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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Average Force and Momentum: What is the Relationship Between Impulse and Force?
- e(ho0n3
- · Replies 2 ·
Solving Flotation Problem: Estimate a Polar Bear's Mass
- WhackyWookie
- · Replies 3 ·
Coaxial capacitor with varying dielectric constant K(r)
- Beer-monster
- · Replies 3 ·
Annuities: Determining the Interest Rate
- Itachi
- · Replies 3 ·
Stationary Points of Inflection
- Cummings
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Friction and nonconstant acceleration?
- Zorodius
- · Replies 3 ·
Acceleration Graphs/Tangent Lines
- Marcules
- · Replies 3 ·
Boat drops a hat at point B, catches it at point D—what's the water current?
- PoetryInMotion
- · Replies 3 ·
Physics correspondence course: forces, collisions, fields, magnetism
- i_wish_i_was_smart
- · Replies 7 ·
Finding a Common Household Toy for Physics Presentation
- lalota
- · Replies 7 ·
Synodic period of Jupiter and opposition interval
- cassiopeiae
- · Replies 4 ·
Geometric Sequence; Arithmetic Sequence w/o 2,3,7
- mustang
- · Replies 2 ·
Just these two problems I'll be done.
- mustang
- · Replies 2 ·
Centripetal force on a car turning
- adamg
- · Replies 9 ·
Motion in one dimension of a swimmer
- Alice-Shallom
- · Replies 2 ·
Alternating Current Circuits and Electromagnetic Waves
- ScoutFCM
- · Replies 2 ·
How Much Steam Is Needed to Heat Water in a Copper Calorimeter to 50°C?
- Cummings
- · Replies 2 ·
How Deep Does a Lake's Water Level Drop Annually Due to Local Consumption?
- slayerdeus
- · Replies 7 ·
Solving Differential Equations: Latex Code for Division Form
- Physics is Phun
- · Replies 4 ·
Standard Deviation explaination
- Elkay
- · Replies 2 ·
What is the final temperature of the soup after the ice has melted?
- mustang
- · Replies 5 ·
Are My Calculations on Vector Functions and Fields Correct?
- galipop
- · Replies 2 ·
Why do diamonds appear brilliant with high refractive index?
- wikidrox
- · Replies 4 ·
How to solve a hard question involving multiplication of ln(t) and sin(t)
- dagg3r
- · Replies 3 ·
Showing GMm(1/r1 - 1/r2) equals mgh near Earth's surface
- wikidrox
- · Replies 5 ·
Risk Assessment of Intended Procedures for Cathode Ray Tubes
- FcUk
- · Replies 2 ·
Calculating velocities to be gained in positioning
- beansbaxter
- · Replies 3 ·
Are There Flaws and Restrictions in Geometry Theorems?
- TsunamiJoe
- · Replies 8 ·
Swinging Mass: Angular Velocity & Period
- Hyperreality
- · Replies 2 ·
What Is the Magnitude and Sign of Earth's Electric Charge?
- wikidrox
- · Replies 3 ·
Newton's 2nd Law Question PHYCS110
- NanoTech
- · Replies 2 ·
Static Equilibrium and frictionless inclined plane
- zillea
- · Replies 2 ·
Calculating the force of an object
- beansbaxter
- · Replies 2 ·
How should a hunter aim to hit a target? Kinematics problem
- slayerdeus
- · Replies 2 ·
Electric field at and inside a thin hollow sphere with surface charge
- PinkFlamingo
- · Replies 3 ·
Index of refraction of the plexyglass
- dsafla
- · Replies 2 ·
Potential Energy and Conservative Force Question
- e(ho0n3
- · Replies 7 ·
What is the Electric Potential at the Centre of a Charged Hollow Metal Sphere?
- drixz
- · Replies 2 ·
What is the mass of the aluminium chunk?
- mustang
- · Replies 2 ·
Finding the partial derivative of t = x/√(x² + y²) with respect to x
- galipop
- · Replies 9 ·
Sports car stopping distance: average acceleration from 95 km/h over 44 m
- slayerdeus
- · Replies 8 ·
Solve Parabola Problem 45: Vertex, Axis of Symmetry, Focus, and Directrix
- mustang
- · Replies 5 ·
Math in Parachuting and Skydiving
- amarie
- · Replies 2 ·
Measuring moon positions for Jupiter mass determination experiment
- Slimchandi
- · Replies 1 ·
How does the movement of water affect resistance?
- ponjavic
- · Replies 10 ·
How Is the Focal Length Determined When an Object and Its Image Coincide?
- no idea
- · Replies 2 ·
Why Do Particles c and d Vibrate in Phase with Particle b in a Wave?
- Johnny Leong
- · Replies 2 ·
How Do I Solve These Torque Diagram Problems?
- orgo
- · Replies 2 ·
Solving a Trigonometric Equation with Identities
- Johnny Leong
- · Replies 2 ·
How Do You Calculate the Net Force on Particles in a Line with Varied Charges?
