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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Truck accelerating up/down on wedge with friction.
- nickclarson
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Why does Coulomb's Law include a pi in the denominator?
- Old Guy
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How Does an Electron Behave Between Parallel Conducting Plates?
- stanli
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Does Sound Intensity Change with Frequency Shift in Doppler Effect?
- tjaeger
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Calculating Average Current for a Typical American Family's Electricity Usage
- BuBbLeS01
- · Replies 6 ·
5. Energy of a Capacitor in the Presence of a Dielectric
- laterrel
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Conservation of Momentum and Thrown Objects
- Jessehk
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Pendulum and Oscillating Motion
- cstout
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Net force on charges at corners of equilateral triangle
- yoshiba
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Polar Coordinates Angular velocity
- jesuslovesu
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Moment of inertia of a merry-go-round
- brendan3eb
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Magnitude and acceleration [SOLVED] Magnitude and acceleration
- TS656577
- · Replies 5 ·
Calculating Kinetic Energy for Solving PE and KE Problems
- I NEED HELP
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How Does Changing the Battery Voltage Affect the Charge on a Capacitor?
- predentalgirl1
- · Replies 3 ·
Calculating Current Through Resistors in Loop Circuit
- Fire Slayer
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How Much Exhaust Heat Does a Nuclear Power Plant Discharge Per Hour?
- ZephyR1
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What is the magnitude of the force between two charges using Coulomb's law?
- yoshiba
- · Replies 2 ·
How Does a Scale React When a Weight Lifter Pumps and Throws a Barbell?
- Melchior25
- · Replies 1 ·
How Can a Motorcycle Overtake a Car with Different Accelerations?
- charitysmama
- · Replies 10 ·
Electrons- conservation of energy - electric potential
- mussgo
- · Replies 1 ·
Charged Particles in Magnetic Fields
- predentalgirl1
- · Replies 5 ·
Finding current in a solenoid producing 1.5 mT field
- predentalgirl1
- · Replies 4 ·
Do parallel wires with currents in the same direction attract or repel?
- predentalgirl1
- · Replies 5 ·
(physics) Calculating eye diameter
- rickymhoff
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What Is the X-Component of the Electric Field in Coaxial Cylindrical Conductors?
- heartofaragorn
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Calculate the energy in BTUs that is removed
- jason.frost
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Equipotential Surfaces Question
- predentalgirl1
- · Replies 5 ·
What Are the Surface Charge Densities on a Conducting Slab in an Electric Field?
- heartofaragorn
- · Replies 1 ·
How Does Altitude Affect the Properties of Helium in a Balloon?
- Niles
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What is the Centripetal Acceleration of a Race Car on a Circular Track?
- caccers
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What is the attractive electric force between the ions?
- predentalgirl1
- · Replies 10 ·
Finding the minimum of a jet's altitude curve y=20(10^{-6})x^2+5000
- Saladsamurai
- · Replies 5 ·
Calculating Maximum Magnetic Force on an Electron in a Television Set
- buckeyes
- · Replies 3 ·
Force and Tension in Cargo Box and Strap System
- minimax
- · Replies 5 ·
How to Verify Answers for Newton's 3rd Law Problems
- iuhoosierz
- · Replies 2 ·
How can the initial speed of the dart be determined using simple lab equipment?
- blinkablink
- · Replies 2 ·
Rotational Kinetic Energy of sphere
- latitude
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How to Solve Linear Momentum Bullet Problems?
- brendan3eb
- · Replies 3 ·
Tap water flow and water diameter at end of it (Bernoulli eqzn )
- ~christina~
- · Replies 4 ·
Finding rope tensions for a 565 N climber between two cliffs at different angles
- jarmen
- · Replies 42 ·
How Does a Dielectric Material Affect Capacitor Capacitance?
- predentalgirl1
- · Replies 1 ·
What is the mass of m1 in a double mass block problem?
- ddawg923
- · Replies 2 ·
What is a force and how do we detect it?
- ultimasayan
- · Replies 6 ·
How Does Collision Affect Spring Compression and Motion?
- bphysics
- · Replies 5 ·
How Does Gravity Influence Us Without Physical Contact?
- Tony1_1
- · Replies 3 ·
Torque on nonuniform bar with weight at center of mass pivot
- mew1033
- · Replies 1 ·
Physics 11 Speed and acceleraton
- anOldMan
- · Replies 2 ·
What Is the Pressure on the Upper Wing Surface During Level Flight?
- ~christina~
- · Replies 10 ·
What is the moment of inertia of a sphere?
- Oerg
- · Replies 10 ·
Quick Q About W equally the negative change in potential energy
- Fusilli_Jerry89
- · Replies 1 ·
Find Angles for Weight of 605 N
- jj8890
- · Replies 3 ·
What is the tension in cable 1 for a hanging chandelier?
