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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Which formulas do I use to solve these pr
- ProtoFLX
- · Replies 1 ·
Why does the point experience NEGATIVE field strength?
- 1832vin
- · Replies 2 ·
Calculating Radial Acceleration of a Rotating Wheel
- David112234
- · Replies 2 ·
Kinematics involving an airplane
- davedave
- · Replies 3 ·
Maximum load platform can withstand
- foo9008
- · Replies 34 ·
Geometric Similarity: Solving for Lp and Lm | Prototype and Model Lengths
- welovephysics
- · Replies 3 ·
Force Calculation in High Jump Takeoff
- pennywise1234
- · Replies 2 ·
Magnitude and Direction of Frictional Force on a Moving Object
- pennywise1234
- · Replies 9 ·
How to Calculate Net Resistance in an Infinite Sequence of Resistors?
- diredragon
- · Replies 5 ·
Pressure calculations in a manometer
- Faiq
- · Replies 13 ·
Energy conversion in a spring SHM
- Radic S
- · Replies 13 ·
Dynamics of Rotational Motion and hinge
- denny2
- · Replies 2 ·
How Do You Calculate Energy and Speed on a Roller Coaster?
- alijan kk
- · Replies 8 ·
Drawing a heat curve of ice melting
- Evangeline101
- · Replies 4 ·
(Special relativity) Two masses connected by spring
- vielendank
- · Replies 4 ·
Reversing an electron's speed in a magnetic field
- Biker
- · Replies 3 ·
Longitudinal and Transverse waves transmitting at same Veloc
- Buster R
- · Replies 1 ·
Deriving Discharge Expression for Broad Crested Weir Model
- welovephysics
- · Replies 1 ·
Phase problem in a damped RLC circuit
- anizet
- · Replies 3 ·
Please check my answers: Combined Circuit
- j doe
- · Replies 2 ·
Ball rotated on a string vector diagram
- Ab17
- · Replies 25 ·
What is the Maximum Height Achieved by a Soccer Ball Kicked at a 45° Angle?
- pennywise1234
- · Replies 11 ·
Ratio of size of prototype and model
- welovephysics
- · Replies 12 ·
What are the equations for solving combined circuit problems?
- j doe
- · Replies 22 ·
How Do You Calculate Forces on a Crate on an Inclined Plane?
- Nikstykal
- · Replies 5 ·
How Does Hill Angle Affect Pedal Force on a Bike?
- ollie_craw
- · Replies 9 ·
Conservation of Momentum Spaceship Question
- qwertyqwert321
- · Replies 6 ·
Calculating Work Done by a Child Pulling a Toy Car
- j doe
- · Replies 2 ·
Electric field of a disk & u-substitution
- Taulant Sholla
- · Replies 2 ·
Use a bubble chamber photo to find collision/decay particles
- katamaster818
- · Replies 3 ·
Conservation of energy: Conceptual question
- Neha Siddhartha
- · Replies 9 ·
Charged particle in centre of equilateral triangle
- prehisto
- · Replies 7 ·
Buoyancy correction in a Kater's pendulum
- JulienB
- · Replies 4 ·
M=Fl solve a Moments problem (force X distance)
- Drizzy
- · Replies 13 ·
Calculating Maximum Height in Projectile Motion on a Trampoline
- pennywise1234
- · Replies 6 ·
Angular velocity and acceleration
- Nikstykal
- · Replies 1 ·
How Does Carbon-12 Have a Lower Rest Energy Than Its Separate Nucleons?
- fridakahlo
- · Replies 3 ·
Work, Power, energy: Appliances (refrigerators, freezer etc)
- Evangeline101
- · Replies 11 ·
Pressure of wheel after being pumped
- songoku
- · Replies 8 ·
How does stirring a cup of tea affect the entropy of the tea and the universe?
- bananabandana
- · Replies 11 ·
How to Calculate Gas Usage in Pressure Drop Situation?
- prehisto
- · Replies 4 ·
Which of the following strong reactions is possible?
- katamaster818
- · Replies 3 ·
Electrostatics problem- two sphere
- Physgeek64
- · Replies 3 ·
Ship draft (draught) word problem buoyancy
- late347
- · Replies 3 ·
"AC Circuit Analysis - Find i1(t) & i2(t)
- Incand
- · Replies 2 ·
Hardy Cross method correction problem
- welovephysics
- · Replies 2 ·
A question on percentage uncertainty
- Mr Bob555
- · Replies 4 ·
What distance does the block slide?
