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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Find the equation of the hyperbola with centre at the origin
- blue_soda025
- · Replies 5 ·
What is the minimum radius for a safe and effective space station?
- LHS Students
- · Replies 8 ·
Proving integral of continuous non-negative f is positive when f(c) > 0
- stunner5000pt
- · Replies 8 ·
Claculate the final speed of a skier who skis down a hill
- lochs
- · Replies 7 ·
Can u simplify this further? (25-x) / (-25-x)
- punjabi_monster
- · Replies 3 ·
How Does Height Affect Blood Splatter Area in Experiments?
- Garret
- · Replies 2 ·
How tall must a plane mirror be to see your full reflection?
- Novus Dakota
- · Replies 2 ·
Calculate Resistance Needed to Reduce Current to 0.198 Amps in Series Circuit
- mgiddy911
- · Replies 2 ·
Two heaters in series: why can't I just add the power values?
- Winner
- · Replies 16 ·
Find the planet's mass from moon orbital period and radius
- the_d
- · Replies 2 ·
Vout Impact of Taking Current from Potential Divider
- Mo
- · Replies 13 ·
Definite Integral of ln*algebraic function
- maverick280857
- · Replies 21 ·
How Is Average Force Calculated When Catching a Baseball?
- lochs
- · Replies 2 ·
Does vector projection distribute over addition?
- Poobel
- · Replies 6 ·
How Does a Spring's Compression Relate to Block Height and Work Done?
- InFiNiTeX
- · Replies 2 ·
What is the required force to keep a box from sliding on a frictionless ramp?
- Poobel
- · Replies 8 ·
Simpson's rule with 6 intervals from x=16 to x=22
- JasonJo
- · Replies 3 ·
Calculating Potential at Point Above Uniformly Charged Square of Side 2a
- Phymath
- · Replies 5 ·
Simple Volume Problem: Solving for x and Rotating a Region around the Y-Axis
- mewmew
- · Replies 3 ·
Calculate the amount of food needed to walk a distance of 30 km
- jmandas
- · Replies 2 ·
Finding the unknown voltage with a potentiometer circuit
- eil2001
- · Replies 3 ·
I know im forgetting something simple
- bemigh
- · Replies 2 ·
What is the satellite's instantaneous velocity
- shorti2406
- · Replies 2 ·
Reaction time of Light Dependant Resistors
- oli_collins
- · Replies 2 ·
Solving 10 Ohm Resistor Problem: Min 3 in Series/Parallel
- Berg
- · Replies 2 ·
Calculate the gravitational force between these spheres
- the_d
- · Replies 2 ·
Find Equations for Differentials of 9y^2=x^3+3x^2 at (1,2/3), (-2,2/3), (-3,0)
- erik05
- · Replies 2 ·
Coefficient of kinetic friction on ramp
- UrbanXrisis
- · Replies 2 ·
Heat-Related Problem: Is Inverse Proportion True?
- mengshuen
- · Replies 2 ·
Calculating Maximum Height of a Ball Thrown at an Angle
- mugzieee
- · Replies 7 ·
Physics: conservation of energy and springs
- InFiNiTeX
- · Replies 3 ·
Solving Force and Motion Problems with Friction
- whatsmyname
- · Replies 2 ·
Young's modulus and key properties of steel for A-level presentation
- JosephF
- · Replies 2 ·
Solving for Parallel Tangent Lines: A Confusing Example
- zenity
- · Replies 5 ·
Find initial velocity of the spaceship
- TyFelmingham
- · Replies 3 ·
How Do You Calculate the Limit of (2n-1)/(3n+1) as n Approaches Infinity?
- shan
- · Replies 5 ·
Finding a formula for partial sums of (1.01)^n
- shan
- · Replies 4 ·
Find the Fake Coin: Weighing Strategy with 27 Coins in 3 Attempts
- Some_Student
- · Replies 2 ·
Percent Abundance of Br-81 in Bromine
- mugzieee
- · Replies 2 ·
Answer: Calculate Time for Heat Loss to Rise to Normal
- Kcoats
- · Replies 2 ·
General Physics 1: Calculating Force for Constant Speed
- Kp0684
- · Replies 2 ·
Deflection of electron in electric field
- blue_soda025
- · Replies 2 ·
External torque needed to keep a small rotating loop in motion
- heman
- · Replies 10 ·
How can I prove s(n+1) = t(n) + t(n+1) for all positive integers n?
- lvlastermind
- · Replies 5 ·
Probability and chance of failure
- Zach_C
- · Replies 3 ·
Acceleration and time of blocks with friction acting
- cde42003
- · Replies 3 ·
Will a solid sphere float if a hollow sphere of the same weight floats?
- FlaMiNxSkullx05
- · Replies 10 ·
Echo-based Valley Width Calculation - Knowing the Speed of Sound
- Kdawg
- · Replies 2 ·
How Does a Proton's Path Change in a Magnetic Field?
