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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Forces experiment. Needing to find vector sum of the tensions in string.
- tatsalez
- · Replies 2 ·
Finding Velocity as a Function of Time for a Thrown Object at an Angle
- MPH28
- · Replies 5 ·
What is the Correct Value of k for a 94.8 nm Photon Emission in Hydrogen?
- stickplot
- · Replies 2 ·
Calculating Average Speed for a Trip: A Physics Challenge
- Niki Lively
- · Replies 1 ·
Rocket Performance Homework: Max Velocity & Altitude
- Theboob651
- · Replies 4 ·
Tension from string upon a rock
- littlkj5
- · Replies 3 ·
Net Force of Car: Solving for 70kg Driver Deceleration
- pats6
- · Replies 4 ·
Finding the coefficient of friction of a block on a table
- ssj2pizza
- · Replies 2 ·
What is the length of the spring
- tnutty
- · Replies 4 ·
Last edited by a moderator: May 4, 2017
- stickplot
- · Replies 10 ·
What is the Coefficient of Rolling Friction for a Tire Under Low Pressure?
- tmilla
- · Replies 2 ·
Gauss's Law with a Cylindrical Shell
- Breedlove
- · Replies 1 ·
A multi loop curcuit- Resistors in parallel and series
- clickcaptain
- · Replies 7 ·
2 problems conserning magnetic fields and units.
- Kruum
- · Replies 4 ·
From Angular Velocity to Angular Acceleration - How?
- berkeman
- · Replies 1 ·
2 Questions - Fnet with a Vector + Forces
- polkadotanne
- · Replies 2 ·
Ferris wheel circular motion (dealing with apparent and true weight)
- physics120
- · Replies 2 ·
Calculating Work and Efficiency of an Aircraft Engine | Heat Engines Homework
- jchipwpunj
- · Replies 1 ·
Defibrillator: charge, capacitance, power and current problem
- bmandrade
- · Replies 1 ·
Understanding Projectile Motion: Question on Angle and Distance
- psmarz
- · Replies 9 ·
Simple Harmonic Motion Reference Circle
- daveyavey
- · Replies 2 ·
Dividing Resistance Wire: How Many Parts?
- Noiro
- · Replies 3 ·
How can I keep the smaller block from slipping down the larger block?
- oscarkool2
- · Replies 3 ·
Potential for two semicircular rods
- phantom113
- · Replies 2 ·
Friction problem of stationary block
- oscarkool2
- · Replies 6 ·
Can You Determine the Mass of an Object from Free Fall Acceleration Data?
- dementor92337
- · Replies 1 ·
How Do You Prove the Vector Identity ∇ x ∇φ = 0 Using Index Notation?
- flame_m13
- · Replies 2 ·
What is the spring constant of each spring
- rayhan619
- · Replies 5 ·
Understanding Voltage: A Fundamental Concept in Electric Circuits
- Ant92
- · Replies 5 ·
Charged particle and Earth's magnetic field at equator question
- bmac
- · Replies 6 ·
What Factors Affect the Torque on a Circular Current Loop?
- Bubofthedead
- · Replies 8 ·
How to calculate the work done by the system
- rangareddy
- · Replies 3 ·
Simple circuit with a transistor
- dancavallaro
- · Replies 6 ·
Charged particle in a magnetic field
- Nivlac2425
- · Replies 2 ·
How Can You Derive the Kinematic Equation V2x^2 = V1x^2 + 2ax(delta)x?
- Intagral
- · Replies 1 ·
How Do You Calculate Tensions in a Dual-Block and Rope System?
- Darklink8
- · Replies 1 ·
Angular Velocity and Tension Around a Fixed Cylinder
- s_stylie0728
- · Replies 1 ·
Rifle Force: Calculating Force Exerted on Bullet
- knight4life
- · Replies 6 ·
Solving Dynamics Homework: Frictionless Ramp & 5.0kg Block
- StarMetroid
- · Replies 2 ·
How Does Changing the Air Gap Affect the Energy Stored in a Capacitor?
- hellogirl88
- · Replies 1 ·
How do I calculate speed in a velocity-time graph? Displacement-time graph?
- kimi8
- · Replies 1 ·
I have a couple of questions on archimedes' principle
- Lexi2009
- · Replies 4 ·
Potential Energy, Tank on Hill, water power generator downhill.
- Wobble
- · Replies 11 ·
Electric Field at Midpoint of Equilateral Triangle
- Brit412
- · Replies 2 ·
Blackbody fraction of Radiation
- patapat
- · Replies 3 ·
How to Calculate Kinetic Friction: 2 kg Block on Steel Table | Homework Help
- ceday
- · Replies 5 ·
Minimum Speed of a Rock: Solving Problem with Pit Gap of 40m
- surfhare75
- · Replies 10 ·
Momentum: I have the answer, now an explanation?
- TG3
- · Replies 3 ·
What is the frequency of the tuning fork?
