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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Proton collides with nitrogen-14 nucleus to produce carbon-11 and what?
- Nairmb
- · Replies 9 ·
Block moving around in a semi cricle
- arrax
- · Replies 3 ·
Simple Harmonic Motion-oscillation on an ideal spring
- MissEuropa
- · Replies 3 ·
Isolating acceleration in distance equation
- carinaeeta
- · Replies 2 ·
Magnetic Field square wire loop
- faen
- · Replies 1 ·
Proof: maximum range of an object launched off a cliff
- pantheid
- · Replies 1 ·
On (pentagon shaped) electric field question.
- physikamateur
- · Replies 2 ·
Right Hand Rule Applied to Loops in Magnetic Fields
- yvesers
- · Replies 1 ·
How Does Plaque Constriction Affect Blood Velocity in Arteries?
- semitope
- · Replies 3 ·
How Do You Calculate Impedance for Series and Parallel RLC Circuits?
- physicsphy
- · Replies 1 ·
How Fast Does Blood Travel Through an Arteriole?
- eagles12
- · Replies 3 ·
Is there a way to figure the velocity required to move uphill
- Probie1
- · Replies 2 ·
How Does Efficiency Loss Affect Voltage and Current in a Transformer?
- michaelplease
- · Replies 1 ·
How Does Heat Transfer Between Two Reservoirs Affect Universal Entropy?
- gboff21
- · Replies 4 ·
Potential difference between two points in a circuit with two batteries
- mtu620
- · Replies 6 ·
Angular momentum about an origin (O,O,O)
- Tui
- · Replies 1 ·
Who has a tip on how to remember compounds and their valencies when studying?
- Rhyme Rhodes
- · Replies 2 ·
Calculating Magnetic Field of a Solenoid with Changing Amperage
- GermanMC
- · Replies 1 ·
What determines the speed of two balls on a rotating disk?
- november1992
- · Replies 3 ·
How Much Work is Needed to Move an Electron Away from a Proton by 0.1 Meters?
- vaironl
- · Replies 11 ·
How deep does a lead puck sink in mercury?
- eagles12
- · Replies 4 ·
Ball launched at 45 degrees: why do I get 155 m instead of 50-60 m?
- Aldy
- · Replies 5 ·
Stone thrown upward from 40m tower: time in air and velocity
- kevin112996
- · Replies 1 ·
How much force did a dropped can of beer exert on my foot from 3.5 feet?
- zipee
- · Replies 2 ·
Excel graphing problems with a Physics lab
- BrewDaddy
- · Replies 2 ·
Collinear parallel vs collinear
- equant
- · Replies 1 ·
Ball Rolling Down A Ramp [Science Challenge Question]
- CallMeShady
- · Replies 2 ·
Pressure of Chair Legs: Find F/A for 72 kg Person
- eagles12
- · Replies 1 ·
Why does my velocity calculation keep giving the wrong answer?
- rqureshi24
- · Replies 2 ·
Dimensional Analysis and Power enthropy
- dan4loriel
- · Replies 7 ·
Finding Original Carbon nuclei from given sample.
- rcubed
- · Replies 3 ·
Finding Time Using Displacement and Acceleration
- Paincake
- · Replies 3 ·
How to find the moment of inertia K from rolling an object down a ramp
- ranger275
- · Replies 11 ·
Roller Coaster Energy Calculations
- sroy1313
- · Replies 1 ·
Space shuttle orbital radius when period changes from 1.5 to 24 hours
- npersons274
- · Replies 1 ·
Period of Pendulum Before String Extension
- zeralda21
- · Replies 2 ·
What is the Self-Inductance of an Inductor Given Maximum EMF and Current?
- forestmine
- · Replies 8 ·
Radioactive decay with 1-hour half-life over 3 hours
- joeshmo
- · Replies 2 ·
Finding mass of black hole once given the density
- fifel85
- · Replies 1 ·
Two identical springs with spring constant k and with two Identical masses m
- big_zipp
- · Replies 1 ·
Finding relative velocity when there are multiple unknowns
- fifel85
- · Replies 3 ·
Experimentally Determine the Mass
- spacejam
- · Replies 3 ·
Simple Harmonic Motion and spring displacement
- NeuronalMan
- · Replies 7 ·
Spherical capacitor (Irodov 3.101.)
- Biotic
- · Replies 3 ·
On a silly electric field question.
- physikamateur
- · Replies 4 ·
Substituting the angular velocity and moment of inertia
- Nono713
- · Replies 1 ·
Calculating Dipole Moment: 1.5uC at (0,3), (0,5)
- atomicpedals
- · Replies 1 ·
Magnitude and Direction of Induced Current on a wire around a cylindrical volume
- Aphillips2010
- · Replies 8 ·
Calculating Power Dissipation in a Circuit with Resistors in Series and Parallel
- Pi Face
- · Replies 4 ·
True/False relativity question.
