Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculating Amplitude and Acceleration in Harmonic Motion - Physics Homework
- johan146
- · Replies 6 ·
What happens to the electric field's phase upon reflection?
- Gabriel Maia
- · Replies 2 ·
What is the initial velocity of a ball falling in Earth's gravity?
- Orson
- · Replies 19 ·
What is the relationship between critical angle and negative refractive index?
- Tanishq Nandan
- · Replies 6 ·
Calculating Kinetic Friction Coefficient for Sliding Soccer Player
- kdrobinson
- · Replies 13 ·
Biomechanics question vertical velocity
- Rachel79
- · Replies 2 ·
Calculating Distance for a Train on a 1% Grade
- A_Sushi
- · Replies 4 ·
How Does Mass Loss Affect Acceleration in Atwood's Machine?
- ScreamingIntoTheVoid
- · Replies 13 ·
Time period of small oscillations of the point dipole
- sid0123
- · Replies 52 ·
How Many Sig Figs Given Error Range?
- Cosmophile
- · Replies 2 ·
What time did they both set off?
- GoghAway
- · Replies 3 ·
How to differentiate b/w a conservative/non-conservative force?
- SciencyBoi
- · Replies 3 ·
Why use constant pressure specific heat when pressure varies
- yecko
- · Replies 3 ·
Components of the equivalent moment at a point
- Davidf77
- · Replies 3 ·
What is the acceleration of the blocks in a pulley constraint problem?
- Vriska
- · Replies 21 ·
Photoelectric effect calculation
- *now*
- · Replies 8 ·
What is the height and kinetic energy lost in a projectile-block collision?
- Ying99
- · Replies 1 ·
How can I find the torque/moment of force about an axis?
- GaussianSurface
- · Replies 23 ·
Calculating capacitance from an AC circuit
- imas145
- · Replies 7 ·
SHM Energy Conservation in a Spring
- emxlys
- · Replies 3 ·
Block on an inclined plane that is accelerating sideways
- FScheuer
- · Replies 27 ·
Optimal Angle and Horizontal Range of a Bottle Rocket Projectile
- EmmaB03
- · Replies 1 ·
Forces on a plane exerted by a ball
- blueblast
- · Replies 14 ·
Decibel Intensity level question
- BirdieGone
- · Replies 5 ·
Expressing the addition of two sinusoidal waves this form.
- Armin
- · Replies 4 ·
Calculating the maximum force of object 1 without prefix
- Marcos Leo
- · Replies 1 ·
555 timer duty cycle and square wave average value
- Mohamed Abdul
- · Replies 3 ·
Y coordinate of a charged particle
- Matt21
- · Replies 9 ·
Determine the angular speed ##\dotθ## of the arm OC
- Alexanddros81
- · Replies 3 ·
What is the angle and displacement of the plane?
- mathnerd21
- · Replies 1 ·
Electric power and internal resistance
- isorounded
- · Replies 4 ·
Norton equivalen circuit problem
- terryds
- · Replies 8 ·
Finding the uncertainty in delta y?
- SJay16
- · Replies 2 ·
Vectors, how to find average acceleration
- juju1
- · Replies 13 ·
Finding electric potential given two point charges
- Mickael14
- · Replies 2 ·
Strength of electric field given potential difference
- Mickael14
- · Replies 4 ·
Measuring the output from a Transistor Amplifier
- Pushoam
- · Replies 6 ·
Auto-closing gate with masses on inclined planes
- Zer0
- · Replies 42 ·
The rod OB rotates counterclockwise about O (Polar Coord.)
- Alexanddros81
- · Replies 5 ·
How Is Electricity Generated from Wind Energy?
- emxlys
- · Replies 2 ·
The collar B slides along a guide rod (Polar Coord.)
- Alexanddros81
- · Replies 3 ·
Particle in one-dimensional harmonic oscillator
- Muthumanimaran
- · Replies 7 ·
Static Friction carnival ride Problem
- Jack G
- · Replies 7 ·
Density of an ideal gas as a function of height
- Ian Baughman
- · Replies 17 ·
Peculiar Acceleration: Solving a Massless and Frictionless Pulley Problem
- Vibhor
- · Replies 3 ·
Electric Field of Equilateral Triangle
- Brendan Webb
- · Replies 2 ·
Work to pump out air from cylinder
- Stefan
- · Replies 3 ·
Why does the x origin shift between reference frames in special relativity?
- tesla111
- · Replies 2 ·
How does circuit resistance change when a lamp burns out?
- peterpan1492
- · Replies 9 ·
Collision of alpha with Be -> C + gamma
- Elvis 123456789
- · Replies 1 ·
Circular Motion and the Law of Gravitation -- question
- John Kim
- · Replies 1 ·
Two balls and a rod colliding with a ball
- Jahnavi
- · Replies 12 ·
Calculating 2D Momentum Collision with Unknown Speeds and Angles
- Theudius
- · Replies 4 ·
Lifting a Beam with a uniform weight distribution
- userAA
- · Replies 5 ·
What is the final velocity of a sail after being hit by photons from a star?
