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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Estimate Temperature of Mars Using Sun's Heat
- Manda_24
- · Replies 4 ·
Airplane climbing 20 degrees at 100 HP gaining altitude in 10 minutes
- littlejim
- · Replies 1 ·
Thermal Expansion of Water in glass
- ManuelGR
- · Replies 4 ·
Thermal Expansion Concrete Problem
- Mr. Goosemahn
- · Replies 7 ·
Easy/fustrating doppler queston - rather
- hadroneater
- · Replies 3 ·
Why Do Two Stones Thrown Off a Cliff Make a Single Splash?
- fantolay
- · Replies 1 ·
How Does Torque Affect Angular Momentum in Circular Motion?
- EV33
- · Replies 1 ·
Acceleration of a pulley. Torque, and moment of inertia.
- EV33
- · Replies 2 ·
Unbalanced Forces on Ramp with Tension
- RivalDestiny
- · Replies 1 ·
Rotational kinetic energy and moment of inertia
- court2011
- · Replies 4 ·
Mouse on grandfather clock hand torque calculation
- mvl46566
- · Replies 1 ·
How Do I Solve This Natural Logarithm Problem?
- empty.soul
- · Replies 1 ·
Water flow rate and velocity through tank drain hole
- captainjack2000
- · Replies 2 ·
Can a ball stay on a track with a given height and friction coefficient?
- yoni162
- · Replies 2 ·
What is the quantum of energy for an atomic oscillator in a block of magnesium?
- kkranz_gatech
- · Replies 11 ·
Conservation of Momentum in a explosion
- mvl46566
- · Replies 1 ·
How much uranium-235 does a nuclear power generator consume to generate 1.5 GW?
- swilson31
- · Replies 5 ·
Finding Work Done by a Spring Force on a Pen
- maw07005
- · Replies 1 ·
Solve Momentum Question: 5kg Object, 15 kg m/s, 8 m/s in 15s
- zaga04
- · Replies 1 ·
Uniform centripetal acceleration
- Panix
- · Replies 1 ·
Solving Ro + 0.4Ro = 140
- Kev1n
- · Replies 2 ·
Einstein's Predictions and the Role of Thought Experiments in Relativity
- doc.madani
- · Replies 2 ·
How Is the Initial Upward Acceleration of a Weather Balloon Calculated?
- matt_crouch
- · Replies 3 ·
What is the heat flow through the ceiling into the attic in 4.5h?
- tquiva
- · Replies 1 ·
How to Improve the Smoothness of Thin Film Samples?
- Geekio
- · Replies 3 ·
Finding amplitude in SHM from displacement, velocity and acceleration
- mudkip9001
- · Replies 12 ·
Should heavier bungee jumpers use shorter rope?
- Sam1234
- · Replies 1 ·
Orbital Velocity of Equatorial Satellite at 352,000 km
- cortozld
- · Replies 4 ·
Change in thermal energy of gas
- Beastegargoyl
- · Replies 6 ·
Pressure on a window of a submarine
- indietro
- · Replies 4 ·
How long does a ball with a mass m take to hit the ground?
- stephanna
- · Replies 7 ·
Hooke's Law derivation problem involving two blocks
- Emethyst
- · Replies 4 ·
Multiple charges and coulombs law
- chocoiste
- · Replies 1 ·
Spring Scale Readings for MassesSpring Scales Mass Force !
- mr.mair
- · Replies 3 ·
How Do You Calculate Force and Work for a Suspended Spool in Rotational Motion?
- Minihoudini
- · Replies 1 ·
Pivoted coin: finding distance d for maximum oscillation frequency
- Piglet1024
- · Replies 1 ·
Maximum speed of a 1.90g particle oscillating between x=2mm and x=8mm
- jmm
- · Replies 8 ·
What is the distance between the motion sensor and the cart
- Mr. Goosemahn
- · Replies 3 ·
Solving a Simple Work/Energy Problem: Finding the Correct Magnitude and Sign
- danago
- · Replies 5 ·
Tension in a string whirling a 40 gram stone
- PsychoPowell
- · Replies 11 ·
F=MA + Average Acceleration etc.
- balllla
- · Replies 2 ·
Understanding Gauss' Law for Electric Fields
- sponsoredwalk
- · Replies 7 ·
Why does moment of inertia for a disk use (1/2)r² instead of r²?
- driven4rhythm
- · Replies 4 ·
How Do Magnetic Fields Affect Levitating Conductors and Current-Carrying Wires?
- Mspike6
- · Replies 3 ·
Conical Pendulum with free sliding ring
- Identity
- · Replies 3 ·
Finding force to accelerate a projectile at 3.00×10³ m/s²
- balllla
- · Replies 2 ·
Applied Force ,Kinetic Friction, Static Friction involving two stacked masses
- abpandanguyen
- · Replies 9 ·
Relative velocity - find airspeed
- Delta G
- · Replies 1 ·
Relating Potential Energy and Kinetic Energy with springs and inclines
- abpandanguyen
- · Replies 5 ·
Kenetric Energys, verolcity and mass of a falling object?
