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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How Do You Calculate Acceleration and Velocity in a Spinning Disk Problem?
- rgalvan2
- · Replies 1 ·
Solve River Rescue Problem: How Far from Dock Does Boat Reach Child?
- rgalvan2
- · Replies 6 ·
What is the electric field strength of a dipole rod on the x axis?
- the7piano
- · Replies 2 ·
How Do You Calculate Transverse Wave Speed from a Wave Function?
- newton10.3
- · Replies 3 ·
Projectile motion - have i done this correctly?
- Mglafas
- · Replies 2 ·
Angluar Velocity and Revolutions
- Jar9284
- · Replies 1 ·
Two balls meeting: one thrown up, one dropped from above
- azn4lyf89
- · Replies 1 ·
Analysis of Wall Crane: Force & Moment at Pins A & D
- Harmony
- · Replies 1 ·
Accelerating force due to ejection
- Jowin
- · Replies 2 ·
Constant Acceleration of car over distance
- Mglafas
- · Replies 1 ·
How Much Work Is Needed to Move Protons from Atomic to Nuclear Distances?
- bunkergirl198
- · Replies 1 ·
Rotational Energy: Humanity's 10^13W Impact on Day Length
- ingy489
- · Replies 1 ·
How Long Does It Take for a Turbine to Reach Operating Speed?
- ingy489
- · Replies 1 ·
Analysing Experimental Data (PHOTOS INCLUDED)
- Lawcheehung
- · Replies 1 ·
Vector Addition and Magnitudes: Finding Theta
- spandan
- · Replies 4 ·
Can a Running Dog Have Angular Momentum Relative to a Nearby Merry-Go-Round?
- kehler
- · Replies 4 ·
Ratio of Kinetic Energies in Center of Mass Frame
- tanzl
- · Replies 2 ·
Acceleration with inclined ramp (Frictionless)
- Sinusoidal
- · Replies 4 ·
Electric Dipoles and angular velocity
- StephenDoty
- · Replies 16 ·
Angular acceleration on a rod about an axis
- Leigh10590
- · Replies 1 ·
Calculate Electric Field at the Center of Semicircular Loop
- kjintonic
- · Replies 6 ·
Electric field from two point charges at the origin and on the x-axis
- lilangel50us
- · Replies 2 ·
Acceleration, Solve for time (Algebra Based)
- Dig
- · Replies 6 ·
How Does Kinetic Energy Affect Electron and Proton Movement?
- crh
- · Replies 1 ·
Do Cyclists Using Different Gears Exert the Same Work and Power on a Hill?
- 40nni
- · Replies 3 ·
Particle Position and Time: Solving for Velocity and Acceleration
- Richard C.
- · Replies 5 ·
Physics C - Rotational motion/forces
- dominus96
- · Replies 1 ·
Calculating work done by an electric field
- crh
- · Replies 7 ·
Find Distance Block Falls from Table Edge: Forces on an Incline
- tyro008
- · Replies 1 ·
Calculating acceleration from 2 tangent lines
- azn4lyf89
- · Replies 1 ·
Electric Field between two infinite sheets of Opposite charge.
- Hells_Kitchen
- · Replies 3 ·
Limit at infinity of an electric quadrupole
- Monocles
- · Replies 1 ·
Coefficient of Friction of a baseball player
- wind522
- · Replies 6 ·
Inertia of a mass in vacuum of space
- Gear300
- · Replies 2 ·
How Can I Solve a Difficult Freefall Problem?
- ihatemetallic
- · Replies 1 ·
Find Position in Uniform Motion: Car Moving on a Straight Line
- jo3jo3520
- · Replies 1 ·
Freefall: Solving Questions with Initial Velocity of 20 m/s
- kitle545
- · Replies 1 ·
Water balloon dropped 18 m above walking professor
- hershey1
- · Replies 1 ·
How Do Planes Calculate Relative Velocities?
- takingphysics
- · Replies 1 ·
Confusing projectile motion problem - need guidance
- ff4930
- · Replies 18 ·
Calculate Frictional Forces Needed for 6.5kg Shopping Cart on 13° Incline
- wind522
- · Replies 1 ·
Time for space station wheel to reach Earth gravity spin rate
- akan
- · Replies 3 ·
Finding vector B magnitude and angle given vector A and (A+B)
- 2slowtogofast
- · Replies 2 ·
What is the average kinetic energy per atom of He in a gas mixture at 448 K?
- Punjabi.Sher
- · Replies 4 ·
Three-charge Electric Field Triangle.
- physphun531
- · Replies 8 ·
Azimuth and altitude of Polaris from Middle Tennessee
- Confused_Star
- · Replies 3 ·
Velocity squared and position graph
- azn4lyf89
- · Replies 5 ·
Manometer water and mercury problem
- keishuu
- · Replies 1 ·
Speed and Acceleration Question
- azn4lyf89
- · Replies 1 ·
Mechanics - Swimmer going upstream at an angle
- CaptainSFS
- · Replies 3 ·
Average speed for two legs of equal time
- joe215
- · Replies 1 ·
Calculating Net Charge of a Gas with Lost Electrons
- just.karl
- · Replies 8 ·
Finding displacement of car B using constant acceleration
- jspek9
- · Replies 12 ·
How do I solve 4.00C · (3.00 A × B) with coefficients?