- bayan
- · Replies 3 ·
Ignoring the sign of a charge in electromagnetism
- FatPhysicsBoy
- · Replies 1 ·
Potential Energy from an infinite line charge
- hover
- · Replies 4 ·
Determine its speed after it has slid a distance of 3.00m down the ramp.
- goracheski
- · Replies 3 ·
ATH 101: Efficiency of Isobaric Expansion for Monatomic and Diatomic Gases
- pride443
- · Replies 1 ·
The Maximum current in a transformer
- claybrow
- · Replies 2 ·
Thermal contact final temprature
- roam
- · Replies 4 ·
Breaking acceleration into x and y components for three-body orbit simulation
- Who Am I
- · Replies 6 ·
Solving a Series LRC Circuit with Complex Impedances
- nateja
- · Replies 2 ·
Pogo Stick Elastic Energy: Substituting Correct Variables
- n3w ton
- · Replies 1 ·
The value of spring constant in Mass spring system in an elevator
- abrowaqas
- · Replies 1 ·
What Is the Kinetic Energy Equation for a Mass on a Double Pendulum?
- Axecutioner
- · Replies 3 ·
Why are the accelerations of blocks A and B different in this pulley problem?
- PineApple2
- · Replies 6 ·
Components of A Resultant Force
- Bashyboy
- · Replies 3 ·
Gravity of a Rotating Cylindrical Space Station: Confirmation Needed
- 99wattr89
- · Replies 1 ·
What is the speed of the proton?
- yy205001
- · Replies 5 ·
How Do You Calculate Torque in a Physics Lab Setting?
- john560
- · Replies 1 ·
Finding the coefficient of static friction in a centripiton force equation
- nikni
- · Replies 1 ·
Maximum Charge on a Capacitor in an LC Ciruit
- forestmine
- · Replies 6 ·
Energy released in the fission of one uranium-235 nucleus? (extra neutron)
- mccarthyp64
- · Replies 1 ·
Does a charge go toward high or low potential
- mrhingle
- · Replies 1 ·
Magnetic Field due to a Long Straight Wire (Proof)
- FatPhysicsBoy
- · Replies 6 ·
Solving Oil Drop Experiment: Calculate Largest e Value
- cake_is_a_lie
- · Replies 4 ·
Force experienced by a tennis ball
- jmgXD6
- · Replies 7 ·
Should I Attempt the Pass? Kinematics Problem on a Car
- Bashyboy
- · Replies 4 ·
Rotational Motion and Coefficient of Friction
- tajivie
- · Replies 3 ·
Finding angular velocity of pulleys B and C in compound pulley system
- freshbox
- · Replies 2 ·
How to find the velocity of the protons and antiprotons?
- yy205001
- · Replies 6 ·
How to Solve Acceleration vs Time Graph Problems?
- ev_physics
- · Replies 5 ·
Getting Brewster's Formula from Snell's Law
- coldjeanz
- · Replies 4 ·
Physics electric kettle experiments?
- MehhShell
- · Replies 1 ·
Solving the Hollow Cylinder Equation
- playg
- · Replies 6 ·
ANyone know how to draw a parallelogram/triangle to resolve force?
- mutineer123
- · Replies 5 ·
Conceptual misunderstanding of Velocity-Time Graphs
- zabachi
- · Replies 13 ·
Two source interference determining wavelength
- Alchemist90
- · Replies 6 ·
What volume would this air occupy at STP?
- Bigworldjust
- · Replies 2 ·
Finding the Angle of Resultant Force in a Plane
- RStars
- · Replies 9 ·
What are the different types of kites and how do they work?
- hmmmok
- · Replies 4 ·
Finding the ratio of masses in constant acceleration motion
- Victorzaroni
- · Replies 1 ·
Capacitor with a dielectric: studying for an exam
- mariexotoni
- · Replies 1 ·
Finding the wavelength from the work function in photoemission
- EmmaLemming
- · Replies 3 ·
Two masses connected by a spring
- grusini
- · Replies 2 ·
Rate of flow through a damn gate
- bcd201115
- · Replies 1 ·
Force from the water on the gate
- bcd201115
- · Replies 2 ·
Findng electric force for line of charge
- lonewolf219
- · Replies 3 ·
Flux through loop around solenoid
- gboff21
- · Replies 4 ·
Calculating Time Until Balls Reach Same Height
- louis676
- · Replies 21 ·
Angular acceleration and Torque when rod reaches vertical position?
- sweetpete28
- · Replies 5 ·
Wheel angular acceleration and kinetic energy from torque
- the_man
- · Replies 7 ·
Is My Graph of Temperature vs. Time Correct for Heated Water with Constant Mass?
- zabachi
- · Replies 1 ·