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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Speed of dart shot from compressed spring toy
- jbjohnybaker
- · Replies 2 ·
Find the Launch Speed for a 20m High Projectile
- voygehr
- · Replies 4 ·
Solve Double Slit Maxima with 3 Narrow Slits
- frostchaos123
- · Replies 1 ·
Mass ratio of steam-ice mixture
- Aaronkwg
- · Replies 3 ·
Action of a dielectric in a capacitor
- mahela007
- · Replies 4 ·
Why is (B) Incorrect in This Electrostatics Question?
- flyingpig
- · Replies 5 ·
Projectile motion with air resistance and earth
- zorro
- · Replies 6 ·
What is the height of the flagpole in meters?
- agentsanta
- · Replies 4 ·
Finding the angular frequency of SHM of a rolling sphere
- Nemode
- · Replies 1 ·
Elastic Potential Energy and Hooke's Law Problem
- y201
- · Replies 3 ·
Finding initial speed of sliding pen using energy conservation
- jbjohnybaker
- · Replies 2 ·
Magnitude and direction of uniform magnetic field
- mwadhwa
- · Replies 1 ·
Non slip ball down an incline of theta
- mikegovikes
- · Replies 3 ·
Rod Moving on Parallel-Conducting Rails
- fisixC
- · Replies 2 ·
Oscillations of a Pendulum: How Many Complete by Noon and What is the Amplitude?
- kerbyjonsonjr
- · Replies 1 ·
Radius of convex spherical mirror?
- gmmstr827
- · Replies 6 ·
Angular Momentum of 1.80-kg Particle in xy Plane
- AEfly
- · Replies 4 ·
Calculating the Rate of Oxygen Escape through a Hole in a Balloon
- Deadsion
- · Replies 1 ·
Solving a Complex Equation: Finding wasym with Error
- zak8000
- · Replies 1 ·
How Is Gravitational Potential Energy Calculated for a Skier on a Ski Lift?
- jbjohnybaker
- · Replies 7 ·
How Do You Calculate Angle Θ and Deflection Φ in Refraction Problems?
- tstu12
- · Replies 4 ·
Why is it the integral from a to b, but not a to c?
- flyingpig
- · Replies 3 ·
Determine the probeʼs final speed
- jbjohnybaker
- · Replies 13 ·
Finding equivalent resistance with parallel and series resistors
- logearav
- · Replies 1 ·
Strange Phenomenon in 3-Beam Structure Analysis
- Femme_physics
- · Replies 31 ·
Battery connected to an infinite number of loads in parallel
- 032050
- · Replies 4 ·
Potential difference across a capacitor problem
- zorro
- · Replies 4 ·
What is the magnetic field of a solenoid and how does it change along the axis?
- Quantumcom
- · Replies 2 ·
How Does Refractive Index Affect Position Shift in Optics Problems?
- zorro
- · Replies 2 ·
How to Connect Decade Resistance Boxes in Parallel and Series?
- mopar969
- · Replies 6 ·
What is the approximate uncertainty in r for the given formula V=\pi r^{2} h?
- voygehr
- · Replies 5 ·
Why is friction horizontal if it's the normal force times a coefficient?
- monjinho
- · Replies 18 ·
Finding the acceleration of a crane trolley and it's load.
- Dylan.Wallett
- · Replies 2 ·
Which equation should be used for Kirchoff's Law?
- sachin123
- · Replies 2 ·
How to Find the Friction Force on a Wedge
- SteelDirigibl
- · Replies 1 ·
Newton law Applications. Any suggestion
- tubspring
- · Replies 1 ·
Hydrogen atom obeying classical mechanics rather than quantum mechanics
- jessiepink
- · Replies 6 ·
Interesting problem, I almost got it right.
- flyingpig
- · Replies 1 ·
How do you integrate a force with a scalar function to find the total work done?
- Alia Al-Hajri
- · Replies 4 ·
Atwood's machine with rotating pulley: find acceleration and time for 60 cm
- Falinox
- · Replies 1 ·
Calculating Friction Force of Train on Passenger at Curved Track
- notsam
- · Replies 14 ·
Where Is the Resultant Force Applied on a Square Plate?
- zorro
- · Replies 3 ·
Which statements about atomic models are true
- sona1177
- · Replies 15 ·
What is the Magnetic Field of a Toroidal Solenoid?
- frostchaos123
- · Replies 4 ·
How Long Does It Take for a Mass to Oscillate Between Two Points on a Spring?
- shasanni
- · Replies 5 ·
Hydrogen Atom's Energy Levels-True/False
- sona1177
- · Replies 14 ·
What Is the Initial Velocity of the Green Car with Constant Acceleration?
- cynical555
- · Replies 3 ·
I need some explanation on this
- flyingpig
- · Replies 7 ·
Voltage and parallel capacitor distance
- caljuice
- · Replies 2 ·
Why is the 10 μF capacitor causing extreme confusion?
