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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What is the value of this distance up the slope?
- cdhotfire
- · Replies 27 ·
Force pulling a box at 25° over 12 m with friction
- punjabi_monster
- · Replies 10 ·
How to Calculate Error in a Pendulum Clock at Different Temperatures"
- squanto
- · Replies 2 ·
Circuits 1 ,hard proplem for me
- tinhnho
- · Replies 4 ·
How Fast Does a Box Travel After Being Pulled with Force and Friction?
- punjabi_monster
- · Replies 3 ·
How Is Free-Fall Acceleration Determined Using Time Intervals and Distance?
- GingerBread27
- · Replies 2 ·
How Do You Determine Scalars a and b from Vectors A, B, and C?
- Dorita
- · Replies 5 ·
Elephant Seal's Displacement: 635m Down, 590m East
- shawonna23
- · Replies 2 ·
Physics problem: (speed of a point on earth)
- lmf22
- · Replies 3 ·
Uncertainty in pulsar rotation period measurement
- GingerBread27
- · Replies 2 ·
Train and locomotive collision problem with kinematics
- Nenad
- · Replies 2 ·
Electric field in a coaxial cable using Gauss's law
- jimithing
- · Replies 2 ·
How much energy does the kettle transfer?
- Christopher
- · Replies 4 ·
Physics question (kinetic energy) to all that apply
- airkapp
- · Replies 2 ·
Best physics programs in Belarus or Ukraine
- < Ali >
- · Replies 3 ·
How do I find the distance between two trains heading towards each other?
- Omid
- · Replies 4 ·
Image height for candle in front of converging mirror
- antiflag403
- · Replies 2 ·
Build a full size chair out of newspaper and masking tape
- msadair40
- · Replies 2 ·
Solving Car's 2 Braking Times Problem - Physics Help
- phipps66
- · Replies 4 ·
Finding A's Components: Non Graphical Solutions
- Dorita
- · Replies 3 ·
Find the power an electric motor
- Monsu
- · Replies 2 ·
Solving Physics Problems - Aiming a Gun at a Target
- lmf22
- · Replies 3 ·
How Do You Calculate Vector Distances on a Checkerboard?
- BlackMamba
- · Replies 2 ·
Removable discontinuity at x=9 for F(x)=(3-√x)/(9-x)
- cowgiljl
- · Replies 2 ·
How Does Acceleration Affect Speed Skater's Velocity on Rough Ice?
- slcaha2
- · Replies 2 ·
Calculating Net Force on a Charge Near an Infinite Grounded Conductor
- quantumworld
- · Replies 11 ·
Physics plane/wind speed problem
- lmf22
- · Replies 2 ·
Solve Kinematics (3 in 1) Problems with Omid
- Omid
- · Replies 2 ·
How high is the cliff if a dropped rock is heard hitting the ocean after 3 seconds?
- monkeyboy726
- · Replies 2 ·
Beautiful Sunset Painting by Artist
- nomi
- · Replies 6 ·
Rearranging an equation for pressure
- Katpea
- · Replies 3 ·
Proving Triangle with 90° Angle: Length of Hypotenuse Segment
- juef
- · Replies 8 ·
The Toppling of a transmitter mast
- elivian
- · Replies 6 ·
Vectors II Return of the Problem
- ppacc
- · Replies 2 ·
Probability that a 50-senator committee has one from each state
- rdn98
- · Replies 2 ·
Find when 2x^3+x-5 is equal to zero
- UrbanXrisis
- · Replies 2 ·
Calculate Horizontal Distance for 12.0g Steel Ball, 32 Degrees
- cruelty_free
- · Replies 3 ·
Electric field lines for concentric spheres with opposite charges
- alonzo
- · Replies 2 ·
How to Solve for r in the Equation P = (2pG/3)p^2r^2
- james11
- · Replies 6 ·
Bullet drop at 200m range with initial speed 250 m/s
- physicsss
- · Replies 6 ·
Calculating Percent Uncertainty for Volume of a Beach Ball
- Melissa
- · Replies 3 ·
Calculating Helium Balloon Volume for 500 kg Payload
- nsw
- · Replies 11 ·
How Do You Determine the Supply Equation Given Market Conditions?
- wmosley
- · Replies 2 ·
How Do You Determine the Supply Equation for a Commodity?
- wmosley
- · Replies 3 ·
Velocity and Acceleration of a particle
- cougar_21
- · Replies 2 ·
Deriving the 2nd Equation on Wave Longitudinal Velocity
- dibilo
- · Replies 3 ·
Calculating Time and Distance for Two Soccer Players Colliding from Rest
- BlackMamba
- · Replies 7 ·
Finding the domain without a calculator
- UrbanXrisis
- · Replies 5 ·
When will runner B catch up with runner A?
- phywhat
- · Replies 2 ·
Find the raft speed when a stone dropped from a 91m bridge hits the water ahead of it
- BlackMamba
- · Replies 9 ·
Egg drop competition package design (6' drop, 8×8" max, 2 lb limit)
- nautica
- · Replies 9 ·
What is the average speed the runner must travel to catch the ball?
