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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Projectile motion: Finding flight distance with air resistance
- proctortom
- · Replies 1 ·
Relative velocity practice exam question
- izelkay
- · Replies 3 ·
Why doesn't the rope break when Harry is supported by it?
- Meowserkitty
- · Replies 6 ·
Springs in a car (damped harmonic oscillator)
- harr
- · Replies 1 ·
Multiple choice question on the absolute uncertainty?
- nchin
- · Replies 1 ·
Why is the reflected angle 2θ and not π−2θ in an isosceles triangle?
- Brown Arrow
- · Replies 1 ·
Train traveling at relativistic speeds - Finding velocity.
- chris_0101
- · Replies 1 ·
Thermodynamics - Entropy/Temperature question
- Greger
- · Replies 1 ·
Mechanics: Calculating the minimum height for a bullet to launch from to hit a target
- PastaTapestry
- · Replies 3 ·
Prove Electric Field Lines Go from High to Low Voltage Sources
- Baygan
- · Replies 1 ·
Tension in horizontal rope holding 9.2 kg block on 25° incline
- rpg711
- · Replies 7 ·
The velocity of a particle at the origin.
- MelissaJL
- · Replies 6 ·
5kg object in frictionless pipe with nested springs
- shandsy
- · Replies 2 ·
Really in finding the acceleration for built boxes.
- NasuSama
- · Replies 6 ·
Calculating Amplitude of Transverse Wave
- howsockgothap
- · Replies 1 ·
Maximum Range of a Ballista Arrow: Accounting for Realistic Factors
- joel amos
- · Replies 4 ·
How Long to Catch a Drifting Boat on the Deschutes River?
- johnhuntsman
- · Replies 2 ·
Tension in wires supporting hanging bag of cement
- szimmy
- · Replies 2 ·
How do you find planet radius from horizon angle and cliff height without a calculator?
- johnsholto
- · Replies 5 ·
Charge on a parallel plate capacitor
- tomwilliam2
- · Replies 6 ·
Finding the spring constant formula for springs in series
- RickWinther
- · Replies 6 ·
Kinematic and Projectile motion equations
- McDonell
- · Replies 6 ·
Find the tension in each cable Physics Problem -
- riseofphoenix
- · Replies 1 ·
Five simple harmonic motion problems
- gf_24
- · Replies 2 ·
Circular momentum - Loop-the-loop question.
- Ripe
- · Replies 3 ·
Circular mgomentum - Tension of a string.
- Ripe
- · Replies 5 ·
What can be the maximum velocity
- utkarshakash
- · Replies 2 ·
Maximum force to keep two stacked blocks moving together
- NasuSama
- · Replies 9 ·
Oscillatory Motion: Frequency 3.00, Amplitude 5.00 cm
- farah2020
- · Replies 1 ·
Ordering Balls By Velocity & Acceleration After Thrown From Building
- bpb83
- · Replies 8 ·
Weight of Satellite around earth
- layla2525
- · Replies 2 ·
Satellite Orbit Period Change if Earth Mass Multiplied by 4
- layla2525
- · Replies 1 ·
Is the electric scheme correctly redrawn?
- kakadas
- · Replies 2 ·
What Is the Acceleration of a Thrown Ball at Its Peak?
- trollcast
- · Replies 3 ·
How Far Does a Suspended Object Move Due to Gravitational Attraction?
- jawhnay
- · Replies 15 ·
Finding altitude where gravitational field strength is 2/3 and 1/3 of surface value
- Jtappan
- · Replies 4 ·
What is the force behind artificial gravity in rotating space stations?
- layla2525
- · Replies 1 ·
Basic Forces Question (Piano Slides Across Floor)
- Plutonium88
- · Replies 5 ·
Tension required to heal a fractured tibia
- flip290
- · Replies 1 ·
Length of acceleration for a rock fragment escaping Mars
- flip290
- · Replies 3 ·
I know f=ma but I need velocity
- sjcorona
- · Replies 1 ·
What Is the Minimum Force to Keep a Sled From Slipping on an Inclined Plane?
- Stianos
- · Replies 3 ·
Easy questions, A ball is shot out from a launcher, what is the acceleration?
- nchin
- · Replies 11 ·
Finding number of washers transferred in Atwood's machine
- jcranford
- · Replies 4 ·
How can I solve for time in a pulley and ramp problem without a given variable?
- doowstados
- · Replies 1 ·
Calculating Horizontal Component of Raindrop Velocity on Moving Train
- Toranc3
- · Replies 4 ·
How Does a Frictionless Pulley System Affect the Force on a Ceiling Hook?
- Aguilar2393
- · Replies 2 ·
Projectile Motion: Clearing a Fence?
- Arooj
- · Replies 1 ·
Dimensional analysis of simple pendulm
- Brown Arrow
- · Replies 2 ·
Finding Time of Flight/Maximum Height/Horizontal Range
- ZeshShawn
- · Replies 1 ·
Need Help with Projectile Motion Homework?
