Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Solving for Angle of Elevation: p = 12.67°
- thereddevils
- · Replies 5 ·
How do balance, charge, rotation, and motion interact in everyday scenarios?
- ubaidvu
- · Replies 3 ·
How Do You Verify Equations for a Balancing Robot?
- auto
- · Replies 1 ·
Calculating Work Done by Engine on Railway Wagon
- bon
- · Replies 2 ·
Solving the Particle Velocity at Time t=5
- thereddevils
- · Replies 3 ·
Very likely a stupid question =S Finding acceleration with formula V^2=u^2+2*a*d
- zachattak
- · Replies 5 ·
How Is the Moment of Inertia Constant Determined Experimentally?
- stalebrownie
- · Replies 1 ·
Bottle Rocket Velocity: Constant Force, Increasing Rate
- jerryez
- · Replies 2 ·
What are some potential topics for an extended essay in acoustics research?
- dsds1000
- · Replies 1 ·
What is the maximum force reduction for a 4 m ramp in a warehouse?
- jerryez
- · Replies 9 ·
What is the approximate diameter of an oil molecule?
- xxcherry06xx
- · Replies 5 ·
How Do You Solve 0.51 = 1,800((v^2)/13)?
- randomss444
- · Replies 1 ·
What is the Correct Direction of Velocity in the Texas Tumblers Circus Act?
- mnafetsc
- · Replies 10 ·
Calculating Pull Force on Weights Connected by Cords
- Motorboar
- · Replies 2 ·
How to Find the Potential Energy of a Cloud?
- boneill3
- · Replies 1 ·
Find the frictional force on the skis
- ramenluver50
- · Replies 12 ·
Path of positivley charged particle in electric field
- ghostbuster25
- · Replies 8 ·
How to work out distance from a velocity-time graph when line is curved?
- manu442
- · Replies 2 ·
What is the Electric Field at a Small Distance from a Charged Ring?
- thepopasmurf
- · Replies 1 ·
Difference between inertia in rotational motion and linear motion
- jmf322
- · Replies 6 ·
What is the resulting acceleration of Mandy gliding on waxed skis on snow?
- arthurni
- · Replies 1 ·
How Does the Angle of Friction Relate to the Coefficient of Friction?
- rshalloo
- · Replies 1 ·
Trouble with calculating acceleration from velocitity using calculus
- James22
- · Replies 3 ·
Finding the Position of a Football in Motion: A Vector Analysis
- thereddevils
- · Replies 14 ·
Stone moving horizontally in magnetic field with no vertical deviation
- Gardalay
- · Replies 3 ·
Calculating Lift Force for Semi-Circle Moving Sideways
- cmorency
- · Replies 3 ·
Finding acceleration from position vector with cos and sin terms
- thereddevils
- · Replies 6 ·
Calculating Flux through a Uniform Electric Field Penetrating a Cone
- kaotak
- · Replies 12 ·
Equilibrium between different masses
- cm_student
- · Replies 6 ·
Rigid body rolling along an inclined plane
- housemartin
- · Replies 3 ·
Calculating Weight of an Astronaut at Different Distances
- nazz
- · Replies 2 ·
Equilibrium between 1 stationary mass and 1 orbiting mass
- cm_student
- · Replies 3 ·
Destructive interference in a speaker value
- jwbehm
- · Replies 4 ·
What is the Pressure on the Circular Side of a Cylindrical Drum of Molasses?
- fergust
- · Replies 2 ·
How Can You Launch a Toothpick 12 Inches Using a Battery, Magnets, and Wire?
- lonernoob
- · Replies 2 ·
Banked Curve Safety Speed Problem
- hanlon
- · Replies 1 ·
Calculating Net Force from Charges
- Gardalay
- · Replies 2 ·
Minimum mirror width to see complete face using ray optics
- schumi1991`
- · Replies 13 ·
Covariant differentiation commutes with contraction?
- kiddokiddo
- · Replies 1 ·
Solving for Velocity of Particle on Inclined Plane
- thereddevils
- · Replies 4 ·
Design 12V DC Car Electric Circuit: 2 Headlights, 2 Taillights, Wiper Motor
- ghostbuster75
- · Replies 1 ·
Block between springs, friction and work
- pleasehelpme6
- · Replies 2 ·
Find Coefficient of Friction for Mass M between 2 Springs
- Awwnutz
- · Replies 2 ·
Works with coefficient of friction
- Echoeric666
- · Replies 3 ·
Light bulb brightness in a circuit
- ghostbuster25
- · Replies 1 ·
How Is Thermal Energy Produced in a Resistor During Capacitor Discharge?
- Daniiel
- · Replies 3 ·
How Does Adiabatic Compression Affect Gas Pressure?
- ghostbuster25
- · Replies 6 ·
Electricffiledcalcuate escape speed
- seto6
- · Replies 2 ·
Solving a Frictionless Massless Pulley Problem
- qi0n
- · Replies 4 ·
What is the acceleration of m2 in a frictional pulley system?