- stephanna
- · Replies 1 ·
Finding the acceleration of a balloon
- kelsif
- · Replies 2 ·
Projectile Motion: Glider Release Speed and Time to Reach the Ground
- Delta G
- · Replies 3 ·
Solving Heat Engine Problem: Power Output Calculation
- abro369
- · Replies 1 ·
Bonus: How much energy did the bat transmit to the ball?
- laurenyntema
- · Replies 1 ·
Physics: Specific heat capacity of a solid
- mag_icando
- · Replies 4 ·
How to find the equivalent Resistance of these circuits
- Aafour
- · Replies 8 ·
When the rocket reaches its maximum height, what is its kinetic energy?
- laurenyntema
- · Replies 4 ·
What Equation Determines the Velocity for a Basketball Shot?
- Leonof
- · Replies 5 ·
Magnetic Field of 10cm Square Loop w/ 0.3A Current
- tag16
- · Replies 9 ·
How Is Displacement Calculated in Projectile Motion on Mars?
- Delta G
- · Replies 1 ·
Solving Frictionless Pulley System: Acceleration & Tension Force
- slobodan48
- · Replies 6 ·
Period of torsional pendulum after cutting meter stick
- Bryon
- · Replies 2 ·
Calculating Maximum Kinetic Energy of a Vibrating Ball
- rr263
- · Replies 4 ·
What is the velocity of each plane after three hours?
- thovia
- · Replies 3 ·
Why doesn't the solenoid's area matter for induced emf in a loop?
- xcvxcvvc
- · Replies 2 ·
Where Would a Wooden Ball Accelerate When Thrown Up and Then Let Fall Down?
- George16
- · Replies 1 ·
How Does a Spring's Compression Relate to Work and Energy in Physics Problems?
- Mathieu
- · Replies 7 ·
How Do You Calculate the Mass of a Star Based on Its Planet's Orbit?
- od943
- · Replies 3 ·
Work and power in weightlifting
- Givhaa24
- · Replies 1 ·
How long for braking force to stop a spinning sphere?
- Kaxa2000
- · Replies 13 ·
Equations governing metronome oscillations
- ACE_99
- · Replies 3 ·
Moment of inertia of square particle arrangement and cube with spherical cavity
- joemama69
- · Replies 2 ·
Simple Harmonic Motion of a Rigid Body
- Cintdrix
- · Replies 2 ·
Rolling disk: kinetic energy, point speeds, and acceleration down an incline
- joemama69
- · Replies 1 ·
Athlete jumping on force platform: impulse, velocity, and height
- Zero Gravity
- · Replies 4 ·
How Do You Solve a Physics Problem Involving Two Masses and a Pulley?
- joemama69
- · Replies 1 ·
Tin decay using separable equ's
- jenettezone
- · Replies 1 ·
Acceleration of vehicle when given torque to the wheels
- sngl_cam
- · Replies 10 ·
What is the capacitance of the circuit problem.
- tag16
- · Replies 2 ·
Mechanics, Uniform Circular Motion
- priscilla89
- · Replies 3 ·
How Fast Was the NASCAR Race Car Going?
- TungYee32
- · Replies 1 ·
Can Bob measure heat flow and entropy on a glacier using a metal rod experiment?
- TungYee32
- · Replies 2 ·
Closed system piston cylinder device problem
- ricof
- · Replies 3 ·
Moment of Inertia of a Disk and mass
- drj1
- · Replies 3 ·
Calculating Work Done by Friction on a 55kg Cart with 200N Horizontal Force
- williamx11373
- · Replies 1 ·
Multiple choice velocity/acceleration
- williamx11373
- · Replies 1 ·
Latent heat of vaporization of H2O ?
- mr.coon
- · Replies 10 ·
Solve Balloon Height: Buoyancy & Weight Problem
- bolivartech
- · Replies 4 ·
Gravitational elevator (physics Torque question)
- sweetiev
- · Replies 1 ·
Youngs Modulus. Copper wire experiment
- Gregg
- · Replies 7 ·
Ball thrown from 490m building with 200m/s initial velocity
- tolu
- · Replies 5 ·
Universal Gravitation and neutron stars
- 1st2fall
- · Replies 2 ·
Solving the Cart Friction Problem: Calculating Work Done by Force of Friction
- williamx11373
- · Replies 1 ·
Finding ball velocity after bat collision with given angle
- rattisuk
- · Replies 3 ·
Speed of block pushed by spring and crate on ramp
- Power of One
- · Replies 1 ·
How to calculate resistance and voltage using a multimeter
- jumbogala
- · Replies 4 ·
Spring-block system work problem with two positions
- A_lilah
- · Replies 1 ·
Work and force problem (piano moving on an incline)
- balletgirl
- · Replies 3 ·
Calculating temperature of a system
- enjoi668
- · Replies 10 ·
Solve Energy Needed to Raise 2000kg Lift to 10m
- kabton14
- · Replies 1 ·