- JiJiasd
- · Replies 7 ·
Thickness of object to halve the stress
- songoku
- · Replies 7 ·
Time Dilation particle lifetime
- katamaster818
- · Replies 2 ·
Can some explain vector a+b must be great than a-b
- PoohBah716
- · Replies 3 ·
Treating a projectile like a rotational system?
- LiliPling
- · Replies 18 ·
Understanding Velocity and Acceleration in Rotational Motion
- David112234
- · Replies 2 ·
Simple problem calculate total Resistance parallel
- late347
- · Replies 2 ·
Young's double-slit interference?
- kimlu
- · Replies 4 ·
Calculating Water Depth Using Snell's Law and Trigonometry
- prehisto
- · Replies 4 ·
How Can Ohm's Law Help Determine Current in a Parallel Circuit?
- Zoey
- · Replies 29 ·
Question About Electric Circuit
- askor
- · Replies 4 ·
Solving Work Done by Pushing a Lawnmower
- fleur
- · Replies 3 ·
Calculating focal length from a number of focal ratios
- Fernwood
- · Replies 5 ·
Question about Electric Fields and Charges
- gamma-guy
- · Replies 5 ·
Question about Centripetal Force
- Banker
- · Replies 9 ·
Work done in moving a charge to infinity
- beamie564
- · Replies 9 ·
Second Newton's law in rotation with pulley.
- PhysicsKush
- · Replies 4 ·
Motorcycle Police Officer Chasing Car
- Ummiya
- · Replies 18 ·
How to calculate the height of a skier
- JiJiasd
- · Replies 6 ·
Question about parallel plate stuff
- johnknee
- · Replies 8 ·
Resultant Displacement with direction problem
- pennywise1234
- · Replies 1 ·
Relatively simple vectors question, but no numbers....
- Bagwan
- · Replies 4 ·
Electric circuitry, confusion about the electric charge
- late347
- · Replies 5 ·
What is the average power of a boy
- JiJiasd
- · Replies 3 ·
Satellite Low-Earth Orbit: Does Air Friction Slow It?
- Bashyboy
- · Replies 20 ·
Why does a swimmer take longer to complete a trip in a river with a current?
- Ab17
- · Replies 10 ·
When Does the Rate of Change of Magnetic Flux Equal Zero?
- Neha98
- · Replies 1 ·
Solve Fluid Mechanics Homework: Q, m, t, P
- smosikas
- · Replies 4 ·
The speed of a projectile when it reaches its maximum height
- Ab17
- · Replies 12 ·
Fluid Mechanics-Bernoulli and Energy Equations
- Joseph95
- · Replies 1 ·
The block and spool problem (dynamics of rigid bodies)
- multiplegoats
- · Replies 13 ·
With which speech goes the Mass through the Equilibrium?
- wiegetz
- · Replies 4 ·
Fluid discharge from pipe to atmosphere
- foo9008
- · Replies 2 ·
Solving the Network of Pipes: Two Possible Answers?
- foo9008
- · Replies 9 ·
When Will the Proton Meet the Rear of the Ship?
- i_hate_math
- · Replies 3 ·
How to solve for Initial velocity Problem
- pennywise1234
- · Replies 6 ·
Triognometric problem with vectors (how to solve)
- pennywise1234
- · Replies 10 ·
Using the Work-Energy Theorem to Solve a Textbook Sliding Problem with Friction
- Yosty22
- · Replies 9 ·
Best way to calculate UV-Vis absorption onset?
- Dan Zar
- · Replies 1 ·
What is the speed of an object falling from a rotating spherical shell setup?
- ekram
- · Replies 1 ·
Ball rolling down an incline gaining mass
- Physgeek64
- · Replies 11 ·
What Are the Damping Mechanisms in Grand Pianos?
- Radic S
- · Replies 4 ·
Potential Difference: Electron Accelerated to Relativistic Speed
- Kung-Fu
- · Replies 8 ·
Another electric field question
- cros0
- · Replies 3 ·
Solving angular acceleration Problem
- pennywise1234
- · Replies 5 ·
Trigonometric Solution for Resultant Vector Magnitude and Direction
- pennywise1234
- · Replies 15 ·
Position of electron motion 2D
- Ab17
- · Replies 2 ·
Mass point sliding on a rotating line (Lagrangian)
- JulienB
- · Replies 15 ·
Process which electricity is generated (Nuclear power)
- Radic S
- · Replies 3 ·
Electric Field question - Why is this answer negative
- cros0
- · Replies 2 ·
How does a swing demonstrate acceleration changes in both speed and direction?
- ARussell1
- · Replies 2 ·
3 masses on an incline (connected)
- Ab17
- · Replies 3 ·
Force applied on cable attached to car and tree
- Ab17
- · Replies 4 ·