- Jacob87411
- · Replies 10 ·
Angular momentum when rotation axis doesn't pass through the center of mass
- elessar_telkontar
- · Replies 10 ·
Implicit differentiation and a bicorn curve
- erik05
- · Replies 4 ·
Evaluating Improper Integral of $\frac{x\arctan{x}}{(1+x^2)^2}$
- neik
- · Replies 4 ·
Ratio problem: brand Y refrigerators out of 100 sold
- homegrown898
- · Replies 7 ·
Solving Spherical Charge Distribution Problems - Physics
- Gale
- · Replies 7 ·
Solve Temperature Problem: 8.7 Deg C
- Kcoats
- · Replies 2 ·
Which is the 9th term where do i stop adding?
- aisha
- · Replies 9 ·
How Does Changing Frequency Affect Capacitance in an AM Radio Tuner?
- airkapp
- · Replies 2 ·
Why? Series question easy but dont know what to write.
- aisha
- · Replies 2 ·
Solve Stoichiometry Problems with HCl and Marble
- DB
- · Replies 18 ·
What are the properties of a muonic atom?
- PhatPartie
- · Replies 2 ·
Calculate RMS Speed of Helium at 361K
- R.Harmon
- · Replies 2 ·
Disk speed NON UNIFORM and UNIFOR CIRCULAR MOTION
- sevens
- · Replies 3 ·
How Is the Net Charge Calculated in a Cube Within a Vertical Electric Field?
- Gale
- · Replies 8 ·
Maximum Energy transfer in Compton Effect
- PhatPartie
- · Replies 2 ·
Physics Questions: Frictionless Incline + Pendulum Speed
- convict11
- · Replies 4 ·
Why Does My Physics Book Use L/2 for Calculating Linear Acceleration?
- UrbanXrisis
- · Replies 3 ·
How Does Rutherford Scattering Explain Particle Detection at Specific Angles?
- PhatPartie
- · Replies 2 ·
Motion: How to Calculate Speed with Acceleration?
- Kamataat
- · Replies 5 ·
Modular arithmetic with RSA and large power exponentiation
- JaeSun
- · Replies 1 ·
Lots of great physics info at Answers.com
- chesterdaly
- · Replies 2 ·
Elastic Collision: Find Speed of Protons After Collision
- shamockey
- · Replies 2 ·
Potential Energy of an Atom Due to Its Charge Distribution
- Hoofbeat
- · Replies 2 ·
Heat flow through a rod with varying cross-section
- Wiz
- · Replies 2 ·
Proving the L¹ norm is a norm and completeness of C⁰([-1,1])
- Neoma
- · Replies 3 ·
Tennis ball impulse at 45.4° striking and rebounding from ground
- Jayhawk1
- · Replies 4 ·
How much work is done by friction in this process?
- Jayhawk1
- · Replies 5 ·
What is the Formula for Newton's Law of Cooling?
- Physically Impaired
- · Replies 3 ·
Finding wave frequency by using a strobe
- primarygun
- · Replies 3 ·
Relativistic kinetic energy of electron from momentum
- nemzy
- · Replies 4 ·
How Does the Angle Affect Bead Stationarity in Rotating Circular Motion?
- kidia
- · Replies 2 ·
Do Waves Behave Differently in Various Scenarios?
- Jameson
- · Replies 2 ·
How Does Simplifying the Expression L√(3g/L) * L√(3g/L) Compare to 3gL?
- UrbanXrisis
- · Replies 2 ·
Parallel plate capacitor and point charge problems
- n3ro
- · Replies 2 ·
How Do You Calculate the Net Magnetic Field Between Two Wires?
- waywardtigerlily
- · Replies 2 ·
Force between hemispheres of a charged metal sphere
- AKG
- · Replies 2 ·
Why is Sphere B Negatively Charged? Physics Explanation
- Soaring Crane
- · Replies 1 ·
One more Quantum Matrix question
- Ed Quanta
- · Replies 4 ·
How Can You Connect Four 5 Ohm Resistors for an Equivalent Resistance of 5 Ohms?
- paebo
- · Replies 13 ·
Proving Integral of f is 1 When x = 1/n
- stunner5000pt
- · Replies 12 ·
How do u graph these without using a graphing calculator?
- gillgill
- · Replies 2 ·
Electric Field of 90° Arc of 2 Wires w/ Uniform Charge - Q/πR^2
- Gale
- · Replies 4 ·
Express the area of an equilateral triangle as a function
- gillgill
- · Replies 5 ·
Coulomb's law problem with charged clouds separated by stellar diameter
- Femme06Fatale
- · Replies 2 ·
Cartesian coordinates and torque
- RhysticGenesis
- · Replies 2 ·
How do you find out where a series converges
- stunner5000pt
- · Replies 4 ·
Double integral of √(x² + y²) over unit square using change of variables
- ninjacookies
- · Replies 7 ·
Couple of electromagnetics questions
- formulajoe
- · Replies 6 ·
Using Newton's Laws to Escape a Frozen Lake
- moneyman4206
- · Replies 3 ·
What is the velocity of the boat relative to the water
- carltonblues
- · Replies 2 ·