- pinxzka
- · Replies 2 ·
Where is the electric field is zero?
- 3.14159265358979
- · Replies 2 ·
Finding wavelength from nodal lines in a ripple tank interference pattern
- wikidrox
- · Replies 2 ·
2 Masses, A pulley, Friction and an incline problem
- undertow2005
- · Replies 10 ·
Taking readings for temperature
- exequor
- · Replies 6 ·
The Work and Potential Energy of Two Masses at a Distance R
- e(ho0n3
- · Replies 5 ·
Harmonic oscillations and electric dipoles
- PinkFlamingo
- · Replies 4 ·
Pendulum problem using Lagrangian approach
- Luminous Blob
- · Replies 6 ·
How High Must the First Hill Be for a Skier to Lose Contact at the Crest?
- Klassic
- · Replies 6 ·
What is the maximum acceleration for an elevator during normal operation?
- mcgooskie
- · Replies 3 ·
Enriching Uranium: Gas Centrifuge Method
- Tom McCurdy
- · Replies 2 ·
Magnetic field and direction of motion
- UrbanXrisis
- · Replies 11 ·
Calculating Spring Constant for Safe Elevator Rest - Closure Needed
- e(ho0n3
- · Replies 4 ·
At what angle does the upper end of the plank leave the wall?
- D_drayton
- · Replies 2 ·
Solve Vector Problems with Co-ordinates - Maths Higher Exam Prep
- KaNe
- · Replies 4 ·
Resistance of copper vs glass problem
- cseet
- · Replies 2 ·
How Does the Ideal Gas Law Apply to Changing Conditions in a Gas System?
- mustang
- · Replies 2 ·
Why Does S.H.M. Have Two Functions for Displacement?
- creativeassault
- · Replies 2 ·
Person-jumping-out-of-a-moving-boat problem
- redshift
- · Replies 3 ·
How Far Does a Boat Travel When Accelerating on a Lake?
- orgo
- · Replies 2 ·
Problems with some multivariable calc
- mramadan
- · Replies 4 ·
Can't find normal and tension force
- badboyben03
- · Replies 2 ·
What Is the Value of m in the Balmer Series Equation for Spectroscopy Analysis?
- UrbanXrisis
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What is the Impulse of a Baseball Bat on a 0.15 kg Ball Traveling at 6.0 m/s?
- redshift
- · Replies 10 ·
Why does 2^(-log₂(x)) simplify to 1/x?
- repugno
- · Replies 2 ·
Find the number of multiples of 7 between 30 and 300
- mustang
- · Replies 4 ·
Using Shift Instructions with 8-bit Microprocessors
- 001
- · Replies 2 ·
How Do Open and Closed Tubes Affect the Sound and Harmonics of a Musical Note?
- Johnny Leong
- · Replies 4 ·
Solve Algebra 2 Problems 3, 7, 9 & 19
- mustang
- · Replies 3 ·
Specific heat capacity and magnification
- Faizan
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What is the meaning of E in calculator notation?
- cseet
- · Replies 7 ·
Biology- parts of fetal pig brain
- rasperas
- · Replies 2 ·
General Rotation applied to a bicyclist in a turn
- Theelectricchild
- · Replies 9 ·
Green function and the boundary conditions
- lost_boy
- · Replies 4 ·
Finding limits for area of intersection of r=4sinθ and r=4cosθ
- tandoorichicken
- · Replies 2 ·
Selecting Marbles from a Bag: Combinatoric Question
- phoenixy
- · Replies 5 ·
Tarzan swinging on a vine and high jump energy problems
- krypt0nite
- · Replies 4 ·
How Does the Ideal Gas Law Solve Temperature and Volume Changes in Gases?
- mustang
- · Replies 5 ·
A2 OCR physics planning exercise: cooling a light bulb
- little me
- · Replies 3 ·
Calculating Power and Torque for Rotational Motion
- Cyannaca
- · Replies 4 ·
Light bulb temperature variation
- BananaMan
- · Replies 2 ·
How Do Momentum, Impulse, and Impact Relate to Newton's Second Law?
- thingsfallapart
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Model Car Formula: Fastest Time on Track
- jacko88
- · Replies 2 ·
Finding mass of a radioactive sample from MeV and Bq
- bayan
- · Replies 2 ·
Find the distance d that places the final image at infinity.
- justagirl
- · Replies 2 ·
How Does the Angle Between Mirrors Affect Light Refraction and Deviation?
- raspb3rry
- · Replies 2 ·
Amusment park yesterday for physics class
- Format
- · Replies 2 ·
Finding parabola equation from three intersection points of lines
- dmbeluke
- · Replies 2 ·
Electric force between two spheres?
- UrbanXrisis
- · Replies 13 ·
What are some challenging questions about atomic structure and gas laws?
- Chris_w
- · Replies 2 ·
Integral of (1/x)(ln x)^2 using substitution
- st3dent
- · Replies 3 ·