- Faiq
- · Replies 9 ·
Final Temperature of a monatomic gas
- patrickmoloney
- · Replies 5 ·
Length contraction of a spacecraft at 0.900c
- Matt21
- · Replies 9 ·
Inelastic collision and the sum of internal forces
- CGandC
- · Replies 6 ·
Calculating Minimum Thickness of a Thin Film Using Interference Patterns
- LippyKa16
- · Replies 5 ·
How Can Gravitational Acceleration 'g' Be Expressed Using Ball Passage Times?
- dante714
- · Replies 2 ·
Why does a reflected object appear luminous if we only see reflected light?
- Pushoam
- · Replies 4 ·
Current, voltage : brightness of bulb in parallel or series
- Barclay
- · Replies 2 ·
Limit of falling ball with linear air drag as αt→0
- Bestfrog
- · Replies 5 ·
How is wind speed related to electricity generation in a wind turbine?
- Marcin H
- · Replies 16 ·
Input characteristics of a BJT in CB mode
- Pushoam
- · Replies 3 ·
3 masses and an inclined pulley system
- Hdfjgf
- · Replies 2 ·
Zener Diode On: Understanding Current Flow in a Circuit
- Pushoam
- · Replies 4 ·
Capacitor voltage from food energy and LC oscillator current
- Mohamed Abdul
- · Replies 7 ·
How to avoid the use of a pseudo force
- timetraveller123
- · Replies 15 ·
How Are Friction and Angular Velocity Related in the Cube on Funnel Problem?
- Ahmed Farhan
- · Replies 10 ·
Finding Angle Theta in Relativistic Skydiving Scenario
- jlmccart03
- · Replies 18 ·
Electric Flux Equation for Rotating Loop?
- Rijad Hadzic
- · Replies 3 ·
Ball bounces several times on an inclined plane
- carlyn medona
- · Replies 8 ·
Positive or negative final velocity? Constant acceleration
- AnnaRiddle
- · Replies 8 ·
When 2 Cars With Differing Velocities Will Meet
- Kova Nova
- · Replies 3 ·
Maximum extension of system with two blocks connected by a spring
- carlyn medona
- · Replies 8 ·
Specific heat of diatomic gases and equipartion energy
- Dario SLC
- · Replies 1 ·
Bullet fired horizontally 50m at target 2cm below aim point
- rashad764
- · Replies 4 ·
Solving a Model Rocket Launch Problem
- Abscissas
- · Replies 9 ·
Calculating the Travel Time of High-Energy Particles Across Our Galaxy
- senatorarmstrong
- · Replies 1 ·
Projectile Motion: Determining Velocity and Distance at Different Angles
- Charlotte57
- · Replies 4 ·
Relationship Graph Between Frequency and Tension
- Stormblessed
- · Replies 10 ·
Velocity of a piston in a piston-shaft mechanism
- afaiyaz
- · Replies 10 ·
Forces on the slope of a triangular block
- caspeerrr
- · Replies 2 ·
What Experiment Validated Maxwell's Velocity Distribution?
- Tomic
- · Replies 1 ·
Static Friction/Determining Force
- Masrat_A
- · Replies 20 ·
Coefficient of restitution in two dimensions
- carlyn medona
- · Replies 2 ·
Rotational Motion in Newtonian Mechanics
- Student149
- · Replies 11 ·
How to get 2.86 seconds in this kinematics problem
- Jacob T Anderson
- · Replies 17 ·
Magnetic pressure on a conductor
- timetraveller123
- · Replies 28 ·
Velocity of an Electron between Two Plate
- doggydan42
- · Replies 3 ·
Which ball has more energy halfway through the track?
- Irfan Nafi
- · Replies 9 ·
Shifting of the center of mass of a system
- carlyn medona
- · Replies 19 ·
When can I use D=VT for distance with constant acceleration?
- Turkishking
- · Replies 7 ·
What is the Average of Cosine of Theta over a Specific Range?
- Pushoam
- · Replies 7 ·
Calculating Initial Velocity for a Basketball Free Throw - Projectile Motion
- Devin Humphreys
- · Replies 3 ·
Ball in Rotating Disk: Kinetic Energy, Work, and Power
- Bestfrog
- · Replies 9 ·
Calculate the flux through the surface?
- ehabmozart
- · Replies 14 ·
Why does a smaller gear experience half the force if it moves twice the distance?
- Jimmy87
- · Replies 9 ·
Average speed for a round trip at different speeds
- Ehsan Abedian
- · Replies 5 ·