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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What is the minimum temperature for an air conditioned booth in Death Valley?
- bziegler
- · Replies 2 ·
Voltage and current calculation on a mixed circuit
- sylvarant
- · Replies 2 ·
Trace the path of the light ray and find angle of refraction
- Kris1120
- · Replies 1 ·
Coefficient of Friction and Forces
- pippintook
- · Replies 3 ·
Springs Equilibrium Length Question
- grenier11
- · Replies 1 ·
What Torque is Needed to Spin a 250g Disk to 2000 RPM in 4.5 Seconds?
- cyclemun
- · Replies 1 ·
How Do You Calculate the Force a Tractor Exerts on a Trailer on an Incline?
- owenhigdon
- · Replies 1 ·
Calculating Wave Speed: Pier Fishing Observation
- JJones_86
- · Replies 5 ·
How Do You Calculate the Moment of Inertia for an Off-Center Pivot?
- cyclemun
- · Replies 6 ·
Print ViewCoefficient of Expansion Conceptual Question
- doggieslover
- · Replies 2 ·
Force between a square loop and a long wire
- StephenDoty
- · Replies 7 ·
Calculating Weight to Make Balloon Rise 116m in 17s Using Archimedes Principle
- moeraeleizhaj
- · Replies 3 ·
Finding time and momentum after collision?
- darkchii77
- · Replies 1 ·
Moment of Inertia of a Physical Pendulum?
- Waich
- · Replies 7 ·
Spring constant and stretch when elevator accelerates upward
- Xtremeownage
- · Replies 5 ·
How far does a tractor move when a man jumps on a chain?
- pippintook
- · Replies 1 ·
Gravitational potential energy.
- cruisx
- · Replies 5 ·
How much force is needed to push a shopping cart up an incline?
- owenhigdon
- · Replies 2 ·
May you me with grade twelve physics?
- lanvin
- · Replies 6 ·
Nonuniform circular motion of particle
- dumbdude
- · Replies 3 ·
How do you see the sun after it has set?
- soggybread
- · Replies 1 ·
How to find intensity in double slit
- kelambumlm
- · Replies 1 ·
What Is the Expected Rate of Return on a $3 Million Investment Over Ten Years?
- jhayes
- · Replies 1 ·
Bits, Bytes, transmission rates
- Timiop2008
- · Replies 1 ·
Wave refraction in geological layers with Snell's law
- LukasNZ
- · Replies 1 ·
How Does Thrust Affect a Satellite's Orbit?
- Muteb
- · Replies 2 ·
Print ViewBlackbody Radiation and Continuous Spectra
- Sasa888
- · Replies 2 ·
What physics concepts apply to pianos besides mechanics?
- SMB20
- · Replies 1 ·
What is the Direction of the Net Force on Earth?
- laxanimal
- · Replies 6 ·
Wave Properties ans Sound Waves
- barfbite
- · Replies 1 ·
Physics Problem about Heat Phase Change
- fireandice
- · Replies 1 ·
Temperature Estimation for Compressed Air in an Internal Combustion Engine
- cubixguy77
- · Replies 1 ·
Torque/angular momentum/etc questions
- musicfairy
- · Replies 9 ·
Finding the mass of a planet using gravitational acceleration and radius
- PrometheuSIT
- · Replies 2 ·
Why is the sign negative in the kinematic equation Δy=VoyT-(1/2)gt²?
- Mindstein
- · Replies 2 ·
What is the magnitude of the torque about his shoulder
- leisiminger
- · Replies 1 ·
Why does an underwater lightbulb appear clear outside and opaque inside?
- physicsgator
- · Replies 1 ·
Radius of curvature of the cornea
- spaghed87
- · Replies 9 ·
What is the spring constant in this scenario?
- vincisonfire
- · Replies 3 ·
Solving a Carnot Engine Question: Power Output and Wasted Energy Calculation
- joe215
- · Replies 1 ·
Calculating Speed in an Elastic Bumper Car Collision
- Oliviam12
- · Replies 9 ·
Electrostatics charge density
- twotaileddemon
- · Replies 3 ·
Simple Harmonic Motion of a Bent Rod
- HelpMeJebus
- · Replies 3 ·
Can You Spot the Errors in These Physics Problem Solutions?
- musicfairy
- · Replies 17 ·
Radio Telescope Resolution - Centaurus A
- Timiop2008
- · Replies 1 ·
What is the acceleration of the elevator?
- Muteb
- · Replies 3 ·
Constructive/Destructive Sound Waves
- ultrapowerpie
- · Replies 1 ·
What is the shape of a mass vs. acceleration graph?
- liz777
- · Replies 4 ·
How Does Destructive Interference Occur Between Two Loudspeakers?
- anubis01
- · Replies 4 ·
Solve for Length of Stroke for Air Entering Tyre
- spirally
- · Replies 6 ·
Why is friction neglected in the equation for a rolling cylinder on an incline?
