Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
How High Will the Passenger Be When the Camera Reaches Her?
- mikep
- · Replies 2 ·
Which function is not one-to-one?
- UrbanXrisis
- · Replies 4 ·
What Is the Angle of Elevation for a 1.00-Meter Track with 1.86 cm Blocks?
- dg_5021
- · Replies 2 ·
Calculating River Flow Using Reference Frames
- quick
- · Replies 5 ·
How Do You Draw a Vector Diagram for an Airplane Adjusting for Wind?
- krypt0nite
- · Replies 3 ·
Solving Cone Volume Change with Chain Rule
- Monsu
- · Replies 2 ·
Linear Equations with Intersecting Lines: Solving for Unknowns
- bob4000
- · Replies 2 ·
Finding Fourier Transform for x(t): A Math Student's Query
- cepheid
- · Replies 3 ·
How Fast is the Triangle's Area Changing When the Board is 9 Feet from the Wall?
- buffgilville
- · Replies 2 ·
Forces, magnitude and acceleration
- Angeluzmaia
- · Replies 3 ·
What is the Maximum Reaction Time to Avoid Hitting a Deer?
- UrbanXrisis
- · Replies 4 ·
Average speed and velocity for round trip walk
- tangldupinBlue
- · Replies 2 ·
Quiky question before my test tommorow morning
- EasyStyle4747
- · Replies 2 ·
Bullet motion in rifle barrel with v=-5.0×10⁷t²+3.0×10⁵t
- UrbanXrisis
- · Replies 16 ·
Basketball launched at 45° to reach basket 4m away and 0.8m high
- mad
- · Replies 9 ·
Can You Calculate the Time Needed for a Model Rocket to Pass Through a Hoop?
- quick
- · Replies 6 ·
How Is the Third Answer Calculated in This Lawn Mower Physics Problem?
- justinbaker
- · Replies 2 ·
Model rocket launched at 50 m/s with constant acceleration to 150 m
- Egyptian Mafia
- · Replies 4 ·
Solving a Physics Puzzle: Average Acceleration of a Tennis Ball
- TheDividedSky
- · Replies 2 ·
Calculating Wind Speed Needed To Keep Hailstones Aloft
- ScienceGirl502
- · Replies 13 ·
Calculating Forces on a Crate on a Frictionless Ramp
- 1stcool
- · Replies 4 ·
Can an Object Have Negative Position and Positive Velocity?
- star223
- · Replies 9 ·
Finding the limit of (n² + n - 1)/(3n² + 1) and its remainder form
- courtrigrad
- · Replies 2 ·
Tension and motion in two multi-mass pulley systems
- HobieDude16
- · Replies 12 ·
Standing Vertical Jump physics problem
- Whatupdoc
- · Replies 2 ·
Force of 3 Boxes: Acceleration of System (m1,m2,m3)
- strugglin-physics
- · Replies 3 ·
Normal forces on inclined plane
- GingerBread27
- · Replies 2 ·
Find the 7th State of Matter for Extra Credit
- joe4224
- · Replies 9 ·
9th grade physics-just a little trouble
- star223
- · Replies 11 ·
Current in a hydrogen discharge with electrons and protons
- saltrock
- · Replies 4 ·
Scale Readings in Accelerating Elevators: Calculations and Analysis
- Soaring Crane
- · Replies 4 ·
How Much Force is Needed to Stop a 1520kg Car in 57.5 Meters?
- BlackMamba
- · Replies 2 ·
Time at constant speed for car accelerating 200m then cruising 160m
- mad
- · Replies 10 ·
Particle Resting On An Accelerating Inclined Plane Problem
- NoPhysicsGenius
- · Replies 2 ·
Calculate Maximum Force Acting on 24 kg Mass
- strugglin-physics
- · Replies 2 ·
Friction-less wedge physics problem
- holyko
- · Replies 4 ·
Epsilon-delta proof of lim(1/x)=1/c for c≠0
- haribol
- · Replies 3 ·
Uniform Circualr Motion with Projectile Motion problem (Extremely confusing):
- VinnyCee
- · Replies 4 ·
Finding the angle between two planes using normal vectors
- moca915
- · Replies 4 ·
What is the projectiles time of flight?
- Format
- · Replies 11 ·
Mean Value Theorem and electrostatic potential
- Hypnotoad
- · Replies 2 ·
Stone and pebble thrown from 20 m bridge with 12 m/s
- Faiza
- · Replies 2 ·
2 simple oscilliation problems.
