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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Calculating acceleration using Experimental equation
- Artel
- · Replies 8 ·
PhET ramp simulator: how mass and angle affect sliding distance
- Asuncion
- · Replies 7 ·
Max Charge on Sphere: Calculating with Electric Fields
- MrRandom66
- · Replies 5 ·
How Do You Calculate the Correct Launch Angle for a Projectile?
- MrRandom66
- · Replies 3 ·
How to Derive Formulas for Mass and Angle in Ramp Experiments?
- Asuncion
- · Replies 2 ·
Revolutions frequency after collision
- bznm
- · Replies 4 ·
More Forces with some trig; I don't know where the mistake is
- iJamJL
- · Replies 6 ·
Velocity-Vs Time Graphs - 2nd problem
- koolkidx45
- · Replies 1 ·
Sketching Kinematic Graphs for a Person's Movement from a Reference Point
- koolkidx45
- · Replies 1 ·
Frictional force, velocity, and acceleration
- iJamJL
- · Replies 5 ·
Is Biconcave the Same as Double Concave?
- PCSL
- · Replies 1 ·
Spring Constant and Time Period
- Peter G.
- · Replies 1 ·
What Is the Viscosity of the Fluid in a Concentric Cylinder Viscometer?
- Opus_723
- · Replies 2 ·
Fluid mechanics calculating force needed to lift submerged disc
- Gman2013
- · Replies 3 ·
Point slope equation and velocity
- LearninDaMath
- · Replies 5 ·
How Do You Calculate Initial Current in a Multi-Capacitor RC Circuit?
- jforce93
- · Replies 2 ·
Phase difference b/w air-water interface and water-air interface
- c-murda
- · Replies 17 ·
Pressure from a 5kg ball on fingertip and water pressure at depth
- bpears
- · Replies 13 ·
Why electric potential of arc treated like point charge
- lonewolf219
- · Replies 5 ·
Dark matter density calculation
- skydivephil
- · Replies 3 ·
Charge distribution and electric field with concentric conducting shells
- beachy6
- · Replies 33 ·
Why does electric field strength increase as potential gradient decreases?
- Arshad_Physic
- · Replies 6 ·
Current from stream of particles
- jehan60188
- · Replies 3 ·
Finding incident angle when only deviation angle is known
- zebedi
- · Replies 12 ·
What Is Vo in a Power Source Diagram Circuit?
- rh23
- · Replies 1 ·
Electric field from very long wire
- Eats Dirt
- · Replies 1 ·
A force acts on a particle based on position, determine work. Sign question.
- r0wbrt
- · Replies 1 ·
Work and Voltage Change in Moving a Proton from Infinity to 0.16m
- ParoXsitiC
- · Replies 1 ·
Calculating Wavelength from Double-Slit Interference Pattern
- cupcakequeen
- · Replies 1 ·
Equilibrium under parallel forces
- th4450
- · Replies 3 ·
Resultant forces of coplanar systems
- SUCRALOSE
- · Replies 5 ·
Find how much a wire stretched at the bottom of swing of pendulum
- rezihk
- · Replies 3 ·
Find the Distance of a Toy Zebra from a Chute
- becky_marie11
- · Replies 3 ·
Velocity change by running engine for 1 year
- pridet8
- · Replies 6 ·
Ladder leaning against a wall friction factor
- Uniquebum
- · Replies 1 ·
How Do You Calculate Tension and Acceleration in a Two-Mass System?
- sb13
- · Replies 1 ·
What Frequency Causes a Rock to Lift Off a Vibrating Platform?
- aubailey
- · Replies 2 ·
Interrelation between energy and momentum
- joemomma
- · Replies 1 ·
Block on inclined plane with pulleys and friction
- phlstr
- · Replies 11 ·
Solving 2 Loop RC Circuit: Find I1(0)
- kjlchem
- · Replies 5 ·
Give a symbolic expression for submerging a metal in water
- Anna55
- · Replies 11 ·
What Is the Minimum Mass Needed to Move the Block in a Pulley System?
- jorcrobe
- · Replies 2 ·
A 1600 kg jet engine is fastened to the fuselage of a passenger jet
- sb13
- · Replies 4 ·
Force and Constant Acceleration Problem
- sb13
- · Replies 22 ·
If a 1000 kg car is moving at 10 m/s brakes to stop in 5 seconds.
- bmac88
- · Replies 1 ·
Finding a Function from Experimental Data
- albert12345
- · Replies 14 ·
Total work done on clay during Spring Compression
- Koscher
- · Replies 1 ·
Water Height in Bucket with Filling Hose
- PirateFan308
- · Replies 5 ·
At what phase is the heat capacity the greatest?