- ritwik06
- · Replies 7 ·
How are velocity and pressure related in Bernoulli's equation?
- senchamecad
- · Replies 2 ·
Calculating Water's Landing Point From a Hole in a Pool
- physhelp90
- · Replies 4 ·
I don't understand an assumption the textbook made ?
- twotaileddemon
- · Replies 4 ·
How to find frequencies giving the coeffiecent friction and amplitude?
- kelambumlm
- · Replies 3 ·
Barometer Tube Displacement: Solving for Isothermal Process
- Tidus
- · Replies 3 ·
Linear expansion coefficient of glass
- nslinker
- · Replies 8 ·
Water landing distance from pool hole using Torricelli's theorem
- physhelp90
- · Replies 10 ·
How Do You Calculate the Coefficient of Friction on an Inclined Slide?
- physicsgoon
- · Replies 2 ·
What is the purpose of an Atwood machine and how does it change acceleration?
- CaptainADHD
- · Replies 10 ·
Simple Harmonic Oscillator question
- mossfan563
- · Replies 6 ·
What Is the Relative Speed of Two Parts of a Spacecraft After Detonation?
- musicmaniac
- · Replies 12 ·
Bowling ball held on 30° incline by pulling parallel to surface
- Muteb
- · Replies 7 ·
Frictionless Bead Sliding Down A Parabola
- devon cook
- · Replies 1 ·
Single piston engine problem - position of piston
- grog
- · Replies 8 ·
Skier sliding down 35° frictionless slope, 185 m vertical drop
- CoffinSupply
- · Replies 6 ·
Connected masses, friction enabled
- CactuarEnigma
- · Replies 7 ·
Solid ball rolling inside a circular pipe without slipping
- zoner7
- · Replies 10 ·
The Time Limit for Jogging Before Irreversible Body Damage Occurs
- doggieslover
- · Replies 2 ·
Momentum and Its Relation to Force on a Rocket
- JPhillips
- · Replies 2 ·
How Is Force Calculated on a Submerged Object's Window at Extreme Depths?
- iseidthat
- · Replies 4 ·
How do you find average net force from velocities and distance?
- Maiia
- · Replies 4 ·
How Do You Calculate the Specific Gravity of Alcohol?
- Soojin
- · Replies 1 ·
Object dropped onto spring with energy conservation
- Th3Proj3ct
- · Replies 7 ·
Energy Lost to Friction in Spool Experiment
- sullyjared
- · Replies 7 ·
How much force will be required to remove the lid?
- iseidthat
- · Replies 1 ·
Air Pressure and Water Pressure
- vrobins1
- · Replies 1 ·
Finding final velocities in elastic collision with one object at rest
- fluidistic
- · Replies 2 ·
Force needed to lift the lid off an evacuated box
- vrobins1
- · Replies 1 ·
A nonconducting spherical shell problem
- noppawit
- · Replies 1 ·
Calculating Final Body Temperature After Soda Consumption
- doggieslover
- · Replies 1 ·
Conservation of Momentum and Kinetic Energy
- Blangett
- · Replies 2 ·
Law of Conservation of Energy- mass and spring
- Maiia
- · Replies 2 ·
What force do ropes exert on a sign
- ahrog
- · Replies 1 ·
How Does the Angle of Incline Affect Train Motion Calculations?
- physicsgoon
- · Replies 2 ·
What Happens to the Acceleration When the Thread Snaps?
- Ulti
- · Replies 1 ·
Einstein model of solids, energy in joules of one quantum
- Deadsion
- · Replies 3 ·
Satellite thrust and rope tension calculations
- Muteb
- · Replies 7 ·
Derive the magnitude and direction of the linear acceleration
- saltine
- · Replies 1 ·
What Is Poynting's Vector and How Is It Calculated?
- Jack_O
- · Replies 1 ·
Why Doesn't the Moon Have a Thick Atmosphere?
- sandhiya
- · Replies 2 ·
Solid ball suspended in hollow ball rolling down incline
- invisiblewar
- · Replies 2 ·
Theoretical electronics problem
- aranud
- · Replies 1 ·
Inelastic collision to angular motion
- Rubber Band
- · Replies 1 ·
How do you calculate the net efficiency of a series of heat engines?
- Epictetus
- · Replies 8 ·
How can the weight of the ball be determined when submerged in the beaker?
- doggieslover
- · Replies 2 ·
How Does Hitting a Corked, Water-Filled Soda Bottle with a Fist Break It?
- doggieslover
- · Replies 2 ·
Moving loudspeaker from constructive to destructive interference
- reality99
- · Replies 1 ·
Young's double slit and interference maximums
- DWill
- · Replies 1 ·
Gravitational Forces between three stars
- NivekOh
- · Replies 4 ·