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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Direct circuit homework problem
- fdbjruitoirew
- · Replies 12 ·
Angular Acceleration: 0.29 rad/s/s
- PepperABLF12
- · Replies 2 ·
What Pin Position Ensures Rigid Body Rotation Upon Impact?
- TheFerruccio
- · Replies 3 ·
Determining Flow Velocity of Water in Collection Tank
- Busybee12
- · Replies 1 ·
How to Convert $/Energy to $/Power
- saqibtq
- · Replies 5 ·
Average Net force and high jumpers
- barbiegirl42
- · Replies 27 ·
Calculating the gravity on the moon
- Blacky372
- · Replies 3 ·
How Do You Calculate Standard Entropy at the Melting Point?
- DiffusConfuse
- · Replies 10 ·
Equilibrium temperature of a mixture
- frazdaz
- · Replies 3 ·
Net forces on a charge particle
- pondzo
- · Replies 4 ·
Conductor wall with internal/external insulation
- Donna14
- · Replies 1 ·
Slopes in work-kinetic energy lab are higher than expected
- tzonehunter
- · Replies 10 ·
Mistake in Dynamics Circular Problem's Solution
- alingy1
- · Replies 9 ·
Constant angular speed loop of wire
- darksyesider
- · Replies 7 ·
Calculating Work Done by Friction?
- BrainMan
- · Replies 3 ·
Elastic collision with one unknown velocity direction
- Karol
- · Replies 10 ·
Comparing tensions and net forces with three masses and friction
- gummybeargirl
- · Replies 5 ·
Fluid Mechanics: Pressure Question
- MechEngJordan
- · Replies 4 ·
Kinetic and Potential energy pendulum problem
- BrainMan
- · Replies 5 ·
How Many Electrons Calculate a Charge of -1.00 x 10^16 C?
- ChiralWaltz
- · Replies 2 ·
Pendulum conservation of energy
- alingy1
- · Replies 8 ·
Is There a Mistake in Calculating Vector Components and Angles?
- alingy1
- · Replies 1 ·
Inverse Square Law: Calculating Intensity at Different Distances
- emtis
- · Replies 2 ·
Rotating parts of a motor have a moment of inertia
- Busybee12
- · Replies 1 ·
How to Calculate Voltage and Current in a Circuit with a Diagram?
- Busybee12
- · Replies 1 ·
How can i find the absorption/emission transitions from Energy levels
- hbk69
- · Replies 8 ·
Why Does a Moving Bicycle Stay Upright?
- amind
- · Replies 7 ·
Standard Entropy for Liquid at Melting Point
- DiffusConfuse
- · Replies 2 ·
Newtons cradle, conservation of momentum
- Bengo
- · Replies 3 ·
Calculating Force on an Electron Projected Towards a Charged Conducting Plate
- Tanya Sharma
- · Replies 4 ·
Checking my answer for pushing blocks dynamics problem
- alingy1
- · Replies 9 ·
Dimensions of a wire loop to maximize torque in a magnetic field
- darksyesider
- · Replies 9 ·
True or false friction statements with static and kinetic coefficients
- gummybeargirl
- · Replies 3 ·
Kinematics Problem Ball throwing
- alingy1
- · Replies 4 ·
Special relativity - compute relative velocity
- Cameron95
- · Replies 6 ·
Conservation of (Energy vs Momentum)
- Ronnie1303
- · Replies 1 ·
Special relativity theory train and mosquito
- prehisto
- · Replies 6 ·
Trying to cancel units out for velocity of transverse wave
- ichivictus
- · Replies 2 ·
How Do You Calculate Impedance from Power Figures?
- The_Ringer
- · Replies 5 ·
How is Kinetic Energy Distributed in a Spring-Mass System?
- teme92
- · Replies 11 ·
Colision with a wall/platform and coefficient of restitution
- kohlerb
- · Replies 3 ·
Problem with molecular separation calculations
- emjay66
- · Replies 5 ·
Does inserting iron into a solenoid increase the current?
- holacola
- · Replies 10 ·
Kinetic and Potential energy problem
- BrainMan
- · Replies 11 ·
Force from two point charges on a third one
- silverwhale
- · Replies 4 ·
Return of the Inclined Plane Double Pulley: Part II: Energy
- bjorn_v
- · Replies 3 ·
How Much Force Accelerates a Bullet in a Rifle?
