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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V=[k(q)/r] + [k(-q)/r] Finding the points where v is equal to zero.
- rslewis96
- · Replies 1 ·
Vertical Circular Motion problem
- hey123a
- · Replies 7 ·
Does the Gravitational Force at the Event Horizon Increase with Black Hole Mass?
- bowlbase
- · Replies 1 ·
Finding current through a resistor
- freshcoast
- · Replies 24 ·
AP physics- finding buoyant force
- astru025
- · Replies 4 ·
What was the relationship tested in the running shoe ramp experiment?
- jefflincoln
- · Replies 1 ·
Can anybody check if I solved this correctly?(tension forces + pulley)
- PhyIsOhSoHard
- · Replies 4 ·
Finding Frequency, Amplitude, and Phase Constant in a Spring Mass SHM Problem
- allykat
- · Replies 22 ·
An object suspended by 2 strings
- crysland
- · Replies 7 ·
First Law of Thermodynamics and temperature
- Gee Wiz
- · Replies 30 ·
Find Center of Mass for Uniform Log: 2.33m, 94.9kg, 72.7kg, 26.1kg
- Barrynew
- · Replies 1 ·
Understanding Angular Acceleration and Velocity in Pulley Systems
- mike.yeagley2
- · Replies 2 ·
If a block is moving and then hits a spring, is the work negative?
- PhyIsOhSoHard
- · Replies 2 ·
Frictionless banked turn? What is wrong with my thinking?
- hey123a
- · Replies 6 ·
What is the correct acceleration for the inclined pulley problem?
- Coco12
- · Replies 5 ·
Numerical aperture greater than 1 in slab waveguide with air cladding
- GreeziakAttack
- · Replies 1 ·
Student running up a descending escalator to beat a record time
- Shindo
- · Replies 3 ·
Shooting Arrows - Nonlinear Spring Problem
- TheBlenderer
- · Replies 4 ·
Calculating Magnetic Field in a Circular Circuit with Varying Resistivity
- rraj411
- · Replies 1 ·
Ranking Electric Potential of Electrons in a E Field
- Dgray101
- · Replies 2 ·
Understanding Standing Waves on a String
- nil1996
- · Replies 2 ·
Physics Problem Conservation of Energy
- John_Smithson
- · Replies 4 ·
How Do I Calculate Acceleration for a Skidding Car?
- l2udolph
- · Replies 1 ·
Slowing a Mass with a Spring Collision
- Coop
- · Replies 2 ·
Special Relativity and Ship Problem
- PsychonautQQ
- · Replies 5 ·
Basic Probability question for a spin 1/2 Particle
- richyw
- · Replies 1 ·
Ideal gas question with 3 variables (scary)
- jrklx250s
- · Replies 5 ·
How Do You Calculate Speed and Normal Forces in a Loop-the-Loop Problem?
- gcharles_42
- · Replies 2 ·
Basics True or False, Momentum Problem
- NoobeAtPhysics
- · Replies 12 ·
Cannot understand Normal Force, Solution to problem
- NoobeAtPhysics
- · Replies 15 ·
How long for a 4050 kg payload to travel 3.82×10⁵ km with 1.753×10⁵ kg fuel?
- Psyguy22
- · Replies 3 ·
Getting magnitude and direction of 3 forces
- anthonyk2013
- · Replies 2 ·
What is the shortest distance through the Earth?
- Levi Tate
- · Replies 28 ·
Rolling Objects With Slipping Question
- Axxaaa
- · Replies 2 ·
Circular motion ultra-centrifuge spin
- Jabababa
- · Replies 4 ·
Dynamics - supertanker coasting to a stop
- azukibean
- · Replies 2 ·
Work and Potential Energy: To the Moon physics problem
- Zeus5966
- · Replies 4 ·
Finding Safe Speeds for a Curved Road
- zaddyzad
- · Replies 7 ·
Ampere's Law: Current Enclosed in a Volume
- Yosty22
- · Replies 1 ·
Why is the Magnetic Field Strength Zero at Point C Between Like Poles?
- JenL
- · Replies 3 ·
Expression of an object and its image onto a screen with two lens?
- Violagirl
- · Replies 7 ·
Are forces balanced or unbalanced when a ball reaches its highest point?
- JenL
- · Replies 11 ·
What is the relationship between current density and wire radius in a wire?
- freshcoast
- · Replies 5 ·
Torque from straight wire segment
- DrIxn
- · Replies 6 ·
Setting Derivative = 0 and solving
- deedsy
- · Replies 5 ·
Power of car going up an inclined road
- coconut62
- · Replies 14 ·
What is the magnetic field of two parallel current loops?
- CAF123
- · Replies 10 ·
Calculate the net torque using all the forces
- wshope11
- · Replies 2 ·
Tension in rope connecting two crates with friction
- MGCLO
- · Replies 20 ·
Why is B more correct than D for capillary action?
- lovelyrwwr
- · Replies 1 ·
What Is the Tension in the String for a Pullstring Walker on a Slope?
