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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Magnitude of force between blocks
- fisselt
- · Replies 3 ·
Circular Magnetic Field and direction problem
- DODGEVIPER13
- · Replies 4 ·
I don't understand how to calculate leg3 for x3? ?
- amyparker30
- · Replies 10 ·
How Do You Calculate Uncertainty in Stress Measurements?
- abray10
- · Replies 2 ·
How Much Force Does the Top Chain Link Exert on the Middle Link?
- drawar
- · Replies 14 ·
Calculating Frequency Using Doppler Effect in Rotating Speakers
- Knightycloud
- · Replies 2 ·
Vertical and horizontal motion of stone thrown from a bridge
- paperdoll
- · Replies 7 ·
Nitrogen-13 half-life and radioactive decay ratio
- mrcrazyog
- · Replies 4 ·
Heat transfer through a brick wall with given thickness
- bmcgann
- · Replies 2 ·
Two particles of mass m colliding at speed v coalesce to 3m
- uebmeister
- · Replies 5 ·
Solving Force Needed for Moving Body from Rest at 5m/s for 15m in 2s
- -Physician
- · Replies 1 ·
Can a paper and tape tower hold 1 L of water for more than 1 minute?
- Endorser
- · Replies 2 ·
Parallel/Perpendicular to the slope
- dynastykid
- · Replies 1 ·
Derivation of formula for orbital ranges in hydrogen atom
- jjr
- · Replies 2 ·
Average induced emf in coil with turns
- susan14
- · Replies 1 ·
Extremely frustrated - inclined plane problem w/ friction
- iJamJL
- · Replies 1 ·
Finite square well potential question
- StephenD420
- · Replies 1 ·
Electric Charge Distribution in Cylindrical Capacitors
- kgal
- · Replies 1 ·
I need someone to explain this vector question's answer
- madinsane
- · Replies 2 ·
Drawing the Forces for this Structure?
- mneox
- · Replies 4 ·
What's the difference between Area Density and Linear Density?
- Zyos
- · Replies 1 ·
Kinetic friction and inclined planes
- iJamJL
- · Replies 1 ·
I have question,The electron and hole concentration in a intrinsic
- mil
- · Replies 2 ·
Magnitude of object with constant speed
- Kamirusen
- · Replies 6 ·
Proton Velocity (potential/field/charge)
- Pi Face
- · Replies 1 ·
Understanding Centripetal Force in Circular Motion Experiments
- paperdoll
- · Replies 4 ·
What Must Be the Angle Between Two Vectors of Equal Magnitude?
- madinsane
- · Replies 12 ·
Capacitance of an Earth-cloud system at 1500 m separation
- lostfan176
- · Replies 9 ·
Diffraction patterns and lasers
- shyguy79
- · Replies 1 ·
What is your method of knowing when to use sine and cosine in force problems?
- AnthroMecha
- · Replies 4 ·
What does b represent in the air friction formula f_air = -bv?
- -Physician
- · Replies 14 ·
Single-slit diffraction diffraction pattern
- drawar
- · Replies 1 ·
Tension w/ rope hanging from a ceiling
- iJamJL
- · Replies 13 ·
Linear Motion: calculating height of cliff given speed of sound and time
- rahrahrah1
- · Replies 3 ·
How do I solve sin(x)cos(x) = 0.458?
- PhysicsAdvice
- · Replies 4 ·
How much energy must a 6.0 V battery expend to fully charge a ccapacitor
- jhcollaz
- · Replies 1 ·
How to graph acceleration vectors on position axis?
- LearninDaMath
- · Replies 15 ·
Le Chatelier and Le Chatelier Braun
- Telemachus
- · Replies 2 ·
Is there something wrong with this wave concept?
- jsun.12
- · Replies 6 ·
How do I find the tension and angles in a spider's web?
- madinsane
- · Replies 9 ·
Why are there only four types of radioactive decay?
- doublemint
- · Replies 4 ·
Finding the Angle Between Two Vectors with Equal Magnitudes
- madinsane
- · Replies 2 ·
Tension on a string while an elevator is moving
- iJamJL
- · Replies 3 ·
Understanding the Magnetic Field of a Current Loop: True or False?
- GeorgeCostanz
- · Replies 6 ·
Stiffness of a single interatomic spring ?
- darkcloud577
- · Replies 3 ·
Calculating Charge on a Parallel Plate Capacitor
- Cisneros778
- · Replies 1 ·
Inductance Of A Solenoid Problem
- pierretong
- · Replies 2 ·
What is the Effect of Connecting a Load on the Polarity of Induced Voltage?
