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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Can I apply volume expansion this way?
- 1MileCrash
- · Replies 1 ·
I can't figure this one out thermal expansion of rod and ruler
- 1MileCrash
- · Replies 1 ·
Find Angular Velocity of Centrifuge with Particle 10.0 cm Away
- Miike012
- · Replies 2 ·
Calculating Real Depth from Apparent Depth and Observation Angle
- John982
- · Replies 8 ·
Determine the length of a pendulum on the moon
- cscharvel53
- · Replies 1 ·
Calculating heat req. by fuel in boiler, interpolation needed.
- mt05
- · Replies 4 ·
Does friction decrease after overcoming static friction?
- goomer
- · Replies 1 ·
Magnetic field due to two looped wires
- physicsjock
- · Replies 8 ·
Rotating Cylinder of Variable Density
- NotACrook
- · Replies 14 ·
Find Angle of 5kg Mass Suspended from Cord
- lcp1992
- · Replies 1 ·
Angular momentum of a two particle system
- majorbromly
- · Replies 3 ·
What is the Relationship Between Snell's Law and the Index of Refraction?
- Peter G.
- · Replies 1 ·
Elastic Potential energy problem (simple)
- Nano-Passion
- · Replies 8 ·
Calculating Time Dilation for a Spacecraft Traveling to Proxima Centauri
- grouper
- · Replies 4 ·
Moment of inertia of a hollow disk with a metal ball inside
- goomer
- · Replies 3 ·
Elevator descending on spring: why do I get v=1.4 m/s instead of the right answer?
- Nano-Passion
- · Replies 8 ·
Why does a diamond sphere with zero emissivity reach infinite temperature?
- bulbasaur88
- · Replies 1 ·
Identifying cathode material from photoelectric effect data
- dontpunchme
- · Replies 6 ·
Number of interference fringes visible in the central diffraction peak
- Cade
- · Replies 6 ·
Static 2d body, force in member unknown
- togo
- · Replies 3 ·
Calculate tension in a rope (pulley-rope-mass system)
- MarliesM
- · Replies 1 ·
What is the angle for perfect light blockage through a polarizer?
- Cade
- · Replies 2 ·
Solve Work-Energy Problem: 2kg Mass Down Frictionless Hill
- sasuke07
- · Replies 3 ·
How can you measure the volume of a floating irregular object?
- arjose
- · Replies 5 ·
Rod ontop two parallel influenced by B field
- Daniiel
- · Replies 6 ·
How Is Binding Energy Calculated for Lithium-6 Nuclei?
- Physics Help!
- · Replies 3 ·
How to get coefficient of f^k without mass and without constant force
- MrMaterial
- · Replies 10 ·
Finding resultant of 5 vectors with different directions
- katieb123
- · Replies 6 ·
Why is the angle 90 degrees between equal-mass objects after elastic collision?
- ambsop
- · Replies 7 ·
How can we get enough water to a skyscraper 50+floors
- ARCHISOUL
- · Replies 4 ·
Infinitely Long Parallel Rectangular Parallel Strips (H field)
- jegues
- · Replies 4 ·
Circular motion problem ON THANKSGIVING
- SchruteBucks
- · Replies 6 ·
Capacitors reconnected (finding charge and potential)
- luigidorf
- · Replies 2 ·
How Do You Calculate Spring Extension in a Series Configuration?
- bmxicle
- · Replies 3 ·
How Does Air Resistance Affect a Moving Tennis Ball?
- jd2
- · Replies 9 ·
Doppler Effect? Happy Thanksgiving
- valeriex0x
- · Replies 15 ·
Uniformly Magnetized Cylinder (B/H Field)
- jegues
- · Replies 3 ·
Speed of Pendulum Bob at Lowest Point
- jamman751
- · Replies 4 ·
Why does current flow through an inductor at t=0 with no initial conditions?
- MotoPayton
- · Replies 20 ·
Time is directed from present to future.is it a vector quantity
- angi-18
- · Replies 2 ·
Help with a physics calculation in an Excel sheet
- ZedCar
- · Replies 7 ·
Oscillations, two masses on opposite ends of the same spring
- rubenhero
- · Replies 7 ·
Mechanics question, structure with unknown forces
- togo
- · Replies 4 ·
How tightening a string affects frequency?
- N53nick
- · Replies 1 ·
Resistance series and parallel
- bathtubbuddy
- · Replies 1 ·
What is the resulting amperage from a Leyden jar discharge?
- Juanka
- · Replies 1 ·
Fundamental frequency of a stretched string
- lykan_004
- · Replies 6 ·
Determining Minimum Height for Marble to Complete Loop-the-Loop
- kamikaze1
- · Replies 4 ·
Calculating Joe's Climb Efficiency
- lcp1992
- · Replies 8 ·
What Are the Energy and Angles of Photons from \(\pi_{0}\) Meson Decay?
