danny20051
- · Replies 5 ·
Finding constraint equation for blocks connected by inextensible string
- Titan97
- · Replies 2 ·
Cylindrical Gaussian Surface around charged rod
- Mnemonic
- · Replies 1 ·
How High Must a Rocket Travel for Gravity to Halve?
- Hannahj1
- · Replies 4 ·
Basic constant velocity graph question
- hahame
- · Replies 4 ·
How many square centimeters are in 2.5 ft^2 ?
- Beanie
- · Replies 4 ·
Identifying Increasing Speed from Position vs. Time Graphs
- Beanie
- · Replies 12 ·
Who Wins the Drag Race Based on Constant Acceleration?
- Remixex
- · Replies 5 ·
How to differentiate this potential energy function?
- diredragon
- · Replies 4 ·
Magnetic field representation in Octave
- Miss_Fire
- · Replies 1 ·
Magnetic field at the centre of a circular current loop
- dk_ch
- · Replies 3 ·
Work done by pressure on a cycloid from π/2 to π/2+a
- Gh778
- · Replies 18 ·
Finding the wet area from a water sprinkler with unknown projection angle
- AR1399
- · Replies 4 ·
Finding the Center of Mass of a Uniform Disc: A Non-Calculus Approach
- Ujjawal Kumar
- · Replies 3 ·
Projectile Motion on Inclined Surface Question
- ltkach2015
- · Replies 5 ·
How to verify the Energy delivered by Lithium ion battery?
- SIvakumaran
- · Replies 6 ·
Electric field at point between two finite charged wires
- gruba
- · Replies 1 ·
Capacitance per unit length - two cylindrical conductors
- gruba
- · Replies 1 ·
Capacitance per length unit of coaxial cable
- gruba
- · Replies 1 ·
Transformer and potential difference
- Alex.malh
- · Replies 6 ·
Solving potentiometer problem with addition of resistor
- toforfiltum
- · Replies 13 ·
How to find combined velocity after impact in a mallet and stake collision?
- Depasquale97
- · Replies 4 ·
Cylinder pulled by rope on a rough surface
- Karol
- · Replies 2 ·
Finding the Initial Velocity of a Basketball Shot Using Freefall Equations
- VaioZ
- · Replies 11 ·
Table for signs of position, displacement, and velocity
- mrshashy
- · Replies 8 ·
How Does the Center of Mass Move in the Two Body Spring Problem?
- teme92
- · Replies 3 ·
Half pipe with friction in the middle
- Dustinsfl
- · Replies 10 ·
Calculate the current between point A and B
- meguco0314
- · Replies 34 ·
How to Determine the Upward Acceleration of M in the Pulley System?
- MARK 42
- · Replies 7 ·
Which is more effective in this case, elastic or inelastic collision?
- oreo
- · Replies 9 ·
Classical Mechanics: Two Body Problem
- teme92
- · Replies 2 ·
Thermally Isolated System Equilibrium Properties
- teme92
- · Replies 7 ·
Why do three power formulas give different answers for a generator with opposing emf?
- toforfiltum
- · Replies 35 ·
Car attached to wall by rope starts moving at 5° angle
- John_tawil
- · Replies 7 ·
Help with vector problem
- Dawid
- · Replies 2 ·
Height of Water in two conical tanks
- scavengeriel
- · Replies 20 ·
Instantaneous Speed of Wheel Chair 5m from Exam Room
- chapp
- · Replies 12 ·
Making a light bulb emit mostly visible light instead of infrared
- robotpie3000
- · Replies 7 ·
Calculating Distance Traveled: Airplane Acceleration Equation Explained
- Infinty
- · Replies 10 ·
Energy changes of a stretched string
- Janiceleong26
- · Replies 10 ·
Ball hitting a hanging rod: Velocity and Energy Loss Analysis
- Karol
- · Replies 8 ·
What Was the Speed of the SUV Before the Collision in Phystown?
- Hannahj1
- · Replies 1 ·
Solving Curvilinear Motion Problem - Physics Forums
- manongistong
- · Replies 1 ·
Electric field in the center of uniformly polarized cylinder
- gruba
- · Replies 1 ·
Motion on an inclined plane against a resisting force
- FallenLeibniz
- · Replies 7 ·
Calculate Magnetic field using Ampère's law
- Miss_Fire
- · Replies 3 ·
Which Program is Best for Creating Tables and Graphs with Large Numbers?
- Crush1986
- · Replies 7 ·
Banked Curve - Minimum Turn Radius
- Devtycoon
- · Replies 13 ·
How Does Projectile Velocity Change Before and After Maximum Height?
- hiineko
- · Replies 22 ·
Calculate speed of object given g-force
- Hugoriffic
- · Replies 10 ·
Calculating Electric Field due to two point charges.
- Mnemonic
- · Replies 5 ·
Finding Capacitor Voltage Time Dependencies
- @lex@nder
- · Replies 9 ·
Gravitation and Gravitational Fields
- Mary1910
- · Replies 4 ·
What Happens to Energy When a Balloon Deflates?
- XJL488Hax
- · Replies 2 ·
Finding Normal Reaction between Wedge and Block
- Titan97
- · Replies 13 ·
How to Calculate Forces in a Train System?
- faiziqb12
- · Replies 8 ·
Finding lens diameter - German physics task
- Fabon
- · Replies 35 ·
Calculating Displacement: Magnitude & Direction of a Car's Motion
- zyzzxbrah
- · Replies 3 ·
Electric field strength between two disks?
- Corey Bacon
- · Replies 10 ·
Relatively simple mechanics problem
- Paradox101
- · Replies 22 ·
Solve Bernoulli's Equation for Pressure at Throat of Converging-Diverging Nozzle
- MuzMond
- · Replies 1 ·
Maximum mechanical energy in the spring-block system
- Vibhor
- · Replies 32 ·
Accelerations of masses on smooth rail with momentum conservation
- Karol
- · Replies 15 ·
How to solve parts E and F of this math problem
- Jec
- · Replies 4 ·
How Far Do Colliding Blocks Slide on a Spring?
- naianator
- · Replies 5 ·
How is Kepler's Third Law Applied to Uranus' Moons?
- Mary1910
- · Replies 4 ·
Ideal gas process internal energy change
- arili
- · Replies 2 ·
Block collision attached to spring
- naianator
- · Replies 13 ·
Finding the Magnetic Field in a System with Intersecting Current-Carrying Pieces
- cdummie
- · Replies 33 ·
I with this MCQ question pleae
- Shiv Narayanan
- · Replies 5 ·
Hi i want to derive the 2nd equation of motion using the 1st
- faiziqb12
- · Replies 13 ·
RC circuit: find charge rate, energy storage and power at 1 second
- Fat_Squirrel
- · Replies 12 ·
Diagram for Wooden Block Friction Problem
- takando12
- · Replies 7 ·
Why is my rotational mechanics homework solution not matching the given choices?
- Sarah00
- · Replies 1 ·
How Does Kinetic Energy Affect Needle Penetration in Medical Procedures?
- Zynoakib
- · Replies 7 ·
Dropping ball into spring (inelastic collision)
- Samei
- · Replies 15 ·
Physics Forces Question with mass
- Hannahj1
- · Replies 4 ·
Force of a bar to stop a rotating cylinder
- whatdoido
- · Replies 17 ·
How Does an Impulse Affect the Angular Momentum of a Spinning Wheel in Space?
- 24forChromium
- · Replies 6 ·
How Fast Does the Lighter Block Travel When the Spring Relaxes?
- naianator
- · Replies 3 ·
Parachutist free fall and deceleration problem
- hiineko
- · Replies 7 ·