- johnstamos
- · Replies 1 ·
Finding spring unloaded length and extension from load-length data
- Taylor_1989
- · Replies 4 ·
Forces acting on a horse and cart
- maanneaguila
- · Replies 3 ·
Energy of an electron in a betatron
- DeIdeal
- · Replies 1 ·
How to Calculate Velocity and Acceleration in Simple Harmonic Motion?
- Desii
- · Replies 11 ·
What is the electric potential midway between the two charges?
- sasuke07
- · Replies 1 ·
Can Someone Solve this Challenging Physics Riddle ?
- sujatha112358
- · Replies 1 ·
Is 2.00 g/cm^3 Equal to 2000 kg/m^3?
- jsun.12
- · Replies 2 ·
Projectile Problem: Find Time of Collision
- vivekrai
- · Replies 2 ·
Diode paralell with a resistor problem.
- lionely
- · Replies 6 ·
Problem with acceleration and distance
- efoster
- · Replies 1 ·
Understanding Capacitor Energy Equations
- Miike012
- · Replies 11 ·
Buoyancy and Spring force problem.
- PandaherO
- · Replies 5 ·
Change in potential energy across wires differing composition
- Mebmt
- · Replies 3 ·
How to Write Loop Equations for a Circuit with Multiple Resistors and Batteries
- Cisneros778
- · Replies 2 ·
Fictious force: Cylinder on an Accelerating Plank
- Leb
- · Replies 2 ·
Thermal conductivity conceptual
- sasuke07
- · Replies 1 ·
Why Does Thermal Conductivity Disparity Matter in Real-World Scenarios?
- sasuke07
- · Replies 3 ·
Magnitude of electric field in an area of changing magnetic field
- arnab321
- · Replies 7 ·
Equation for Non-Constant Acceleration in Position Function
- LearninDaMath
- · Replies 16 ·
Balance of the cylinder on the rod
- Innoko
- · Replies 3 ·
Calculating Distance and Time for Meeting of Bicycle and Car
- bradyj7
- · Replies 5 ·
Can the Gauss Law for Gravitation be used to prove the Shell Theorem?
- SHISHKABOB
- · Replies 1 ·
Capacitors connected in parallel to store a charge of 1.49 C?
- McAfee
- · Replies 2 ·
Mechanics - moment, Euler's second law
- bjornebarn
- · Replies 1 ·
Coefficient of Kinetic Friction from M, Angle, Accel.
- Flash70
- · Replies 6 ·
What is the charge on the oil drop in Millikan's oil drop experiment?
- BobRoss
- · Replies 9 ·
Does Resistance Affect Heating Effect in Electrical Circuits?
- Peter G.
- · Replies 2 ·
Centripetal force with Conservation of Mass
- nhmockus
- · Replies 1 ·
Why Is the Calculated Force Excessive for Lifting the Barbell?
- treyh
- · Replies 2 ·
Finding the Potential (Kirchoff's Law)
- Xarvist
- · Replies 4 ·
Work-Energy problem involving pulley
- thepatient
- · Replies 12 ·
What is the minimum height for a cart to complete a circular track?
- MrWarlock616
- · Replies 5 ·
How to find velocity of a bullet given energy?
- rockninjaalex
- · Replies 1 ·
Application of the cross product: max height of z?
- brinethery
- · Replies 3 ·
The lines in a grating are uniformly spaced at
- AnnieMoo
- · Replies 1 ·
Understanding Charge Distribution in Electrostatic Systems
- vivekrai
- · Replies 2 ·
Finding coefficient of kinetic friction from work-energy theorem
- borderline113
- · Replies 12 ·
Unknown mass being pushed up ramp until it hits spring
- maxpower612
- · Replies 6 ·
Net Force Question? Find Formula to Calculate Daughter's Experience
- xflasn1p3rx
- · Replies 6 ·
Physics Relativity/Power Question?
- justinh8
- · Replies 5 ·
Solving for distance using only initial velocity and coefficient of friction
- manuela4
- · Replies 8 ·
Ranking electric potential with point charges and E field direction
- sasuke07
- · Replies 3 ·
Understanding Capacitor Voltage in Series Circuits
- Miike012
- · Replies 1 ·
Change of flux in an L-R circuit
- arnab321
- · Replies 7 ·
Mechanics, energy, acceleration.
- oxon88
- · Replies 19 ·
Deceleration of a falling load of a rope
- tommy060289
- · Replies 4 ·
Finding the second force from net force and acceleration
- netrunnr
- · Replies 3 ·
Current induced in a loop of wire by a bar magnet (Conceptual)
- SMA777
- · Replies 3 ·
What happens to an accelerated liquid
- sparkle123
- · Replies 2 ·
Finding the period T for cylinder on spring
- jjr
- · Replies 8 ·
Minimum Minimum Power of a Heat Engine to freeze 50kg water in one hour
- eric2921
- · Replies 6 ·