- rayhan619
- · Replies 1 ·
Electric field at a point on a contour line
- maxsthekat
- · Replies 1 ·
Electrostatic Potential Minimum: Equilibrium for Positive or Negative Charges?
- phantom113
- · Replies 3 ·
Need help determining F and n in terms of variables
- blazeuofa
- · Replies 3 ·
Tangential and Radial Acceleration
- llauren84
- · Replies 2 ·
What Rotation Period Causes 9.8 m/s² Equatorial Acceleration?
- lauriecherie
- · Replies 3 ·
Got challenged by teacher, Coulomb's Law.
- yasu7
- · Replies 1 ·
Sputnik's period around the earth
- rainbowtits
- · Replies 1 ·
Electroscope Properties (need explaination)
- lnvoker
- · Replies 1 ·
Discovering the Force on a Mass Attached to a Wire for Beginners
- lostmoose2121
- · Replies 1 ·
Solving Object's Motion with Constant Forces
- papa_smurf493
- · Replies 2 ·
I have mass and velocity, how do I get accel?
- knight4life
- · Replies 5 ·
Understand Newton's law of universal gravitation
- aligass2004
- · Replies 6 ·
Measure the acceleration due to gravity on a distant planet
- rayhan619
- · Replies 4 ·
Radial and tangential acceleration need hint
- fizzle45
- · Replies 1 ·
Calculate Force on Wall from Tornado Pressure: N Units
- PeachyKeenZen
- · Replies 2 ·
Infinite sheets of charge w/ conducting slab
- rgalvan2
- · Replies 2 ·
Angular Acceleration of a centrifuge
- vipertongn
- · Replies 9 ·
Teach me to fish outward force ball on string
- creationvger
- · Replies 4 ·
Calculating Work & Final Velocity of a 70kg Mass
- magma_saber
- · Replies 3 ·
Given Electric Potential Function Find where field is zero.
- disfunctlguru
- · Replies 4 ·
Solved: Find Tension in Strings of Uniform Stick Suspended from Ceiling
- hellboydvd
- · Replies 10 ·
Question about two circular concentric coils
- phys62
- · Replies 1 ·
Drawing Free Body Diagrams for rope tension
- tascja
- · Replies 3 ·
Calculating Charge on Second Capacitor Connected to Battery
- santina91
- · Replies 4 ·
Vector Components physics homework
- Susanem7389
- · Replies 6 ·
Calculating Displacement, Velocity & Acceleration of a Bicyclist
- intenzxboi
- · Replies 6 ·
Rope Sag and Force on a Block Being Pulled
- Univarn
- · Replies 3 ·
Calculating % Change in Balloon's Volume at Different Altitude and Temp
- chantalprince
- · Replies 4 ·
Solving Atom Ionization with a 50 nm Wavelength
- stickplot
- · Replies 10 ·
Ray Refraction: Finding the depth of a pool
- KEØM
- · Replies 2 ·
Design a Capacitor: 10W, 0.5s, 12V
- cfl25
- · Replies 4 ·
Angular Momentum of a system of particles relative to another point
- DarkerStorm
- · Replies 2 ·
Total angular momentum of hands of Big Ben
- DarkerStorm
- · Replies 2 ·
Optimizing Truck Deceleration to Prevent Crate Sliding
- Intrusionv2
- · Replies 3 ·
1996 AP Exam Question: Lab Situation with spring
- rvhockey
- · Replies 5 ·
How to Calculate Flux through a Square Plate at an Inclined Angle
- marisa29
- · Replies 3 ·
Ideal Gas Law- finding gas density
- chantalprince
- · Replies 2 ·
Parallel Plate Capacitor Connected to Battery: Answers
- shimizua
- · Replies 2 ·
Calculate Current Drawing at 120V After 15.8% Voltage Reduction
- shimizua
- · Replies 1 ·
Newtons second law/friction problem
- renob
- · Replies 5 ·
Friction Cars Racing - 200m Race Results
- Intrusionv2
- · Replies 1 ·
Determining the final position of test charge with multiple potentials
- bluedevil09
- · Replies 26 ·
How to Calculate Radii for a Symmetric Converging Lens to Double Image Size?
- Mennethitus
- · Replies 1 ·
Maximum Angle of Safe Walking on Icy Surfaces
- Intrusionv2
- · Replies 2 ·
350 Hz sound travels through air and metal pipe at different speeds.
- KineticNRG
- · Replies 2 ·
Shotput acceleration and speed calculation
- jarny
- · Replies 7 ·
Calorimeter Homework: Clock Period & Temperature Change
- mimi83
- · Replies 1 ·
Simple Projectile Motion I'm sure
- Todd88
- · Replies 1 ·
Calculating Electric Potential Energy for a Charge Configuration
- synergix
- · Replies 4 ·
Projectile motion of a fire hose
- spacecadette
- · Replies 6 ·
Need help with Charged objects and Electron Force
- Haniszmi
- · Replies 4 ·