- MGCLO
- · Replies 1 ·
How can horizontal force affect power in scientific experiments?
- dmseager7531
- · Replies 2 ·
What Is the Acceleration and Tension in a Frictionless Inclined Plane System?
- anim8or
- · Replies 1 ·
Classic Hit and Stick momentum?
- NoobeAtPhysics
- · Replies 5 ·
Volume of melted liquid water- physics
- astru025
- · Replies 14 ·
Tension in chain segments with hydraulic cylinder force at point B
- steffyj
- · Replies 1 ·
What is the correct radius for spinning a rope with mass?
- Panphobia
- · Replies 8 ·
Possible Energy Level Schemes for a Quantum Object with Three States
- baubletop
- · Replies 1 ·
What is the Normal Force in Terms of Mass on a Ski Jump Training Hill?
- Uiik
- · Replies 2 ·
What Is the Distance at Which There Is No Net Force Between Two Atoms?
- baubletop
- · Replies 2 ·
How many ways to put 100 distinguishable particles into 6 boxes?
- bkraabel
- · Replies 6 ·
Water vs mercury barometer column height when mercury is 32 inches
- astru025
- · Replies 5 ·
Calculating Force Components for Conservative Potential Energy Function
- gcharles_42
- · Replies 1 ·
When Does a Book Slide Off a Tilting Shelf?
- NATURE.M
- · Replies 32 ·
Newton's Laws direction and acceleration
- vanitymdl
- · Replies 13 ·
Find Angle Theta for Mass Revolving in Horizontal Circle
- Radarithm
- · Replies 5 ·
Calculating Velocities in One-Dimensional Collisions
- JamesRV
- · Replies 6 ·
How Do You Calculate the Angular Acceleration of an Arm?
- tristanmagnum
- · Replies 26 ·
Deformation of a dicomponent rod under tension
- member 392791
- · Replies 5 ·
How to Calculate Velocity and Position from a Force-Time Graph?
- gasar8
- · Replies 9 ·
Drop test of an object, are my physics right?
- dt00073
- · Replies 4 ·
Using RHR for Torque: Determine Direction of Loop Rotation
- outxbreak
- · Replies 2 ·
How can I better understand Newton's laws with examples and explanations?
- Justinrmassie
- · Replies 14 ·
Double slit experiment: effect of changing wavelength
- coconut62
- · Replies 1 ·
Isolate for Angle With Variables
- AvocadosNumber
- · Replies 15 ·
Calculating time from two voltages
- Spreco
- · Replies 4 ·
How Do You Calculate Node Distance in a Standing Wave?
- nil1996
- · Replies 1 ·
Why Is Pressure at Point A Different in Ideal and Non-Ideal Fluids?
- lovelyrwwr
- · Replies 8 ·
Finding g from air glider velocity vs time graph
- itwasanacident
- · Replies 1 ·
When is the work on a spring negative and when is it positive?
- PhyIsOhSoHard
- · Replies 2 ·
Why do we use the work energy theorem in systems of energy and work problems?
- FeelTheFire
- · Replies 3 ·
How Do You Normalize and Calculate Expectation Values in Quantum Mechanics?
- richyw
- · Replies 2 ·
Power used to heat water and efficiency math problem
- courtneywetts
- · Replies 20 ·
Why Are There Three Different Integrals for Hooke's Law?
- eseefreak
- · Replies 1 ·
Reversibility of evaporating ice ball
- hunterbowl
- · Replies 2 ·
How Does Trigonometry Determine the Height in a Ballistic Pendulum?
- nathancurtis11
- · Replies 2 ·
Does Propagation of Uncertainties Work with Only One Variable?
- Panphobia
- · Replies 1 ·
How Does Temperature Change Affect the Stress in a Bridge's Expansion Joint?
- themanonthemo
- · Replies 3 ·
Mean velocity for turbulent velocity distribution in pipe.
- SherlockOhms
- · Replies 17 ·
Right hand rule charged particle direction question
- outxbreak
- · Replies 3 ·
Force of Dipole on Proton: Calculating E and F
- elli
- · Replies 3 ·
What is the Coefficient of Kinetic Friction on an Inclined Plane?
- lepton123
- · Replies 8 ·
Change in length of wire after adding a load
- coconut62
- · Replies 5 ·
Slider-crank mechanism angular velocity and acceleration analysis
- sakau2007
- · Replies 4 ·
What Is the Balancer's Torque on a Spinning Plank?
- Gabriel Maia
- · Replies 3 ·
What Are Some Basic Physics Equations for Calculating Motion and Energy?
- toljin
- · Replies 4 ·
Why Do Both Conductors in a Capacitor Acquire Equal Charge?
- bananabandana
- · Replies 3 ·
What is the charge of the oil drop in Millikan's experiment?
- Daniel Luo
- · Replies 10 ·
Analysis of collision of particles from graph
- coldblood
- · Replies 13 ·