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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Reaaranging a Bernoulli Equation.
- LemoneyF
- · Replies 1 ·
Gauss' law when charge terminates
- zezima1
- · Replies 18 ·
Direction of a positive charge's velocity in an electric field.
- theBEAST
- · Replies 7 ·
How Do You Calculate Average Velocity with Acceleration and Initial Speed?
- adhoward24
- · Replies 2 ·
Buoyant force of an aluminum block
- domyy
- · Replies 3 ·
How to find tangential and radial acceleration from velocity and acceleration vectors
- BitterX
- · Replies 2 ·
Kinetic energy of electron in polar coordinates
- texan14
- · Replies 1 ·
What Force Does a Charged Particle Experience in a Magnetic Field?
- goomer
- · Replies 5 ·
How Does Refraction Affect Laser Beam Diameter?
- pinkerpikachu
- · Replies 3 ·
Change in entropy as gas expands?
- alexia29
- · Replies 5 ·
Electric field at the location of a point charge
- gotjrgkr
- · Replies 2 ·
Finding the time it takes for light to pass an object
- DODGEVIPER13
- · Replies 3 ·
Required acceleration for m2 to miss perpendicular collision by distance x
- cereal9
- · Replies 12 ·
Orbits and Kepler's Laws Question
- hardygirl989
- · Replies 4 ·
Determining velocity of objects after collision
- sikrut
- · Replies 1 ·
Period for SHM of a block on a spring shot by a bullet
- ggorrilla
- · Replies 4 ·
How Does Gauss' Law Apply to Electric Fields in a Hollow Sphere?
- underground
- · Replies 4 ·
Work and frequency caused by mutual potential energy
- phys17
- · Replies 4 ·
How Far Does a Block Slide Up a Ramp Before Stopping?
- getty102
- · Replies 3 ·
Torricelli Barometer and atmospheric pressure
- bznm
- · Replies 1 ·
Two football players colliding at 90 degrees
- domyy
- · Replies 16 ·
Length contraction - problems with transformation and time
- kapitan90
- · Replies 3 ·
Find initial velocity and time in the air- projectile motion
- dani123
- · Replies 1 ·
Kinematics: Understanding Acceleration and Deceleration - Questions 7 and 11
- Imanroc8
- · Replies 5 ·
Maximum possible amplitude of oscillation
- rlukis
- · Replies 1 ·
Length of string on instrument to produce specific frequency
- idkididk
- · Replies 3 ·
Periodic Motion - Spring hung vertically from ceiling.
- rlukis
- · Replies 1 ·
Understanding Archimedes Principle: Observing Bubble Size in Rising Water Column
- domyy
- · Replies 3 ·
Adiabat Process - with pV cycle
- hevans1303
- · Replies 1 ·
Tangential acceleration - radial acceleration
- finitefemmet
- · Replies 2 ·
What Calculations Are Needed to Solve This Third Order Lever Problem?
- junkie_ball
- · Replies 1 ·
What is the work needed to raise a balloon of water?
- bznm
- · Replies 9 ·
Similar to the swimmer problem:
- Rachel0
- · Replies 9 ·
Analysing a pulley block system
- Boltzmann2012
- · Replies 1 ·
Vector Diagram for Homework - Assistance and Solution
- jsmith613
- · Replies 8 ·
How Much Heat is Needed to Turn Ice at -10°C into Steam at 110°C?
- domyy
- · Replies 13 ·
Moment of inertia - displaced axis
- finitefemmet
- · Replies 2 ·
Finding reaction forces on supports of a symmetric horizontal truss
- amyparker30
- · Replies 7 ·
Coefficient of restitution in semielastic collisions
- suryanarayan
- · Replies 2 ·
Simple Harmonic Motion vibration Question
- rikiki
- · Replies 11 ·
Distance between two bright fringes
- csinger1
- · Replies 2 ·
Average Speed Of a and b where d and t is not given
- rajatbbsr
- · Replies 10 ·
Electric potential energy of the two protons?
- shahin93
- · Replies 1 ·
Car with uniform acceleration covers 6m then 7.5m in consecutive seconds
- Bmrboi
- · Replies 5 ·
Calculating Induced Current in an Expanding Loop
- Andy13
- · Replies 7 ·
Calculating Final Speed of a Thrown Object with Changing Momentum
- quantumpanda
- · Replies 2 ·
How Fast Will a Rocket Go If It Burns Half Its Mass in Fuel?
- jcrongo
- · Replies 1 ·
Does Static Friction Contribute to Work in an Inclined Car?
