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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Quarter tossed at 60° into carnival dish 2.1 m away
- J89
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Two masses on incline and hanging by rope - finding speed after 30 cm fall
- ll_lordomega
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How can I design a roller project to roll down an incline as slow as possible?
- physicsdude17
- · Replies 1 ·
How Does Gravity on Planet X Compare to Earth's?
- J89
- · Replies 1 ·
Radius of Curvature of Ion in Magnetic Field
- Nexest
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Changing the direction of the acceleration Vector
- orthovector
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Calculating Vector Force Between Charged Particles
- Minihoudini
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Penguin and slide. Check my answers? I want to be prepared for the test
- zell_D
- · Replies 6 ·
What is the Optimal Diameter for a 12.0 Ω Nichrome Wire at 20°C?
- phy112
- · Replies 4 ·
What is the power - the rate at which it supplies electrical energy?
- phy112
- · Replies 4 ·
Current in resistor network with 40.7 V between points a and b
- Jnblose
- · Replies 5 ·
Using a velocity-time graph to calculate accelerations, positions, etc.
- ikasok
- · Replies 4 ·
Solving a Physics Mystery: Initial Speed & Height of Ball
- Bottomsouth
- · Replies 12 ·
Minimum phase difference between two in-phase sources on a screen
- noppawit
- · Replies 5 ·
What are some physics-based driving techniques to improve efficiency and safety?
- toasted
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Photons - Trying to find distance
- Nitric
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How Do You Apply Kirchhoff's Rules to Solve for Currents in a Complex Circuit?
- v0id19
- · Replies 1 ·
How Well Do You Understand Electric Fields and Potential?
- anthonyluvme
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Which method is more accurate for determining peak time in data analysis?
- marcusesses
- · Replies 3 ·
How Do You Calculate Forces on Inclined Planes?
- jarny
- · Replies 3 ·
Finding launch angles for a tennis ball to hit a window 100 m away
- db2dz
- · Replies 14 ·
Determine value of the resistance of the resister
- xswtxoj
- · Replies 4 ·
Fall with Air Drag - Which Value for Velocity to Use?
- dracayr
- · Replies 2 ·
Magnitude of acceleration of block
- queenspublic
- · Replies 8 ·
Finding tension in ropes supporting a man on a scaffold
- a.a
- · Replies 1 ·
What Is the Electric Field Perpendicular to a Uniformly Charged Rod?
- bocobuff
- · Replies 1 ·
Centripetal Acceleration of hard drive
- UMich1344
- · Replies 3 ·
Calculating Potential Energy in a Parallel Plate Capacitor
- xswtxoj
- · Replies 4 ·
How much work is done. Physics problem
- xswtxoj
- · Replies 2 ·
Problem with Thermal expansion: volume
- mimi83
- · Replies 1 ·
Refrigerator Question: Does Leaving the Door Open Cool an Enclosed Room?
- vladittude0583
- · Replies 3 ·
What is the Expectation Value of Momentum for a Wave Function?
- Feldoh
- · Replies 4 ·
Did I Solve Problem 3-48 Correctly?
- aeubz
- · Replies 5 ·
Problem with Bernoulli's equation.
- mimi83
- · Replies 2 ·
Projectile Motion of a grasshopper off a cliff
- Todd88
- · Replies 5 ·
What is the Charge and Error in a Parallel Plate Capacitor?
- hellogirl88
- · Replies 2 ·
How Do You Calculate Average and RMS Values for a Half-Wave Rectified Signal?
- Machodog
- · Replies 1 ·
Solving for Maximum Height of Ball Launched at 60 Degrees
- meagr
- · Replies 1 ·
Solving a Physics Problem: Falling Ball from Tabletop
- lauriecherie
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How Do You Calculate Masses from an Acceleration vs. Force Graph?
- StephenDoty
- · Replies 4 ·
Calculating Work in a Pulley System
- james brug
- · Replies 11 ·
Laboratory setup -Capacitance vs. Temperature
- risingplague
- · Replies 4 ·
What Is the Magnitude of the Acceleration in an Atwood's Machine?
- queenspublic
- · Replies 7 ·
Blocks on turntable with friction = hard problem
- yopy
- · Replies 1 ·
What is the minimum coefficient of static friction between tires and road
- zerogoal
- · Replies 10 ·
Solving Soccer Ball Catch: Find Avg. Speed
- lauriecherie
- · Replies 10 ·
Finding Launch Angle Using Projectile Motion Equations
- Imuell1
- · Replies 7 ·
Force between parallel plates in a capacitor
- asi123
- · Replies 1 ·
Finding the Work Done in Moving a Mass on a Half-Cylinder at Constant Speed
- Ailo
- · Replies 8 ·
How Is Total Work Calculated for Blocks on a Pulley System with Friction?
