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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What is the equation for finding the maximum frequency in a towed-array sonar?
- karnten07
- · Replies 1 ·
Kinematics question - which equation to use?
- chjoe0
- · Replies 2 ·
How much does sound intensity increase for 30dB and 22dB?
- carmenn
- · Replies 1 ·
Refraction of light-apparent speed
- irunwithmonkeys
- · Replies 1 ·
Calculating Average Torque on Coffee Can Down Ramp
- fiziksfun
- · Replies 2 ·
Sinusoidal Waves frequency Problem
- JasonV
- · Replies 1 ·
Calculating Depth of Water in Floating Cube
- rsyodoom2005
- · Replies 4 ·
Designing a MATLAB Program for Rocket Launch
- booboo123
- · Replies 1 ·
Calculating Torque Part 2: Finding d
- ahero4eternity
- · Replies 1 ·
How Does a Climber's Mass Relate to Rope Stretch and Fall Distance?
- terrib
- · Replies 1 ·
How Do You Calculate Fr and Xr in Distributive Load Problems?
- jmcmillian
- · Replies 1 ·
What is the net torque on a square metal plate if given three forces?
- ahero4eternity
- · Replies 2 ·
Center of gravity of an irregular object of mass
- Superfluous
- · Replies 4 ·
Coefficient of Friction (Styrofoam on Water)
- dashed
- · Replies 2 ·
Ballistic Pendulum: Determining Projectile Velocity Through Energy Conservation
- hawk320
- · Replies 2 ·
Length of Wavelength in closed aircolumn
- BarCode
- · Replies 2 ·
Find out the velocity and time
- bcdecimator
- · Replies 2 ·
Find the Min. Balloon Diam. for a 269kg Lift
- BuBbLeS01
- · Replies 10 ·
When to use tension and acceleration equations for pulley systems?
- Zhadows
- · Replies 2 ·
How Many Beats Will Be Heard in 10 Seconds with Frequencies of 1000Hz and 998Hz?
- BarCode
- · Replies 5 ·
Centre of Gravity in a Two-Object System: Calculating with Mass and Height
- cfc101
- · Replies 5 ·
Calculating Work Done on a 16kg Crate by Force and Weight
- perfect_piccolo
- · Replies 2 ·
Solving a Differential Problem with Chain Rule
- Hakins90
- · Replies 3 ·
What is the voltage? AC circuit
- Xaspire88
- · Replies 2 ·
Vectors forming a parallelogram
- shiri
- · Replies 1 ·
Five statics and rotational dynamics problems
- srose9625
- · Replies 2 ·
Ideal Gas Law: Calculating Pressure and Moles of Helium Gas
- map7s
- · Replies 2 ·
Calculating Projectile Motion: How Changing Force Affects Arrow Speed
- EasyQuestion
- · Replies 5 ·
Compare the efficiency of two cars.
- weasel
- · Replies 1 ·
Determine the average force that the water exerts on the diver
- pdubb
- · Replies 4 ·
Kinetic energy and rigid bodies
- Niles
- · Replies 2 ·
Sheer stress due to a hole puncher
- maxxed
- · Replies 5 ·
How Does Amplitude Change After Multiple Oscillations?
- yo_man
- · Replies 1 ·
Resonace frecuency and peak current
- Xaspire88
- · Replies 2 ·
Where do friction forces point in this two-block pulley system?
- badbit
- · Replies 2 ·
Coulombs law and electric fields
- pinkyjoshi65
- · Replies 11 ·
How Do You Solve Difficult Matter and Energy Problems?
- Manchuria
- · Replies 4 ·
Time dilation with spaceship at 0.75c and 0.92c
- cyberdx16
- · Replies 1 ·
Rate at which energy is dissipated
- Xaspire88
- · Replies 2 ·
Angular momentum calculations and planetary mass ratios
- Badal
- · Replies 2 ·
Ball passing the 00 on a slowing roulette wheel
- wowolala
- · Replies 1 ·
Find initial speed, travel time and max height above the ground
- zuku82
- · Replies 1 ·
Projectile Motion Questions: Solving for Time and Velocity
- liquidblot
- · Replies 3 ·
How does the changing value of 'g' affect the acceleration of a falling object?
- q01aq
- · Replies 10 ·
What Is the Impact of a Ferris Wheel's Motion on Apparent Weight?
- brutalmadness
- · Replies 4 ·
Simple Harmonic Motion of a cart
- biomajor009
- · Replies 2 ·
How Do You Calculate the Inductance of a Coil?
- Xaspire88
- · Replies 2 ·
Uniform Circular Motion of an object
- brutalmadness
- · Replies 7 ·
Wat are the units of angular velocity of precession?