- Zhalfirin88
- · Replies 4 ·
Calculating Angular Momentum and Velocity of a Rotating Ring-Disk System
- november1992
- · Replies 5 ·
Numerical Problems: The U.S. National Debt
- sfgradv
- · Replies 3 ·
Calculating Time for an Airplane to Come to Rest Using Classical Mechanics
- Prototype44
- · Replies 6 ·
Kinetic Energy's Effect on Electron's Radius in Magnetic Field
- mirandab17
- · Replies 1 ·
Kepler's Law Program With Planets
- hardygirl989
- · Replies 7 ·
At what angle will a box start to slide
- TheronSimon
- · Replies 1 ·
Finding the speed of a proton accelerated through a potential difference
- nukeman
- · Replies 1 ·
Why is √(MgL/m) equal to L/t for wave speed on a wire?
- coldjeanz
- · Replies 2 ·
Phase difference in a two slit interference problem
- DODGEVIPER13
- · Replies 1 ·
Solve Time to Catch Speeding Car: Police Officer Acceleration of 5 m/s2
- Mdhiggenz
- · Replies 2 ·
Finding Work Done by Compressing A Spring
- rk21619
- · Replies 3 ·
Potential of a spherically symmetric charge distribution
- steelclam
- · Replies 1 ·
How to find the wavelength of a Photon with no mass?
- nukeman
- · Replies 1 ·
Distance of the centre of gravity
- John78
- · Replies 1 ·
Moment of intertia of a W figure
- arnab321
- · Replies 7 ·
Finding mass per unit length from wave frequency equation
- mac b
- · Replies 6 ·
Can any of you guys help to understand kinetic energy?
- suryanarayan
- · Replies 5 ·
Are there different kinds of series circuits?
- huey910
- · Replies 3 ·
Newtons third law, elevator question (free body diagram)
- supernova1203
- · Replies 2 ·
Few Problems (Waves, Elasticity, SHM)
- MrWarlock616
- · Replies 9 ·
Equation For Charging Current In Accumulator
- chikis
- · Replies 4 ·
Newton Law Gravitation - Multiple choice question?
- jsmith613
- · Replies 3 ·
Uniform circular motion - 2 dimensional - 2 forces
- finitefemmet
- · Replies 8 ·
Gravitation Field Problem With Equal Masses
- hardygirl989
- · Replies 1 ·
Newtons second law and kinematics
- nadinelyab
- · Replies 5 ·
How Do I Derive Equation 2 from Equation 1 in Physics?
- mazz1801
- · Replies 2 ·
Why is High Resistance Important for Voltage Measurement and Low for Current?
- lolimazn
- · Replies 1 ·
What is the minimum value of b for a particle to stay on a circular rail?
- Jalo
- · Replies 2 ·
Simple Harmonic Motion and Springs
- MRMooneyham
- · Replies 32 ·
Bernoullis principle and lift on a wing of plane
- bfusco
- · Replies 2 ·
Tortoise vs Hare: Solve Homework Problem
- Prototype44
- · Replies 1 ·
How do frequency and mass affect centripetal force in lab experiments?
- n3w ton
- · Replies 2 ·
Is Relative Velocity Crucial for Rocket Launch Direction?
- TheronSimon
- · Replies 5 ·
Dynamics question. inclined plane
- Raye
- · Replies 1 ·
Angle of vevtor in component form
- arukia
- · Replies 3 ·
Finding linear acceleration of a rolling log down a ramp
- Mdhiggenz
- · Replies 1 ·
Finding inductor voltage in an RLC circuit at 200 rad/s
- rabcdred
- · Replies 11 ·
Humphrey the Singing Whale and his mate Matilda.
- ScienceGeek24
- · Replies 1 ·
Pressure exerted by 1 leg of a chair.
- bfusco
- · Replies 3 ·
How Long Before Hearing a Sonic Boom from a Supersonic Plane at Mach 3?
- ScienceGeek24
- · Replies 3 ·
Why Is There a Negative Sign in the Work-Energy Equation?
- 4570562
- · Replies 3 ·
Rotational motion of a spinning disk
- november1992
- · Replies 2 ·
Factors that would increase magnetic flux through a coil?
- mirandab17
- · Replies 1 ·
How to find the wavelength of a particle with mass?
- nukeman
- · Replies 1 ·
Work against friction on a slope and shadow formation diagrams
- lionely
- · Replies 8 ·
How High Must the Plane Fly to Drop Supplies Accurately?
- Prototype44
- · Replies 1 ·
Moment of a 3000N force from a 300kg crate around support A
- John78
- · Replies 6 ·
Potential Energy - Finding Balance Points
- Jalo
- · Replies 1 ·
Antennas causing destructive interference
- PirateFan308
- · Replies 7 ·
How far from the left end should the fulcrum be placed?
- Mdhiggenz
- · Replies 2 ·
Simple Harmonic Motion find Mass
- mhz
- · Replies 1 ·
Force to move a bar in a magnetic field
- QuarkCharmer
- · Replies 3 ·