- lil_50
- · Replies 1 ·
Velocity and height of a ball thrown at an angle
- enantiomer1
- · Replies 3 ·
Resultant displacement of two perpendicular vector components
- Skatehabitat2
- · Replies 3 ·
Conservative forces on a sliding block
- peaceandlove
- · Replies 16 ·
Two infinite rods with charges
- Eric_meyers
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Show that dA/dt is constant in time
- nns91
- · Replies 7 ·
Which statement correctly describes Bohr's quantum model of the atom?
- stickplot
- · Replies 13 ·
What is permanent magnet B field equation?
- ShahinPhD
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How Is Total Work Calculated for Two Connected Blocks with Friction?
- james brug
- · Replies 1 ·
What Is the Minimum Compression Distance X for Safe Loop Negotiation?
- TG3
- · Replies 1 ·
Finding coefficient of kinetic friction from cable tension and mass
- susyq232
- · Replies 1 ·
Easy Newtonian Gravitation viewed from a rusty perspective.
- zaarin_2003
- · Replies 4 ·
Is the flux Q an integral in exercise c?
- dirk_mec1
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How Is Velocity Calculated for a 5kg Block in a Pulley System with a Spring?
- zd1899
- · Replies 1 ·
Astronomy - ratio of the magnitude of the force of sun and moon gravity
- JordanTim
- · Replies 5 ·
Physics Thermodynamics - Finding Work
- misa
- · Replies 2 ·
Carnot Icemaker: Calculate Heat Rejected
- horsegirl09
- · Replies 4 ·
Centripetal acceleration and static friction
- shaanyr
- · Replies 4 ·
Finding centroid y-coordinates for moment of inertia of a cross section
- ricky_fusion
- · Replies 4 ·
Simple Harmonic Motion and Reference Circle
- Pius
- · Replies 2 ·
Block sliding down slope against spring
- TG3
- · Replies 2 ·
Ionisation chamber current in wire vs air and residual current causes
- catkin
- · Replies 3 ·
Magnet Movement When Charged Rod or Bar Magnet is Brought Near
- zapped
- · Replies 1 ·
How Far Does a Block Travel Before Stopping?
- TG3
- · Replies 11 ·
Really really on a projecton physics problem
- DragonReborn
- · Replies 7 ·
Minimum distance between two vectors on a graph?
- dan.g117
- · Replies 1 ·
What Is the Spacing Between the Slits in the Double Slit Experiment?
- Spirochete
- · Replies 9 ·
What is the Electric Field at P(0,0,4)?
- LeeroyJenkins
- · Replies 1 ·
Finding spring constant for block compressing spring on incline
- mrnastytime
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How Does Distance Affect Electric Flux Through a Square?
- jordanjj
- · Replies 1 ·
Electric Potential/Work - POint Charges on a Square
- alicemunro
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What Forces Affect the Acceleration of an Airboat?
- hatcheezy
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Find the magnitude of the torque
- jonnejon
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Electron in a uniform field, acceleration
- Specialmias
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Infinitely Long Cylindrical Surface Problem
- jordanjj
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Force and Motion - Car going over a hill
- Shatzkinator
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How Does Air Force Affect Kinetic Energy in a Fancart?
- magma_saber
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What is the speed of the roller coaster at the bottom of the dip?
- Amber430
- · Replies 3 ·
3 masses attached by rope on table with 2 pulleys.
- MaximaMan
- · Replies 13 ·
Derive electric field of infinite plane from field of infinite line
- theneedtoknow
- · Replies 8 ·
Work Done on 46 kg Box by Forces: Applied, Frictional, Normal, Gravity
- Amber430
- · Replies 3 ·
How Do You Calculate Moles of Water Vapor in Air Using Ideal Gas Law?
- owura143
- · Replies 1 ·
How Do You Calculate the Height of a Waterfall Based on Temperature Change?
- echoindia756
- · Replies 3 ·
Force and Motion Sliding/Hanging Blocks
- Shatzkinator
- · Replies 3 ·
Uncertainty in Sound Recorder Measurements: Finding the Average and Range
- Davronbek
- · Replies 3 ·
How to Calculate Time and Distance for a Plane Flying with Wind and Vectors
- cwalden91
- · Replies 2 ·
What is the Evidence Supporting the Doppler Effect in Sonic Booms?
- iFat
- · Replies 10 ·
Reducing Uncertainty in an Experiment to 0.012 s
- bocobuff
- · Replies 3 ·
Calculating Thermal Energy Dissipated from Brakes on a Descending Car
- Stryder_SW
- · Replies 2 ·