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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Copper calorimeter final temperature
- Vuldoraq
- · Replies 4 ·
Calculate average spacing of molecules
- helpmeplease1
- · Replies 1 ·
Solving Fish Refraction Problem Using Law of Refraction
- on204
- · Replies 2 ·
Acceleration of 10 kg mass on frictionless surface with pulley and 5 kg hanging mass
- grouchy
- · Replies 5 ·
Finding wavelength of a 30 kHz dog whistle
- Khemkhajon
- · Replies 2 ·
Moments about a point for a tilted rectangular block
- rock.freak667
- · Replies 5 ·
Calculating the resistors value?
- kittassa
- · Replies 4 ·
Why does total internal reflection occur at 60 degrees?
- BrooklynBees
- · Replies 1 ·
Magnetic and Electric Field Lines
- CanadaBoy
- · Replies 1 ·
How Does Bead Momentum Affect Post-Collision Movement on a Frictionless Surface?
- sfzpilot
- · Replies 5 ·
Angular momentum of merry go round turntable
- MAins
- · Replies 1 ·
Net work done with force, displacement, and friction
- inflames829
- · Replies 5 ·
Nuclear Power Plant Efficiency and Cooling Calculation
- bcjochim07
- · Replies 3 ·
How many elementary charges does this particle carry?
- Kylah
- · Replies 3 ·
Finding electric potential difference to stop a electron between 2 plates
- mjolnir80
- · Replies 2 ·
Finding initial velocity of a pebble thrown as a projectile
- bcotten
- · Replies 5 ·
Refrigerator Problem- Could you check my answer?
- bcjochim07
- · Replies 4 ·
Estimating Pressure, RMS Speed of Hydrogen in Space
- fredrick08
- · Replies 10 ·
Interference of waves - 2 point source Question
- anachronautic
- · Replies 2 ·
How Far Does a Block Slide When Launched by a Compressed Spring?
- warmfire540
- · Replies 8 ·
Calculate Height of Ball After Leaving Hand: 7.2 m
- Cantworkit
- · Replies 1 ·
Determine the plane's ground velocity.
- a.a
- · Replies 2 ·
What Is the Maximum Angular Momentum of a Particle Moving Past a Point?
- dinonichas
- · Replies 1 ·
How can geometric vectors be used to solve a river crossing problem?
- a.a
- · Replies 3 ·
Work-energy theorem, no equations
- warmfire540
- · Replies 6 ·
Finding scalar a where L - aK is perpendicular to L
- xphloem
- · Replies 2 ·
Finding coefficient of restitution for particle dropped on table from elastic string
- rock.freak667
- · Replies 9 ·
Vectors in different planes add up to give a zero resultant?
- xphloem
- · Replies 4 ·
How does strain gauge resistance change with wood temperature?
- Hipgirl90
- · Replies 6 ·
Designing a strain gauge experiment for wood expansion with temperature
- sergeantdeath
- · Replies 15 ·
What is an Eddy to Turbulent and Laminar Flow
- Air
- · Replies 2 ·
Elastic potential energy question
- Qred
- · Replies 3 ·
How Does Gauss' Law Account for the Negative Plate in a Capacitor?
- kash25
- · Replies 1 ·
Solving Spring and Block: Find Block Speed
- grouchy
- · Replies 2 ·
Equilibrium and tension (2 questions)
- nightshade123
- · Replies 3 ·
What is the phase difference between the motions of two points on the wave
- looi76
- · Replies 9 ·
What is the Effect of Angular Acceleration on a Block on a Conical Surface?
- danago
- · Replies 2 ·
OCR Physics AS Level - Strain gauge, temperature, resistance
- Final Fantasy
- · Replies 1 ·
Why does an external magnetic field not cancel the induced current in a loop?
- pmennen
- · Replies 7 ·
Maximum tangential deceleration for a car in a 30 m curve at 15 m/s
- Jason03
- · Replies 5 ·
Sonic boom plane altitude problem
- kellyneedshelp
- · Replies 21 ·
Four spheres in contact: minimum friction coefficients
- Blade707
- · Replies 4 ·
Gravitational field of the moon
- chocolatelover
- · Replies 2 ·
Accelerated Motion: Calculating Velocity/Distance
- zachcumer
- · Replies 41 ·
Total translational kinetic energy
- Deoxygenation
- · Replies 2 ·
How Can You Identify Diffraction Gratings Using a Laser and Detection Screen?
- salsabel
- · Replies 3 ·
Keys dropped from ferris wheel at 10 o'clock position
- skateza
- · Replies 10 ·
Block and ball spring system on inclined plane
- Blade707
- · Replies 7 ·
Two charged spheres in equilibrium with 30° angle between strings
- pinkyjoshi65
- · Replies 19 ·
Masses Connected By Strings May Be Treated as Rigid Bodies?