- spaghetti3451
- · Replies 2 ·
Physics lab work - calculating % errors
- Kaldanis
- · Replies 1 ·
Magnetic Field in a Cylindrical Conductor
- Hypnos_16
- · Replies 1 ·
Physics puzzle ratios of two times which it take an object to fall down.
- nickthrop101
- · Replies 3 ·
A 150kg cart moving at 13m/s east collided with a 420kg wagon
- lcp1992
- · Replies 2 ·
What is a linear medium?
- ZedCar
- · Replies 3 ·
Virtual work sign conventions in a four-link mechanism
- doubled
- · Replies 1 ·
Finding the electrostatic force between two charged balloons
- ukir
- · Replies 1 ·
How Do You Calculate the Extension of a Spring Holding a 480 g Mass?
- student333
- · Replies 5 ·
Do mirrors only reflect and lenses only refract?
- charlies1902
- · Replies 2 ·
Energy required to move an object to an altitude twice the radius of Earth
- aero_zeppelin
- · Replies 2 ·
How to Find the Force of Friction on a Model Rocket?
- physicnoob101
- · Replies 3 ·
3 ways wireless electricity transmissions
- benbennza1
- · Replies 5 ·
Magnetic Field at the midpoint between two current carrying coils
- RichardEpic
- · Replies 4 ·
How Far Should a Satellite Be from Earth to Match the Moon's Orbital Period?
- xnitexlitex
- · Replies 10 ·
Difference between simple product and dot product
- angi-18
- · Replies 2 ·
Finding total energy of an oscillator
- jca90
- · Replies 1 ·
Reflection at metal vs glass/air boundaries for mirrors
- ZedCar
- · Replies 3 ·
Falling Yo-Yo (angular momentum/energy, torque)
- kayem
- · Replies 3 ·
How Do You Calculate Theta and Helium's Velocity After a Neutron Collision?
- McKeavey
- · Replies 3 ·
Calculate Average Net Force of 20g Bullet Striking Wood
- MsHomework
- · Replies 17 ·
How Fast Will the Elevator Rise with 14kW of Power?
- blarginsnarf
- · Replies 1 ·
Calculate the force applied and constant frictional force opposing its motion
- MsHomework
- · Replies 2 ·
Why does drag force only have a vertical component on a falling object in wind?
- sparkle123
- · Replies 2 ·
Finding mass of a single screw lab No calculations XD
- jayjay713
- · Replies 30 ·
Finding the Speeds of Objects in a Spring System
- hannam
- · Replies 2 ·
A fish is 10 cm from the front surface of a spherical fish bowl
- charlies1902
- · Replies 2 ·
Vector 'B' When Vector Product with 'A' is Zero
- draotic
- · Replies 13 ·
How Does Mass Affect the Acceleration and Distance Traveled by Falling Objects?
- Ilovepysics
- · Replies 12 ·
Gravitational Interactions » Truck and Car
- Sugi San
- · Replies 3 ·
Quantum mechanics, wavefunction problem
- fluidistic
- · Replies 6 ·
How to Calculate Heat Transfer During Isothermic and Isobaric Processes?
- cake_is_a_lie
- · Replies 1 ·
Describe Millikan's Oil Drop Experiment
- jayjay713
- · Replies 1 ·
Which SUVAT Equation Applies to This Kinematics Problem?
- seiei
- · Replies 2 ·
Three spring two mass system, compression of the middle spring
- Leb
- · Replies 3 ·
Ball swings down and hits block - finding block's final speed
- nukeman
- · Replies 15 ·
Kinetic Energy of a mass moving in horizontal circle
- Serendipitydo
- · Replies 2 ·
Calculate Magnitude of Impedance for RLC Circuit
- Goerge
- · Replies 1 ·
Finding mass flow through a turbine using enthalpy
- eventob
- · Replies 3 ·
Rocket Question~~Max Velocty and Ff
- physicnoob101
- · Replies 2 ·
Calculating constant velocity using work
- anonymous12
- · Replies 3 ·
Equation of motion for a rigid rotating rod
- Cole.
- · Replies 12 ·
How Does Water Vapor Dissociation Affect Internal Energy in a Closed System?
- funoras
- · Replies 8 ·
Final velocity, three forces, time, mass and velocity given
- want2learn
- · Replies 2 ·
A body moving in a straight line with constant accelaration
- VICKZZA
- · Replies 6 ·
Find mass of an object hanging on string
- angi-18
- · Replies 4 ·
Relative speed, center of mass, kinetic energy
- alaix
- · Replies 2 ·
Find Maximum mass with the principles of torque and rotational equilibrium
- Leanna.Agahi
- · Replies 1 ·
Wooden ball suspended by string in horizontal air current at 30°
- angi-18
- · Replies 7 ·
How to find L in this problem
- sittisakbj
- · Replies 3 ·