- mossfan563
- · Replies 8 ·
Can an object have a positive velocity and a negative displacement?
- sciencehelp77
- · Replies 2 ·
Will Speedy Sue collide with the van in the tunnel?
- Lank
- · Replies 2 ·
Calculating Displacement and Average Velocity/Acceleration for Circular Motion
- nwells1998
- · Replies 10 ·
How to Calculate Current in a Silver-Lined Tube?
- Feldoh
- · Replies 1 ·
Solving Tension Ratio of Steel Wires with Hooke's Law
- cremedelacreme
- · Replies 5 ·
Angular momentum with cylinders rolling
- lzh
- · Replies 8 ·
Speed of an exiting gas from a pressured deposit
- Kasper_NYC
- · Replies 2 ·
Vectors find following in terms of x
- BeckyStar678
- · Replies 4 ·
Physics Question: Time for Speeder to be Overtaken by Police Car?
- Tmosh
- · Replies 1 ·
Motion in One Dimension (Using Calculus)
- jmartella
- · Replies 10 ·
Current Question: How Many Electrons in Copper Wire/sec?
- cremedelacreme
- · Replies 5 ·
Brick falling past window: how far has it fallen when reaching the window?
- veronicak5678
- · Replies 8 ·
Calculating Voltage Across Capacitors in Series and Parallel Configurations
- rave7
- · Replies 5 ·
Fuel tank dropped from planes at 15° angles hitting the ground
- pstfleur
- · Replies 5 ·
Field generated by electric quadrupole
- kjintonic
- · Replies 5 ·
Finding the period of a vibrating ruler
- Learnphysics
- · Replies 1 ·
How Do You Calculate the EMF of a Cell in a Circuit?
- oooouftt
- · Replies 1 ·
Electric Dipoles and potential energy
- StephenDoty
- · Replies 7 ·
Calculating Net Force Between Two Dipoles
- kjintonic
- · Replies 4 ·
Short vs Tall: How Centre of Gravity Affects Stability in Individuals
- monkeysay
- · Replies 1 ·
Why ampare is fundamental unt in S.I rather than charge
- physical2
- · Replies 10 ·
What is the sound level (in dB) at 4.00 km from a firework explosion?
- Gear300
- · Replies 5 ·
What is the potential of the big drop formed by 1000 charged rain drops?
- devanlevin
- · Replies 7 ·
Two stones thrown upward at different times: when do they meet?
- ZoomZoom6
- · Replies 2 ·
What Does Support a Column of Mercury Mean at Sea Level?
- Andrusko
- · Replies 4 ·
Distance vs displacement when one runner is ahead on the return
- Nachore
- · Replies 2 ·
Electric field due to a line charge, surface area
- th3plan
- · Replies 1 ·
Boat crossing a river perpendicular to the banks with strong current
- ff4930
- · Replies 5 ·
How Many Helium Atoms Fill a 24 cm Balloon at 76°C and 0.789 atm?
- Punjabi.Sher
- · Replies 5 ·
Finding normal and tangential components without vector magnitude
- BeckyStar678
- · Replies 3 ·
How Do You Graph Wave Displacement Over Time for Point P?
- simon123
- · Replies 3 ·
How Long Was the Kangaroo in the Air Before Returning to Earth?
- Eternal Sky
- · Replies 3 ·
Kinematics in Two Dimension-Niagra falls
- pstfleur
- · Replies 1 ·
Relating Image Distance and Image Height
- swooshfactory
- · Replies 1 ·
Vector question. care travels around a track. .
- BeckyStar678
- · Replies 1 ·
Thermal expansion of turpentine in an aluminum cylinder
- Sheneron
- · Replies 2 ·
Oscillation of a Mass in Liquid (Densities and Cross-Sectional Area Known)
- SerenityBear
- · Replies 1 ·
Time for a particle to reach 95% terminal velocity in a fluid
- allezfou
- · Replies 13 ·
Acceleration of electron in 280 N/C electric field
- goWlfpack
- · Replies 7 ·
Vector Resolution - xy Plane - Airspeed/Groundspeed
- JeffNYC
- · Replies 1 ·
How Does Mass Affect the Terminal Speed of Falling Objects?
- HelloMotto
- · Replies 1 ·
Free body diagrams and graphs for toy car collision experiment
- BoggyP
- · Replies 3 ·
Calculating Initial Velocity and Time in Vertical Motion
- veronicak5678
- · Replies 5 ·
How Can You Calculate Train Displacement in the First 3.15 Seconds of Motion?
- david12
- · Replies 1 ·
Electric field from two point charges
- goWlfpack
- · Replies 3 ·
Car with 9.60 km skid marks and -2.00 m/s² acceleration: initial velocity?
- mochilili
- · Replies 7 ·