- qi0n
- · Replies 1 ·
Oscillation:Mass dropped on Vertical Spring
- thedefender7
- · Replies 1 ·
How Many Molecules Are in a Beach Ball Using the Ideal Gas Law?
- ghostbuster25
- · Replies 3 ·
Scalar quantity, can it be negative?
- breeno
- · Replies 10 ·
Solve Mechanics Problem: Particle with Mass m and Resistive Force of mkv^2
- thereddevils
- · Replies 2 ·
Solving Mechanics Equation:Car X, Car Y, v, a, b
- thereddevils
- · Replies 2 ·
How Do Wavelengths Determine Sound Speed in a Closed Pipe?
- dulaville
- · Replies 2 ·
How Long Does It Take for a Mass to Reach Maximum Height on Dual Springs?
- Tntgsh
- · Replies 12 ·
What is the Force of the Car on the Truck in a Pushing Scenario?
- TheAntithesis
- · Replies 1 ·
Rollercoaster falling 100m reaching 20 m/s height above ground
- sillybilly
- · Replies 2 ·
Calculating pion mass from charge-to-mass ratio
- justgroovin
- · Replies 10 ·
Charged particle in a cloud chamber?
- chem_is_lovex
- · Replies 2 ·
Very simple kinematics object accelerates, what is the speed of the object?
- PhilMTSU12
- · Replies 5 ·
A question relating to electricity
- MAHBRAINHURTS
- · Replies 3 ·
Average Speed Calculation for Mixed Speeds
- PhilMTSU12
- · Replies 4 ·
How Do You Solve These Newton's Law Problems?
- ramenluver50
- · Replies 19 ·
Is Momentum of a person bouncing on a trampoline conserved?
- Physics0009
- · Replies 3 ·
Dont understand this momentum problem
- physicskid72
- · Replies 6 ·
Electron's response to a oscillating Electric field.
- Himanshu
- · Replies 3 ·
What is the equation for calculating orbital period?
- ghostbuster25
- · Replies 5 ·
How far did the car travel in the fourth second?
- lauralovesyou
- · Replies 2 ·
Angle between vectors A×B and A+B
- amaresh92
- · Replies 2 ·
Kinetic and potential energy of 55kg mass projected vertically
- physics(L)10
- · Replies 12 ·
Which set of displacements can return a car to its starting point
- amaresh92
- · Replies 7 ·
Estimating Energy Generated by Niagara Falls
- physics(L)10
- · Replies 3 ·
How Do You Calculate Electrostatic Force Between Charges?
- BoldKnight399
- · Replies 3 ·
ERICAN PHYSICS SOCIETY: Understanding Sound Waves and Their Properties
- Rostyslav
- · Replies 1 ·
Force Couples - Computation of Forces
- SandboxSgt
- · Replies 28 ·
What is the Speed of a Transverse Wave on a Varying Thickness Wire?
- jlsoccer4
- · Replies 7 ·
What Is the Weight of a Satellite Orbiting Mars?
- GrkFizzix
- · Replies 3 ·
How many photons does the sun generate to
- heynow999
- · Replies 2 ·
Why does a pendulum frequency use 1.50g when accelerating upward at 0.50g?
- mlostrac
- · Replies 1 ·
Instantaneous Acceleration of a Child on a Ferris Wheel
- tjsuglia
- · Replies 2 ·
Kinetic Energy of two Rolling Objects on a Slope
- interference
- · Replies 2 ·
Air resistance in projectile motion
- cmorency
- · Replies 7 ·
Kinetic energy and average force on a 1.35g bullet in a gun barrel
- Rawpcgamer
- · Replies 3 ·
What does the equation x = A sin(wt) represent?
- mlostrac
- · Replies 10 ·
An Erect Man Falls Into Water from a Platform
- Destructo_Dav
- · Replies 4 ·
Not enough information in this momentum question?
- physicskid72
- · Replies 2 ·
Finding cross-sectional area and air density for sphere drag
- cmorency
- · Replies 4 ·
Impact of a Bullet into a Block
- Destructo_Dav
- · Replies 1 ·
Resistance and current question
- Gardalay
- · Replies 5 ·
Deriving the Equation for Spring Deflection of a Dropped Mass
- rotin089
- · Replies 5 ·
Calculating Density of Oxygen at STP
- tomrh3
- · Replies 4 ·
Magnetic Field Between Coaxial Cylinders
- Mathmos6
- · Replies 3 ·
How to calculate voltage at a specific resistor
- Gardalay
- · Replies 6 ·
Tension in an oscillating string
- momopeaches
- · Replies 2 ·
Double Bounce of two balls on a Trampoline
- Physics0009
- · Replies 2 ·
What factors affect a car's maximum speed on a circular race track?
- alessandro
- · Replies 14 ·
What does this tell you about how the moons were created?
- physics(L)10
- · Replies 22 ·
What Is the Steady-State Solution for This Heat Conduction Problem?
- Jamin2112
- · Replies 2 ·