- BlackMamba
- · Replies 21 ·
Relative Velocity: Solving Airplane Vector Problem
- psuedomonas
- · Replies 4 ·
Prove g'(x) = xf'(x)+f(x) using the definition of derivative
- unrealplayer
- · Replies 2 ·
What is the wind velocity in km/h and what angle it it north of east?
- physicsss
- · Replies 9 ·
Vector subtraction and unit vector from C and D
- ppacc
- · Replies 2 ·
Thermal expansion and a pendulum clock
- jealey
- · Replies 2 ·
How to Find Scalars and Unit Vectors from Given Vectors?
- Amil
- · Replies 2 ·
Vector subtraction and magnitude with C and D
- ppacc
- · Replies 6 ·
Checking formula rearrangements for P=W/t, e=IR+Ir, x=a/y, F=ma
- faisal
- · Replies 2 ·
Limits (one algebreic, two Trig)
- Alethia
- · Replies 7 ·
Relative Velocity of Ship A to Ship B: Magnitude and Time
- Clari
- · Replies 2 ·
Integrating dN/ds = k(250-s) in differential equations
- kdinser
- · Replies 4 ·
Why Does My Force Calculation Differ From the Book?
- Gmaximus
- · Replies 4 ·
How Do You Calculate Wave Frequency and Timing in Physics Problems?
- puregoodboi
- · Replies 9 ·
How to convert metric units and use dimensional analysis
- chewbocka
- · Replies 3 ·
Is 1.2A the Correct Current Value in This Circuit Problem?
- tinhnho
- · Replies 6 ·
Time between waves washing ashore
- puregoodboi
- · Replies 2 ·
Integral S (-sin(t))* exp(cos^3(t)) dt
- ori
- · Replies 2 ·
What is the displacement of the car from the point of origin
- TriumphDog1
- · Replies 12 ·
Kinematics - Acceleration and deceleration
- lotusbloom
- · Replies 3 ·
Why Does a Conducting Shell Show Zero Electric Flux Despite an Internal Charge?
- JamesL
- · Replies 2 ·
Golf ball on moon vs Earth and roller coaster loop forces
- Klinger
- · Replies 2 ·
Is the slope of the curve the acceleration?
- Omid
- · Replies 2 ·
Calculus problem (electric circuit)
- Cyannaca
- · Replies 2 ·
Volume to Mass Conversion Problem
- Amil
- · Replies 2 ·
Calculating Acceleration of Locust Jumping 4 cm
- Omid
- · Replies 2 ·
Calculate the x- and y-components of the net electric field
- masamune
- · Replies 2 ·
Power Rating of 570 W Heaters in Series: 1140 W
- GreenDinos
- · Replies 2 ·
How long does it take for the canister to empty?
- Kelju Ivan
- · Replies 5 ·
Calculating Freefall Time: Solving for t in a Ball's Descent
- motionman04
- · Replies 3 ·
How do extremes of a variable affect an equation?
- Omid
- · Replies 3 ·
Displacement vector of watch minute hand tip
- quick
- · Replies 2 ·
Domain and range of (f·g)(x) and (f/g)(x) where f(x)=x/(x-1) and g(x)=1/(x+3)
- sjaguar13
- · Replies 2 ·
Projectile Motion Leap Question
- umkat
- · Replies 13 ·
How can I solve this tricky integral involving a radical and trig substitution?
- krusty the clown
- · Replies 5 ·
Solve 1-D Kinematics Problem: Baseball Pitcher's Acceleration
- mgiddy911
- · Replies 2 ·
How to Find Total Equivalent Resistance in Complex Circuits?
- Juntao
- · Replies 2 ·
Determine velocity of falling object after certain time
- soccerjayl
- · Replies 18 ·
Proving Continuity for Two Functions: x+2x^3 and (2x+3)/(x-2)
- EngTechno
- · Replies 2 ·
Counting Question: 110 Counts in 1 Min - Probability (.15)
- quantumworld
- · Replies 2 ·
Vertical Height Between Two Climbers
- Doug Desatnik
- · Replies 2 ·
Solve June Car Sales Problem: Air Con, Power Steering, Auto Trans
- wmosley
- · Replies 5 ·
How can I solve this triple integral using spherical coordinates?
- ori
- · Replies 2 ·
How Is the Angle of Displacement Calculated in Vector Travel?
- GingerBread27
- · Replies 7 ·
Units and variables in distance and velocity equations
- elyrly
- · Replies 2 ·
What Is the Range of the Quadratic Form f(x,y) = Ax^2 + 2Bxy + Cy^2?
- Khan
- · Replies 11 ·
Finding maximum reaction time to avoid collision at 18.0 m/s
- elizabethg
- · Replies 5 ·
Coulomb's Law: forces between charges
- ACLerok
- · Replies 3 ·