- Anna55
- · Replies 2 ·
Find Voltage on Y-Axis for y>>s
- Minhtran1092
- · Replies 3 ·
How Do You Calculate the Gravitational Force on a 2 kg Mass?
- armanio99
- · Replies 1 ·
How Does the Displacement Equation Calculate Position Changes in Physics?
- -Physician
- · Replies 3 ·
Acceleration (of an orange, 2 possible answers)
- supernova1203
- · Replies 2 ·
Is Electron Motion in a Loop Wire Accelerated?
- mindauggas
- · Replies 4 ·
What is the magnitude of the dipole's electric field at point P?
- McAfee
- · Replies 1 ·
Finding Relationship Information from Graph (direct proportionality)
- MohammadG
- · Replies 9 ·
Why conservation of energy fails for this inelastic puck collision
- jackspicer
- · Replies 2 ·
Relationship Between Charge, Mass, and Balloon Intrinsic Energy
- vivekrai
- · Replies 15 ·
To double the power dissipated by a resistor you can
- Pi Face
- · Replies 2 ·
Calc Work Req'd for 4 Charges in Figure
- shahin93
- · Replies 1 ·
Finding the minimum speed of a proton traveling between two parallel plates.
- Nat1104
- · Replies 1 ·
Concept: Air Resistance in Projectile Motion
- ibwm
- · Replies 3 ·
Elastic 2D Collision with Lots of Unknowns
- mindarson
- · Replies 1 ·
Net force on a particle with potential energy function
- Koscher
- · Replies 3 ·
Finding Electric Field Outside a Charged Conductor
- Suziii
- · Replies 2 ·
Spherical conductors connected by a wire.
- rofln
- · Replies 5 ·
Capacitor Problem involving a slab of Copper between a Capacitor
- Simon777
- · Replies 1 ·
Trying to find the appropriate motor for a sliding door
- CuriousNotion
- · Replies 1 ·
Calculating the Mass of Saturn Using Orbital Data
- Fysicsx
- · Replies 4 ·
Electric Field on Central Axis
- McAfee
- · Replies 3 ·
How Do You Calculate the Charge on Capacitor C5 in a Mixed Circuit?
- mrshappy0
- · Replies 8 ·
Simple Harmonic Motion with Impulse
- conorordan
- · Replies 1 ·
Speed of projectile launched propelled by air pressure
- Pharrahnox
- · Replies 6 ·
Photon-photon collision - electron-anti electron pair creation
- khfrekek92
- · Replies 4 ·
Instantaneous velocity from avg velocity with constant accelartion
- KeilB
- · Replies 3 ·
Simple Harmonic Motion conceptual question
- getty102
- · Replies 2 ·
Ideal Gas Law and pressure in a holder
- JSGandora
- · Replies 8 ·
Describing the motion of a graph.
- koolkidx45
- · Replies 7 ·
Finding theta on an incline plane
- jorcrobe
- · Replies 1 ·
Complex Numbers added as impedances in parallel
- Trespaser5
- · Replies 5 ·
When you drive a .36 kg apple, Earth exerts a force on It that
- KellySierra22
- · Replies 2 ·
How to Derive Velocity from Newton's Second Law?
- Niles
- · Replies 9 ·
Gauss' Law for nonconducting sphere
- armolinasf
- · Replies 7 ·
Net force and distance for a hockey puck with friction
- mom2maxncoop
- · Replies 12 ·
A box slides on top of a cart as a force is applied to the cart
- conorwood
- · Replies 1 ·
Pond Hockey: Vector Displacement Calculation
- dylanjames
- · Replies 1 ·
Magnetic Field required to seprate to ions
- Eng_physicist
- · Replies 2 ·
Electric potential energy of two fission daughter nuclei
- Alouette
- · Replies 5 ·
Vertical Deflection in Ink-Jet Printer
- Alouette
- · Replies 9 ·
Does 1 Joule of Energy Have a Distinct Mass?
- aaronfranz
- · Replies 2 ·
How Does Gauss' Law Apply to a Non-Uniformly Charged Hollow Sphere?
- hatsoff
- · Replies 3 ·
Electric Potential Difference in a Circuit with Emf Devices
- Sefrez
- · Replies 4 ·
Using cos and sin in ramp friction problems
- -Physician
- · Replies 7 ·
Lorentz Law field equation applied in a field
- shyguy79
- · Replies 9 ·
Newton's laws with buckets and strings
- runner2392
- · Replies 2 ·
How Does Wood Slow Down a Bullet?
- mandabox
- · Replies 3 ·
Calculating Mechanical Energy Lost to Friction on Ski Slope
- AD_3
- · Replies 1 ·
Calculate the Net Force Acting on the Object.
- Lewis_44
- · Replies 8 ·
Kinetic energy dissipation by friction
- NoobBR
- · Replies 5 ·