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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How to Calculate Resistor Values for Voltage Steps in a Circuit?
- tim345
- · Replies 1 ·
Calculating Magnitude of Resultant Vector for X Added to Y = 12i -16j
- tommy2st
- · Replies 1 ·
Dimensional analysis and exponents
- addedline8
- · Replies 3 ·
Max RANGE of a projectile thrown from the top of a ramp.
- VyRianS
- · Replies 1 ·
Completion of radioactivity equation
- mstud
- · Replies 8 ·
DeBroglie wavelength, kE to (p) conversion?
- Joel DB
- · Replies 1 ·
Solving Homework Equations: Part A, B, C, and D
- athrun200
- · Replies 25 ·
Power, mass, speed, time and height
- furor celtica
- · Replies 1 ·
Is this solvable? Projectile motion
- amber87
- · Replies 2 ·
Finding Missing Vector Homework Solution
- Anester
- · Replies 16 ·
Calculating Vector Equilibrants
- Anester
- · Replies 5 ·
Speed Of A Bullet Before It Strikes A Block Of Wood
- amber87
- · Replies 1 ·
Independent Circuits: Impact of T Closure
- jaumzaum
- · Replies 18 ·
What Is the Velocity of a Charged Particle in a Crossed Magnetic Field?
- jforce93
- · Replies 3 ·
Simple Harmonic Motion Phase angle
- Jimmy84
- · Replies 3 ·
Finding Period and Angular Frequency in Simple Harmonic Motion
- Jimmy84
- · Replies 1 ·
Need very fast answer please. very easy if you know how to read a vernier scale.
- pyroknife
- · Replies 2 ·
What Angle Should the Fireman Aim the Hose to Hit the Same Height?
- i_m_mimi
- · Replies 2 ·
How Does Constant Acceleration Affect a Car's Movement on a Freeway Ramp?
- resjsu
- · Replies 2 ·
Gauss law and insulating sphere
- boris.rarden
- · Replies 2 ·
How Fast Was the Police Car Going When It Was 27 Meters Behind Again?
- mohabitar
- · Replies 2 ·
Minimum Power of the engine on a car climbing a hill
- Matthias85
- · Replies 22 ·
Three forces act on a moving object
- theniknakman
- · Replies 3 ·
Can Any Point Along the Force's Line of Action Be Used to Calculate Moment?
- pyroknife
- · Replies 1 ·
Stuck on simple constant accel. problem
- resjsu
- · Replies 2 ·
Waves - Displacement dependent upon time?
- Peter G.
- · Replies 3 ·
Velocity/Speed Problems (Studying for exam)
- LucasG
- · Replies 1 ·
What is the pressure on face B of an L-shaped tank filled with water?
- azrida
- · Replies 6 ·
Electric potential, spherical conductor
- sparkle123
- · Replies 6 ·
How Do You Calculate the Angle of a Vector in the Third Quadrant?
- Nat3
- · Replies 8 ·
Not a homework - just a question about simply rounding off in physics
- Edwardo_Elric
- · Replies 11 ·
Rounding Homework Answers: Tips for GCSE and Below | Joe's Math Dilemma"
- joe465
- · Replies 6 ·
Another moment question, completely lost
- pyroknife
- · Replies 4 ·
Electric Force- Finding angle of Force on q1 due to q2 and q3
- blackbyron
- · Replies 6 ·
Substended angle, rotational kinematics
- bulbasaur88
- · Replies 1 ·
Find values of p & q in v=K(lambda^p)(g^q)
- glassy
- · Replies 3 ·
Does Rolling Without Slipping Cause Wheel Deformation?
- e(ho0n3
- · Replies 4 ·
Proportion of planetary-period to the distance-from-the-sun
- glassy
- · Replies 1 ·
Finding Magnitude and Direction of Force on a Charge
- cheerspens
- · Replies 10 ·
What is the equation for calculating the electric field and charges?
- johnhunk
- · Replies 3 ·
Finding Magnitude of a Charge on Sphere
- cheerspens
- · Replies 5 ·
Is -16kN*m Equivalent to 16kN*m CW?
- pyroknife
- · Replies 1 ·
What really makes the lamp comes on, tension, current or potency?
- jaumzaum
- · Replies 4 ·
Electrostatic Force and Coulomb's Law
- cheerspens
- · Replies 6 ·
I can't work out how to use my calculator pleae help exam sunday
- Pete789
- · Replies 2 ·
How Do You Calculate Centripetal Force for Circular Motion?
- joe465
- · Replies 6 ·
Coefficient of friction pulley problem
- wallism
- · Replies 13 ·
Frequency of an oscillating mass with springs in series
- laurette1029
- · Replies 1 ·
Relative motion in two dimensions question
- f25274
- · Replies 4 ·
Projectile motion of cannon shell
- pooface
- · Replies 12 ·
Thermodynamics: Ideal gas splitting invention problem
- Beer-monster
- · Replies 2 ·
Which trolley would turn in the smallest circle?