- breez
- · Replies 3 ·
How Do You Model Air Resistance in Mechanics?
- raphile
- · Replies 2 ·
Moment of inertia, tension, acceleration
- dinonichas
- · Replies 16 ·
Weight of the object equals the weight of the displaced water
- MIA6
- · Replies 1 ·
Find number of photons emmitted per sec?
- Kobayashi
- · Replies 11 ·
How Do You Calculate the Net Gravitational Force Between Objects?
- chocolatelover
- · Replies 9 ·
Kinetic energy of compound rotational objects
- Pantherezz
- · Replies 2 ·
What is the Resultant Gravitational Force on a 4.00 kg Object?
- chocolatelover
- · Replies 6 ·
Finding mass per unit length for stretched strng given tension?
- coffeem
- · Replies 1 ·
How much water, initially at 20C, could be boiled by this quantity of heat
- mtbgymnast
- · Replies 9 ·
G-force and deceleration for 4500kg object stopping in 15cm
- exalto1
- · Replies 5 ·
How do i calculate change in velocity?
- HelloMotto
- · Replies 3 ·
Potential energy of string and rock
- Qred
- · Replies 1 ·
How Does Rotating a Polaroid Affect Light Intensity?
- fionamb83
- · Replies 6 ·
Finding amplitude of pendulum motion given theta = 3cos(3t) - √3sin(3t)
- tweety_2479
- · Replies 1 ·
What does an AC wave look like after passing through a diode?
- sanado
- · Replies 2 ·
Simple charging by induction problem
- awvvu
- · Replies 1 ·
How Does the Presence of Thick Glass Affect Image Formation in a Concave Mirror?
- Volcano
- · Replies 4 ·
Calculate the frequency of red light of wavelength
- looi76
- · Replies 1 ·
How Far Does Mercury Rise in a U-Shaped Tube with Added Water?
- bcjochim07
- · Replies 6 ·
A beam of red light has twice the intensity as a second bean of the same color
- looi76
- · Replies 4 ·
By what factor would the energy carried by the rope change
- looi76
- · Replies 1 ·
Finding Initial Speed: A Basic Physics Problem Solved
- Greenjacket
- · Replies 2 ·
How to round calculated data to match uncertainty precision
- theIBnerd
- · Replies 2 ·
Elastic Collision/Kinetic Energy Problem
- NoPhysicsGenius
- · Replies 4 ·
Is My Circular Hoop Rotation Problem Solution Correct?
- awvvu
- · Replies 2 ·
How Do Phase Shifts and Path Differences Affect Interference in Soap Films?
- fubag
- · Replies 8 ·
Differential Equations in engineering
- gordilloedwin
- · Replies 4 ·
Finding acceleration and force in a three-link chain pulled upward
- azila
- · Replies 3 ·
Inclined Plane with block of mass
- danago
- · Replies 3 ·
Does Distance Affect the Electric Field Strength Above a Charged Plate?
- oh.rry21
- · Replies 2 ·
Experiment on Atoms: Determining Energy Levels
- MIA6
- · Replies 1 ·
Two series capacitors with different plate separations
- yuvlevental
- · Replies 6 ·
Single-Slit Diffraction and the Effect of Refractive Index on Central Peak Width
- fubag
- · Replies 4 ·
Calculating Ice Cube Mass for Coffee Cooling - Question and Solution
- bcjochim07
- · Replies 1 ·
How Is Hydraulic Lift Calculated in Cheerleader and Football Players Scenario?
- bcjochim07
- · Replies 1 ·
Particle oscillation and energy (potential/kinetic)
- warmfire540
- · Replies 1 ·
Thermodynamic ( quanity of heat)
- Newton86
- · Replies 24 ·
How Many Photons Does a 25W Monochromatic Light Bulb Emit Per Second?
- soul5
- · Replies 1 ·
Can Green's Theorem Calculate the Moment of Inertia for Solid Objects?
- Oomair
- · Replies 1 ·
How Do You Calculate the Muzzle Velocity Using Conservation of Momentum?
- TheLegace
- · Replies 4 ·
Work performed by a Carnot engine melting ice at 0°C
- horsegirl09
- · Replies 7 ·
Determining temperature of a diatomic gas
- Deoxygenation
- · Replies 4 ·
Spring-driven carts: speed, mass, impulse and acceleration ratios
- TheLegace
- · Replies 3 ·
Calculating Original Speed of Exploding Mess Kit
- rosstheboss23
- · Replies 4 ·
Calculating Resistance & Current for Two Lightbulbs in Series
- MIA6
- · Replies 17 ·
Differential equation for charge on capacitor when discharging through resistors
- breez
- · Replies 6 ·
What is the value of the loss volt and internal resistance of the battery?
- looi76
- · Replies 2 ·