- physicszman
- · Replies 2 ·
Maximum amplitude before block loses contact, spring pulse speed, earthquake detection
- thunderfvck
- · Replies 2 ·
Forces on a block held by a horizontal string on a frictionless incline
- Faiza
- · Replies 3 ·
Engine Performance(Finding Power)
- austin zitro
- · Replies 3 ·
Generalized formula for factoring X^n-Y^n
- Jacob Chestnut
- · Replies 5 ·
Particle position and acceleration from velocity at two times
- motionman04
- · Replies 17 ·
Solving Initial Differential Question: Finding General Solution for y
- fresh
- · Replies 2 ·
Finding Amplitude of Air Vibration from Frequency and Intensity
- falcon0311
- · Replies 4 ·
Solving Exponent Laws: (p^2q+ pq^3)^3 / p^3q^4
- majinknight
- · Replies 3 ·
Probability Distribution and Constants
- Rachael_Victoria
- · Replies 3 ·
Find the value of Electric potential
- ACLerok
- · Replies 5 ·
Horizontal force to displace a hanging chandelier 0.100 m
- strugglin-physics
- · Replies 3 ·
Raising the Window Washer: A Trickier Problem Than It Looks
- SnowOwl18
- · Replies 4 ·
Proving Altitude Sum Inequality in a Triangle
- nolachrymose
- · Replies 6 ·
Helicopter at constant velocity with tilted lift force
- BlackMamba
- · Replies 3 ·
How Fast Must a Limo Travel Near Light Speed to Appear Shorter?
- jwoosley
- · Replies 4 ·
When to use -9.8 or +9.8 for gravitational acceleration?
- saiyajin822
- · Replies 8 ·
How Does Acceleration Direction Affect Object Motion?
- Faiza
- · Replies 5 ·
If initial velocity is zero but acceleration is not zero, what is the motion like?
- Faiza
- · Replies 11 ·
Variance of 36 standard dice rolls
- Haatajajunk
- · Replies 2 ·
How Much Force is Needed to Displace a Chandelier Sideways?
- strugglin-physics
- · Replies 2 ·
Helicopter Lift Force Calculation
- strugglin-physics
- · Replies 8 ·
Why doesn't a heavier mass fall faster than a lighter mass?
- Soaring Crane
- · Replies 11 ·
How can dimensional analysis help with solving physics homework questions?
- Faiza
- · Replies 13 ·
How can you determine the velocity of a stone thrown from a bridge into a river?
- Faiza
- · Replies 18 ·
Solve Race Car G Problem: How Many G's?
- strugglin-physics
- · Replies 3 ·
What should its speed be relative to the ground?
- AHuds0n
- · Replies 4 ·
Solve for K for Continuity of f(2) at @=0
- Hygelac
- · Replies 3 ·
Finding initial and final n for hydrogen absorbing 4055nm light
- needhelpperson
- · Replies 11 ·
Can an object have a negative acceleration and be speeding up?
- Faiza
- · Replies 11 ·
Calculating Thermal Energy Supplied by Heater in 30.0s - Kilo-joules
- questionmaster
- · Replies 2 ·
Two balls thrown at each other from a building
- saiyajin822
- · Replies 8 ·
Understanding Energy and Momentum in Quantum Mechanics
- AKG
- · Replies 7 ·
Position, Velocity, and Acceleration of a Golf Ball at t = 1.20 s
- ramin86
- · Replies 4 ·
Where to find kinematics and 2D motion practice problems
- Shay10825
- · Replies 2 ·
Find the velocity as it reaches the water
- Faiza
- · Replies 5 ·
Forces on Particle, Find Third Force?
- GingerBread27
- · Replies 24 ·
Questioning the Limit of Sin x/|x| as x Approaches 0
- xargon
- · Replies 2 ·
Solving the Unequal Displacement of Balls Problem
- Lilly
- · Replies 3 ·
Work, power, and kinetic energy
- PhysicPsychic
- · Replies 3 ·
Ratio of areas in parallelogram with intersecting diagonals
- dekoi
- · Replies 5 ·
What is the Speed of a Bowling Ball Hitting Pins at the End of a 16.5 m Lane?
- Strelka
- · Replies 2 ·
How Do You Calculate the Pulling Force on a Crate for Zero Net Work?
- rocky811
- · Replies 2 ·
How Can We Solve 2^m = 3^n + 5 for Non-Negative m and n?
- PrudensOptimus
- · Replies 6 ·
Find a model of plutonium. a bohr model
- vandamme
- · Replies 3 ·
How to Prove This Complex Inequality Involving Absolute Values?
- saint_n
- · Replies 3 ·
Problem proving tension in string
- Dracovich
- · Replies 7 ·
Solve Heating Water Problem: 100-W Electric Heater
- SpatialVacancy
- · Replies 3 ·
How Does Acceleration Change with Angle for a Horizontally Moving Bar?
- AronH
- · Replies 2 ·
How Long Does It Take for a Dart to Reach the Board from 1.9m?
- faisal
- · Replies 3 ·
How Can I Group Dots and Filter Mismatched Bits in Data Arrays?
- kronecker
- · Replies 2 ·
How long does a brick take to pass a window 20 m below a rooftop?
- saiyajin822
- · Replies 6 ·
Calculating PE and Initial Speed for Colliding Alpha Particles
- pulser45
- · Replies 2 ·
Limit of f(x): As x Approaches 3
- buffgilville
- · Replies 2 ·
Calculating Recursive Derivatives at Point x=0
- Monsu
- · Replies 4 ·
Young's modulus problem - need a hint
- redshift
- · Replies 2 ·
Determining Force for Toppling 30" Round Table
- kopplaw
- · Replies 2 ·
Sketching Region for |x-y|+|x|-|y| <= 2
- linux666
- · Replies 2 ·