- Emperor
- · Replies 3 ·
HW ?: Conservative Forces and Potential Energy
- CylonBaby
- · Replies 2 ·
Applications of electromagnetism
- ksmalls
- · Replies 1 ·
Find the loudness of a moving object at a certain distance
- ichivictus
- · Replies 1 ·
Kirchhoff's Law circuit question
- RyanTG
- · Replies 8 ·
Right hand rule for torque giving direction into the page
- alingy1
- · Replies 2 ·
Find Initial Velocity of Projectile Basketball
- gummybeargirl
- · Replies 6 ·
North and South of an electromagnetic solenoid
- Ltpenguin
- · Replies 1 ·
Gravity of a Ring on a Particle
- student34
- · Replies 5 ·
Making an Electromagnet to carry 1kg
- darkshado
- · Replies 4 ·
How Do You Calculate the Moment of Inertia and Stopping Time of a Yo-Yo?
- lobbob
- · Replies 10 ·
Hydrostatic force on circular window 0.4m diameter at 1.2m depth
- kachi
- · Replies 5 ·
Find the points where electric potential is zero?
- Hardik Batra
- · Replies 5 ·
Convert N/m^2 to Newtons, beam problem
- bjorn_v
- · Replies 6 ·
Power/Work problem with some Newton's Second Law
- StormDuck
- · Replies 2 ·
How to Position an Object for a 2.5x Inverted Image with a Concave Mirror?
- ichilouch
- · Replies 9 ·
What is the correct expression for tension in a chain falling through a hole?
- paras02
- · Replies 6 ·
New to physics. with some solutions
- ford f100
- · Replies 9 ·
Why does a yoyo suspended by upward string tension stay stationary?
- Agrasin
- · Replies 14 ·
Geostationary Satellite and Orbiting Satellite problem
- agnibho
- · Replies 14 ·
Calculate the orbital velocity in a geostationary orbit
- fayled
- · Replies 11 ·
Vectors with a dose of arithmetic :3
- Lexadis
- · Replies 5 ·
Finding speed of pendulum sphere at lowest point
- BrainMan
- · Replies 29 ·
Solving Newton's Third Law: Where Am I Going Wrong?
- alingy1
- · Replies 8 ·
Bungee Jump: Conservation of Energy
- teme92
- · Replies 3 ·
Inclined Plane Double Pulley Problem
- bjorn_v
- · Replies 19 ·
Angular speed when clay collides tangentially with rotating disk
- lobbob
- · Replies 6 ·
Find optimum angle for turbine blades
- iScience
- · Replies 2 ·
How Is Momentum Calculated in Projectile Motion?
- gcombina
- · Replies 4 ·
Fluids- Sphere dropped in ocean
- allykat
- · Replies 5 ·
How Does an Object Moving in a Circle at Constant Speed Accelerate?
- wobba63
- · Replies 1 ·
Why does kinematics problem use 24 seconds instead of 6.16 seconds?
- alingy1
- · Replies 7 ·
Velocity of relativistic spaceship
- Rct33
- · Replies 5 ·
Baseball thrown at 22.0 m/s landing on 15.5 m building: checking vector components
- Sullivan
- · Replies 1 ·
Understanding Lift Force and the Bernoulli Equation in Small Aircraft
- Donna14
- · Replies 8 ·
VCE photonics practical: transmitting audio signals with lasers
- OnceIWasBooker
- · Replies 1 ·
Validity of Elastic Collision Equations in Two and Three Dimensions
- Karol
- · Replies 18 ·
How Do Torque and Force Differ in Physics?
- alingy1
- · Replies 20 ·
Concave mirror sign convention for radius of curvature
- Jon.G
- · Replies 6 ·
Why doesn't the glass move when I pull the tablecloth from under it?
- Missyyy
- · Replies 2 ·
Magnetism - What do you call this phenomenon?
- Reedwan
- · Replies 5 ·
Airfoil shape analysis and design problem
- Donna14
- · Replies 2 ·
What is the Velocity of the Capacitor Plates in an RC Circuit?
- utkarshakash
- · Replies 9 ·
Ap physics c 2014 free response
- darksyesider
- · Replies 5 ·
Why Does Torque Change in a Rotating Coil Even if the Force Remains Constant?
- delsoo
- · Replies 3 ·
Algebra world problem involving speed and time
- Niaboc67
- · Replies 4 ·
Relation of fine structure constant to splitting of spectral li
- Emspak
- · Replies 2 ·
Calculating Uncertainty, involving a logarithmic quantity
- Rodger
- · Replies 2 ·
Finding enclosed charge with Gauss's law for an exponential field
- darksyesider
- · Replies 4 ·
Resistive force on a speedboat at constant speed
- BrainMan
- · Replies 4 ·
Oscillations, calculating spring constant, amplitude, period
- selsunblue
- · Replies 1 ·
Clebcsh Gordan Coefficients - QM
- binbagsss
- · Replies 6 ·
Mechanics General Motion in a Straight Line
- Giiang
- · Replies 11 ·