- cece
- · Replies 2 ·
Bullet fired from below into block suspended by spring
- Swedishfish
- · Replies 2 ·
Acceleration on a slant/coefficient of friction
- Crazdfanatic
- · Replies 2 ·
Induced emf when magnetic field drops to zero in a loop
- predentalgirl1
- · Replies 6 ·
Gauss Sphere Surface / U = -W / f=ma=qE
- mewon
- · Replies 7 ·
Optimal Banking Angle for a 730 kg Car at 90 km/h on a 170 m Curve
- ddawg923
- · Replies 1 ·
What is the time constant in an RC Circuit?
- predentalgirl1
- · Replies 1 ·
Estimate the number of hairs in a typical braid
- NosajW
- · Replies 3 ·
Calculating Angle for Magnetic Force of 2.2F
- buckeyes
- · Replies 4 ·
Vector Question: Solved - Learn What to Look For
- TS656577
- · Replies 3 ·
Solving Equation of Motion for A and \Phi
- krnhseya
- · Replies 1 ·
Distance Travelled by Doubled Mass Block with Unchanged V0
- zellster87
- · Replies 3 ·
Finding Radius of Aluminum Sphere
- chocolatelover
- · Replies 14 ·
Finding angles where sin θ / cos θ = -3.00
- chocolatelover
- · Replies 14 ·
How Do Two Applied Forces and Kinetic Friction Affect Crate Acceleration?
- jarmen
- · Replies 7 ·
What is the distance east traveled by the backpacker?
- Alanf718
- · Replies 12 ·
Equivalent capacitance; complex circuit
- aak5789
- · Replies 2 ·
2003 AP physics mechanics problem
- blinkablink
- · Replies 3 ·
Solving Sound Interference: Distance from Speaker A
- blaqksails
- · Replies 1 ·
Electrostatics of balls on a string
- Yuravian
- · Replies 1 ·
How Far Can a Brass Block Be Placed on a Rotating Turntable Before Sliding Off?
- emma_elizabet
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How long does it take it increase speed?
- RanHam335
- · Replies 5 ·
How Far Does a Charged Particle Travel in an Electric Field?
- floridianfisher
- · Replies 1 ·
Simple boat and river question(Vectors)
- dmitrip
- · Replies 1 ·
Find the magnitude of the block's acceleration
- TS656577
- · Replies 7 ·
Electric Power: V^2/ohm Has SI Units of Power
- predentalgirl1
- · Replies 1 ·
Vector - sum of two vectors * some const
- asdfmaster
- · Replies 4 ·
Checking the Current in a 12V Car Headlight
- helpasap
- · Replies 4 ·
How Do You Calculate EMF with Ohm's Law?
- predentalgirl1
- · Replies 1 ·
Relationship of velocity of an electron/velocity of proton to mass ratio
- sheri1987
- · Replies 2 ·
How many electrons pass through a car starter drawing 50 A in 1.5 s?
- predentalgirl1
- · Replies 2 ·
Calculating Force Required to Push a Window Scrubber Up a Vertical Window
- clope023
- · Replies 2 ·
Current and Drift Velocity (multiple choice)
- predentalgirl1
- · Replies 1 ·
How Do You Calculate Forces on a Fairground Ride Ramp?
- Chris08
- · Replies 1 ·
Double check parabolic trajectory answers
- Melchior25
- · Replies 2 ·
Use of Gauss's Law(Electrostatic)
- Cheetox
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Phasor representation of plane wave propagation
- Defennder
- · Replies 12 ·
How Do You Calculate Electric Potential?
- elrohir00
- · Replies 6 ·
How Do You Derive the Doppler Effect for Moving Observers and Sources?
- tjaeger
- · Replies 1 ·
Does Quantum Programming Require Its Own Unique Languages?
- Gear300
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How Does Temperature and Depth Affect the Volume of an Air Bubble in Water?
- hils0005
- · Replies 2 ·
Rotational Equilibrium uniform boom problem
- JinM
- · Replies 11 ·
Conductor with a charge problem
- STP
- · Replies 1 ·
Ferris wheel magnitude and period
- AnkhUNC
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Calculate the work done on the gas during the expansion
- rutherfordln
- · Replies 3 ·
Dynamics of Circular Revolution
- Arejang
- · Replies 16 ·
How Do You Calculate Uncertainty in the Function f(x,z)=z/x?
- glasshut137
- · Replies 3 ·
Work and internal energy for constant pressure gas compression
- rutherfordln
- · Replies 1 ·
Yr 11 question, trouble drawing diagram. Light.
- theperthvan
- · Replies 1 ·