Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

Threads

Kinetic Energy of 2kg Sinker Thrown from Bridge

  • pat666
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How Do You Calculate Snow Projection Components on a Slope?

  • BeckyStar678
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Electric Feild Causing a Spark.

  • GT bear
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Intereference of light (at least i think it is) and the human eyeball

  • kehler
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Doppler shifted frequency - ultrasound

  • bcjochim07
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Calculating Revolutions Per Minute of a Ball

  • Kajayacht
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Capacitance and maximum charge HELP

  • seant
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Where Did I Go Wrong in Calculating Tension and Normal Force?

  • DyslexicHobo
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Get Help with Homework: Tips and Answers from Experts | Kine002.pdf

  • MagicMan123
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A particle leaves the origin (motion in 2 dimensions)

  • XxBollWeevilx
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Cofficient of kinetic friction

  • tcf4141
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Knights' Collision: Solving a 1D Kinematics Problem for Homework

  • Neil6790
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Circular Motion on a Track: Understanding Force and Direction

  • devanlevin
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Angle for A + B = n times A - B Magnitude

  • BeckyStar678
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Finding the magnitude of a point inside 2 oppositely-charged uniform lines

  • digitaleyes
  • · Replies 2 ·
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General Physics Problem (Velocitys)

  • denverhockeyfan
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A rope and a frictionless table

  • davesface
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Need someone to double check a simple problem with sig figs

  • ksinelli
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Adding 2 vectors. One is 20 degrees below x-axis

  • dlouis
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Solving for Launch Speed and Height of a Toy Rocket

  • homeworkboy
  • · Replies 7 ·
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Ball Drop Problem: Solving the Dual Impact Challenge

  • ArbazAlam
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Simple DC Circuits: What Happens to L.B. A & C When B is Removed?

  • strawberrysk8
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Ball Drop Problem: Find Initial Velocity

  • ArbazAlam
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Did i do this vector problem right?

  • BeckyStar678
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Solving a Ball & Stone Thrown Vertically Upwards Problem

  • kmikias
  • · Replies 2 ·
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Can She Make It Through the Intersection Before the Light Turns Red?

  • stephidjadi
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Beginner Needing Help with Vector Physics Lab

  • keishuu
  • · Replies 4 ·
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Free Fall Problem: Solve for Water Speed Leaving Nozzle

  • Quincy
  • · Replies 3 ·
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Vector problem think i have it but just wanted to check

  • BeckyStar678
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Help with Veocity vs. Time Graph Needed

  • ryandamartini
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How to Calculate Spring Constant from Force vs. Distance Data in Excel

  • microdoodle
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How Much Should a Spring Be Compressed to Launch a Brick 3.6m High?

  • Dschumanji
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Need Help Working Out Volume Of Box

  • getfirefox
  • · Replies 5 ·
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5

Orbital Frequency of Electron-Positron Pair: Calculating 1.0nm Separation

  • soccerref14
  • · Replies 1 ·
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Electric Field and infinite line of charge

  • soccerref14
  • · Replies 1 ·
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Bouyency and Water Discplacement of 2 Fluids

  • vMaster0fPuppet
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Calculate the speed of the packet

  • pyric
  • · Replies 3 ·
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Need Help Magnitude and Forces problem

  • sfs007
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Showing vector is perpendicular to the plane

  • disturbed123
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What Are the Components of Vector C in the Equation A-B+3C=0?

  • BeckyStar678
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Vertical displacement? help anyone. =]

  • mje537
  • · Replies 9 ·
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How Do You Calculate Displacement from Dallas to Chicago Using Vectors?

  • BeckyStar678
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Absorption of energy from a photon?

  • sanado
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Can't seem to get the correct acceleration

  • azn4lyf89
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Conceptual questions:Newton's Laws(Grade 11)

  • shrabastee
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What is the Law of Cosines for Calculating Vector Magnitudes?