- gabbiem10
- · Replies 2 ·
Spiral Motion of a Bird of Prey: Analysis & Calculations
- Toranc3
- · Replies 13 ·
Projectile Motion Problem (Object thrown from the top of a cliff)
- Parkkk41
- · Replies 2 ·
Solving for time when given distance and acceleration,
- jkmjkm
- · Replies 3 ·
Simple Harmonic Motion, Force as a Function of Time
- SHISHKABOB
- · Replies 18 ·
Finding Force and Distance in Simple Harmonic Motion Problem
- Kefurinu
- · Replies 1 ·
How to find acceleration given only angle of slope and coefficient of friction?
- ExtendedG
- · Replies 4 ·
Angled Projectile at an elevated height
- darkdeeds
- · Replies 3 ·
Solve Pulley Problem: Speed of Blocks After Moving Distance d
- Thorskur
- · Replies 3 ·
How does a high pass filter work?
- aaaa202
- · Replies 10 ·
Determine the distance the sled will slide before coming to rest.
- ExtendedG
- · Replies 2 ·
Number of K electrons that are ejected from lead
- TheBoy
- · Replies 1 ·
Finding velocity on flat part of ramp
- Fieldguise
- · Replies 9 ·
Kinetic energy, power, and resistive force for a 5000 kg vehicle
- SalsaOnMyTaco
- · Replies 4 ·
Find force on a crate while a driver accelerates
- Ally385
- · Replies 2 ·
What is the comet's maximum speed at its farthest distance from the star?
- johnsholto
- · Replies 3 ·
Combining translational and rotational velocities to get rotational velocity
- aplysia
- · Replies 5 ·
Static and Kinetic friction question
- Freemark
- · Replies 4 ·
Calculating Tangential Speed and Centripetal Acceleration on Earth's Equator
- rainy365days
- · Replies 1 ·
Finding velocity vector at t=2s from parametric position function
- mimi.janson
- · Replies 2 ·
Can a particle exceed the speed of light in water
- DODGEVIPER13
- · Replies 8 ·
Finding the current for each time interval (Electric circuits)
- s3a
- · Replies 3 ·
How to Find Velocity With Non-Constant Acceleration
- Ellipses
- · Replies 2 ·
Force, mass, friction question
- mysticbms
- · Replies 5 ·
Equivalent Capacitance of a set of Capacitors
- NotCarlSagan
- · Replies 2 ·
Equilibrium of a constant speed
- layla2525
- · Replies 3 ·
Algebra - Quartz Tuning Fork Watch
- CallMeShady
- · Replies 3 ·
Center of Mass involving Dumbbell With Uneven Weigths
- DebonDevil
- · Replies 1 ·
Planck's problem (waves and frequency)
- lemin_rew
- · Replies 3 ·
Finding final temperature when hot metal cools in water
- moimoi24
- · Replies 6 ·
How Do You Calculate the Bounce Distance R(H, h) for a Marble?
- USAfightr
- · Replies 1 ·
Finding capacitance in LC circuit with 30H inductor and 20s discharge
- omer10000
- · Replies 5 ·
Adding three vectors, why is this not right?
- rickbusiness
- · Replies 4 ·
How Do You Solve for Time and Average Acceleration in a Semicircular Motion?
- Violagirl
- · Replies 1 ·
Applying Newton's Laws question.
- vysero
- · Replies 1 ·
How Do You Calculate Potential Energy for Different Orientations of a Brick?
- SammyLP250
- · Replies 3 ·
Solve 1D Dynamics Problem: Can Car Stop Before Intersection?
- hydra03
- · Replies 1 ·
How Does Gravity Affect the Motion of a Falling Box from an Elevator?
- Violagirl
- · Replies 7 ·
Projectile motion problem where the projectile is a rocket
- isTheReau
- · Replies 8 ·
Calculating Capacitance of LC Circuit
- omer10000
- · Replies 1 ·
If a beam of light with an angle of incidence
- samrifai13
- · Replies 1 ·
Problems with minimal information
- mrmlund
- · Replies 2 ·
Electric potential of a solid copper sphere
- bfusco
- · Replies 1 ·
Optics question, can anyone confirm my answer?
- It_Angel
- · Replies 2 ·
Current problem with emf and internal resistance
- jamesbiomed
- · Replies 11 ·
Kinematics problem, is it possible to solve with given information?
- pyx
- · Replies 11 ·
Why Does the Electric Field in a Conductor Go to Zero?
- Noesis
- · Replies 18 ·
Answer Checking (Speed of Sound formula, dimensional analysis)
- Phonetic
- · Replies 1 ·
Circular Motion of the Earth around the sun
- layla2525
- · Replies 2 ·
Force needed to slide a mop at constant velocity
- NasuSama
- · Replies 21 ·