- flyingpig
- · Replies 2 ·
Work, Force, Acceleration, and speed of a box attached to a spring
- 032050
- · Replies 2 ·
Rotating System in an Inelastic Collision
- IWuvTeTwis
- · Replies 2 ·
Physics tangential speed of a ceiling fan
- lina29
- · Replies 3 ·
Find the area enclosed by the curve (parametric equation)
- vande060
- · Replies 5 ·
Finding the Ideal Angle for Maximum Distance with Friction
- vagelier
- · Replies 1 ·
Calculating Speed of Meterstick Swinging Vertical - Physics
- lina29
- · Replies 3 ·
Force on a storefront window from 200 km/h tornado winds
- notsam
- · Replies 5 ·
New Force After Objects Are Touched Together?
- aeromat
- · Replies 3 ·
Spring attached to a box; descending a hill problems
- Mooshk
- · Replies 3 ·
Energy released when hydrogen and anti-hydrogen collide at 95% light speed
- Mike12345
- · Replies 3 ·
How do spin measurements of particles relate to complex amplitudes?
- Grand
- · Replies 2 ·
Rotational Motion of a wheel turning
- Falinox
- · Replies 4 ·
Work done by the torque on a pulley
- IAmPat
- · Replies 2 ·
How Deep Does a Ferry Sink with Added Weight?
- Falinox
- · Replies 1 ·
Ball rolling down a hill using diameter
- pogo2065
- · Replies 1 ·
What is the equation for torque in a system with two blocks and a pulley?
- TBBTs
- · Replies 4 ·
Show the equipotential surface is a spherical surface
- blueyellow
- · Replies 1 ·
Windmill rotates with constant ang. accel. What time does Tangetial = Centripetal
- IAmPat
- · Replies 1 ·
Finding specific heat of lead with boiling water method
- pdot
- · Replies 5 ·
Predicate Logic Universal and Existential quantifiers
- Mishada17
- · Replies 5 ·
Banked Circular Motion with Static Friction
- milky9311
- · Replies 1 ·
Why's radial acceleration zero at north pole
- SS2006
- · Replies 5 ·
Probability of finding a particle?
- iafatel
- · Replies 5 ·
Finding velocity after variable force over distance using work-energy theorem
- Barukun
- · Replies 1 ·
Problem on distribution of charges between charged/uncharged spheres
- frostchaos123
- · Replies 1 ·
Final velocity of 2 spheres attracted by gravity and electrostatic charge
- Runaway
- · Replies 7 ·
Doppler effect with same-speed motorists and guitar string tension
- madeinmgs
- · Replies 3 ·
What Is Resonance in a Parallel-Series LCR Network?
- nathangrand
- · Replies 14 ·
Vibration exciter input power vs output from a piezo
- beagles
- · Replies 2 ·
Perpendicular component of vectors
- AlchemistK
- · Replies 2 ·
Angular magnification of magnifying glass with near point at 25 cm
- BoogieL80
- · Replies 3 ·
Graphing Distance and Time to find Acceleration
- Terrence
- · Replies 3 ·
What is the downward acceleration of a cylinder as it unwinds from a tape?
- Ahwleung
- · Replies 3 ·
Q on Static Friction - (from Giancoli)
- milky9311
- · Replies 3 ·
NON-monatomic gas expansion, find internal energy change
- awertag
- · Replies 1 ·
Relativity Simultaneity Problem
- hy23
- · Replies 3 ·
Battery Series: More Charge or Rate Affected?
- caljuice
- · Replies 1 ·
How to Find a Vector Passing Through Two Points with Equal Magnitude?
- AlchemistK
- · Replies 2 ·
How Far Does the Stone Travel Horizontally to Hit the Plum?
- Awesomesauce
- · Replies 4 ·
Buoyancy and Harmonic Oscillation
- Chip90
- · Replies 7 ·
Coin rolling with constant deceleration, how much time to go 1.6m
- IAmPat
- · Replies 1 ·
Two dimensional vectors question
- neoncrazy101
- · Replies 2 ·
Electric Potential Inside a Metal Object
- Loppyfoot
- · Replies 1 ·
How Fast Was the Train in Ballot's Doppler Shift Experiment?
- bmbradley
- · Replies 2 ·
Angular Velocity from Potential and Mechanical Energy of rotating rod
- jstep
- · Replies 4 ·
What Is the Speed of a Block at Different Points on a Frictionless Hill?
- misyg
- · Replies 3 ·
How can I simplify a network of capacitors using a Y-Δ transformation?
- hurz
- · Replies 7 ·
I0=V/RR=(xL-xc)/tan\phiPAv=1/2VI0cos\phiMax Current in RLC Circuit @ 1759 Hz
- eestep
- · Replies 2 ·
Finding tension given densities?
- LOannie234
- · Replies 1 ·