  • Andy111
  • · Replies 8 ·
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Calculating Energy: 5.8Kg Body from 2.3m/s to 1.5m/s

  • pat666
  • · Replies 2 ·
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Solving the Mystery of Directional Sound: A 19cm Challenge

  • Gear300
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Ball and stone thrown upward - kinematics

  • david12
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How Do You Calculate Displacement for Different Motion Paths?

  • claire.
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Calculating Kinetic Energy and Force Required to Stop a Car

  • pat666
  • · Replies 5 ·
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What Is the Difference Between Average and Instantaneous Velocity?

  • phragg
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Free Fall Acceleration fractures Problem

  • tater08
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Solve Yr 11 Physics HW: Find Work Done & Energy Expended

  • pat666
  • · Replies 5 ·
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How Long Will It Take for a Car to Catch Up to a Truck If Both Are Moving?

  • wadesweatt
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Calculating Charge Lost from a 3.0-g Copper Penny

  • gillyr2
  • · Replies 3 ·
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Motion with Constant Acceleration

  • Fiorella
  • · Replies 5 ·
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Thermodynamics - ice->water->steam

  • portofino
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Pelican Dive: Calculating Escape Height for Fish

  • homeworkboy
  • · Replies 3 ·
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Are These Statements About Position Vs. Time Graph Correct?

  • ~SPaRtaN~
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Calculate Sprinter's Speed in 100m Dash in 10s

  • cedwar71
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How Many Electrons Constitute a Negative Charge of 160 NC?

  • Kathi201
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What is the Volume Charge Density in the Region with Given Electric Field?

  • Crazy Gnome
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How Does Charge Distribution Affect Electric Field Direction and Magnitude?

  • StephenDoty
  • · Replies 15 ·
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Calculate Average Velocity for Suzy's Jog

  • VenaCava
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Calculating Time Interval of Splash from Two Stones Dropped

  • Pakbabydoll
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Electric Force magnitude and direction

  • trueplaya
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How to Find the Maximum Height of a Thrown Football?

  • stlblues
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Centripedetal Acceleration with a decelerating car.

  • CaptainSFS
  • · Replies 7 ·
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Basketball hang time and the acceleration of gravity

  • david12
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Find the net torque acting on the system

  • kehler
  • · Replies 5 ·
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Box pushing against another box (conceptual)

  • subwaybusker
  • · Replies 5 ·
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(Simple) Vector Problemdon't see what I'm doing wrong

  • shadowmystic9
  • · Replies 1 ·
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Problem in equations of kinematics in two dimensions

  • Batlin
  • · Replies 7 ·
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Is my textbook wrong (acceleration problem)

  • nissan4l0
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Solve River Rescue Problem: How Far from Dock Does Boat Reach Child?

  • rgalvan2
  • · Replies 6 ·
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What is the electric field strength of a dipole rod on the x axis?

  • the7piano
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How Do You Calculate Transverse Wave Speed from a Wave Function?

  • newton10.3
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Projectile motion - have i done this correctly?

  • Mglafas
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Angluar Velocity and Revolutions

  • Jar9284
  • · Replies 1 ·
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Free Fall: Find Time & Height for Passing Balls

  • azn4lyf89
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Analysis of Wall Crane: Force & Moment at Pins A & D

  • Harmony
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Accelerating force due to ejection

  • Jowin
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Constant Acceleration of car over distance

  • Mglafas
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How Much Work Is Needed to Move Protons from Atomic to Nuclear Distances?

  • bunkergirl198
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Rotational Energy: Humanity's 10^13W Impact on Day Length

  • ingy489
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How Long Does It Take for a Turbine to Reach Operating Speed?

  • ingy489
  • · Replies 1 ·
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Analysing Experimental Data (PHOTOS INCLUDED)

  • Lawcheehung
  • · Replies 1 ·
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Vector Addition and Magnitudes: Finding Theta

  • spandan
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