- Dcoz
- · Replies 7 ·
Force exerted by water in a U-shaped tube
- Dansuer
- · Replies 2 ·
Calculating Cannon Ball Barrel Length: Impulse and Velocity
- phizics09
- · Replies 2 ·
Why Does a Heavy Spring Extend Differently Under Its Own Weight?
- randommanonea
- · Replies 1 ·
Hydraulic Car Jack Help: Answering a Question on Hydraulics | PDF Attached
- Dcoz
- · Replies 4 ·
What Happens to the Missing Energy in a Closed Circuit with Capacitors?
- jaumzaum
- · Replies 4 ·
Coulomb's Law and Electrostatic Forces Problem
- cheerspens
- · Replies 6 ·
Entropy of running water around a resistor
- bmarson123
- · Replies 1 ·
What is the Acceleration Experienced in Jules Verne's Moon Launch Scenario?
- stumphead101
- · Replies 8 ·
Vertical motion Kinematics Confused as heck
- DJ-Smiles
- · Replies 12 ·
Simple banked curve, centripetal acceleration problem
- bulbasaur88
- · Replies 13 ·
Diffraction Patterns: Calculate Wavelength of Light
- roam
- · Replies 4 ·
Error Propagation - multiplication vs powers
- Caspian
- · Replies 7 ·
What is the relationship between water level and wavelength in a wine glass?
- SugerQueen
- · Replies 10 ·
Calculating the Speed of a Space Shuttle After 55.2 Seconds
- Goopy17
- · Replies 12 ·
Determine the number of N of digital bits
- tavo0116
- · Replies 5 ·
Resistors in Series Calculations including Uncertainties
- daveco-inc
- · Replies 6 ·
Need help badly, calculating the rate of falling objects
- stumphead101
- · Replies 1 ·
What is the Relevance of the Second Solution in a Quadratic Equation?
- iampaul
- · Replies 1 ·
Can Tom Ogle's Vapor Engine Claims Be Debunked?
- aroc91
- · Replies 1 ·
You nose out a runner to win the 100 meter dash. If your total time
- Goopy17
- · Replies 1 ·
Solving a Triangle: b=17.8m & theta = 65°, Find a & c
- Goopy17
- · Replies 5 ·
Is My Vector Addition Method Correct?
- hyde2042
- · Replies 4 ·
Calculating Spring Potential Energy in a Total Energy System
- flyingpig
- · Replies 4 ·
Current Induced in Loops by Resistance Change
- Hypercubes
- · Replies 3 ·
Place following in scientific notation
- Goopy17
- · Replies 1 ·
Finding the speed of a ball given some height and falling speed
- skysunsand
- · Replies 5 ·
How do I solve for the velocity in a banked curve with friction?
- bulbasaur88
- · Replies 16 ·
What Is the Correct Acceleration When an Object Stops Suddenly?
- Nat3
- · Replies 8 ·
Solving Gravitational Force: F_g between Ring & Mass m at Distance x
- carlosbgois
- · Replies 2 ·
Detecting Circularly Polarized Light with Half-Wave Plates and Polarizers
- silin
- · Replies 1 ·
Reaction between net charge and no net charge
- loganblacke
- · Replies 1 ·
Static friction coefficient question
- hamsterpower7
- · Replies 3 ·
What is the Charge on the metal plate?
- loganblacke
- · Replies 1 ·
How Do You Calculate the Effort Required in a Lever System?
- joe465
- · Replies 22 ·
What is the reason for the division by two in the angular momentum equation?
- Pollywoggy
- · Replies 2 ·
Conceptual question - radioactive nucleus stability
- mstud
- · Replies 1 ·
Wavefront and wave - are they same?
- logearav
- · Replies 4 ·
How Do You Determine the Phase Constant for Combined Light Waves?
- roam
- · Replies 2 ·
Horizontal Distance For Guy Landing onto a running horse
- hyde2042
- · Replies 2 ·
How to Calculate Train Travel Time with Stops?
- tavo0116
- · Replies 18 ·
How do you determine the function of a spring in terms of k?
- drummerscott
- · Replies 2 ·
Zero average speed but nonzero average velocity?
- pozishunvecta
- · Replies 1 ·
Scientific Method Template for College Students - Complex 4-6 Step Process
- rocky43
- · Replies 2 ·
What is the Debye Shielding Problem?
- ggpwntthxbai
- · Replies 1 ·
How Many Coulombs Can Flow Through a 15A Breaker Before It Trips?
- DrummingAtom
- · Replies 4 ·
Find the Current Through a Resistor with a Constant Current Source
- drumercalzone
- · Replies 7 ·
Is this calculation correct for v = 2πfA ?
- ElectricJesus
- · Replies 2 ·
Equillibrium of electrostatic forces of 2 charges on a 3rd
- afulldevnull
- · Replies 3 ·