- karnten07
- · Replies 2 ·
The angular momentum of a flywheel
- Eggyu
- · Replies 2 ·
Pressure Calculation for a Container with Water and Olive Oil
- yoshiko
- · Replies 2 ·
Linear Acceleration at the Top and Bottom of a wheel
- Eggyu
- · Replies 8 ·
Momentum and Impulse for a flywheel
- richiecky
- · Replies 1 ·
Projectile fired at an angle from 1m
- celcon
- · Replies 2 ·
How Does Inductance Affect Current in an RLC Circuit?
- Xaspire88
- · Replies 1 ·
How Does Torque Affect Acceleration in a Rotating Disk System?
- breez
- · Replies 6 ·
Stroboscope flash rate for stationary three-bladed propeller at 12.6 rev/s
- wchvball13
- · Replies 3 ·
Electric Field Strength at Point Z
- pinkyjoshi65
- · Replies 10 ·
Problem Involving Work Required for Stretching Spring
- chocolatelover
- · Replies 3 ·
Work, force, and distance problem
- chocolatelover
- · Replies 12 ·
Calculate Hydrostatic Force for Pumping Out Water from a Circular Pool
- chocolatelover
- · Replies 4 ·
Projectile Motion: Finding Time
- degrass1fan
- · Replies 1 ·
How Do You Plot the Inequalities Y < X and Y > -X on a Graph?
- MoreZitiPlease
- · Replies 3 ·
How Much Work is Done When Pushing a Sled with Different Friction Forces?
- Senjai
- · Replies 3 ·
What Are the Forces Acting on a Box Sliding Down a Ramp?
- mizunopro
- · Replies 4 ·
Solving for Time Gain in Pendulum Clock Covered by Lead Layer
- karnten07
- · Replies 4 ·
Wind turbine energy HW Question
- JuggerNauto
- · Replies 1 ·
Finding the Mass of an Aluminum Cup Based on Heat Transfer in a System
- jincy34
- · Replies 4 ·
Spring oscillator starting from rest at maximum displacement
- Bob Loblaw
- · Replies 2 ·
Work and power for a 120 kg sleigh pulled at constant velocity
- celcon
- · Replies 2 ·
Kinetic energy of moving automobile
- St@rbury
- · Replies 7 ·
Rotational Motion of blocks and string
- tdusffx
- · Replies 3 ·
Components of weight on a 25° inclined ramp
- singinheaven
- · Replies 1 ·
Calculating Compressive Stress and Change in Length of Tibia Bone
- Bob Loblaw
- · Replies 2 ·
A projectile equation, and then some
- MC Tujay
- · Replies 3 ·
Calculating Arrow Flight Time: Solving for Distance and Angle
- Joza
- · Replies 2 ·
Understanding Velocity, Acceleration, and Equations
- The_Z_Factor
- · Replies 4 ·
Thermal Equillibrium (I am missing something here)
- Saladsamurai
- · Replies 7 ·
Falling cat - how long is the cat in the air
- The_Z_Factor
- · Replies 2 ·
How far does an 8 kg block slide after a compressed spring releases it?
- grouchy
- · Replies 7 ·
Static Equilibrium and tension of a cord
- chaotixmonjuish
- · Replies 9 ·
Conservation of Energy in different frame
- Microzero
- · Replies 1 ·
Potential Energy as a function of x
- KvnBushi
- · Replies 3 ·
Determining Maximum Height of a Projectile Shot Upward from Earth
- splac6996
- · Replies 13 ·
Velocity of Striking Ball After Collision: Billiard Ball Physics Problem
- ken62310
- · Replies 12 ·
What is the final speed of a block and the angular speed of a pulley?
- pcandrepair
- · Replies 18 ·
How Many Moles of Air Escape When Heated?
- jincy34
- · Replies 14 ·
Derivation of exponential density function for air
- tony_cruz
- · Replies 2 ·
Why is the system not considered isolated in this scenario?
- jack1234
- · Replies 5 ·
Solve LR Circuit Problem: Find New Values for R & Vo
- pronep
- · Replies 2 ·
How do we detect neutrino particles if they have no mass or charge?
- electron
- · Replies 6 ·
Atmospheric Density, exponential decay derivation
- tony_cruz
- · Replies 1 ·
How Do You Determine the Kinetic Energy of a Satellite in Orbit?
- sunumen
- · Replies 4 ·
Conservation of angular momentum help
- sunumen
- · Replies 2 ·
Volume Charge Density in a long Cylinder
- MtHaleyGirl
- · Replies 6 ·
How Does Circuit Resistance Change with Increasing Triangle Numbers?
- Petrulis
- · Replies 1 ·
Solving Power Energy Problem: Inclined Plane 30 Degrees, 6.4m Long
- deviantdevil
- · Replies 2 ·
Kinetic Energy Formula Expansion / Wnet relation.
- Senjai
- · Replies 7 ·
What is the role of centripetal force in vertical circular motion?
- Hamish Cruickshank
- · Replies 1 ·
Understanding Spring Compression: How Doubling It Affects Stored Energy
- NewJersey
- · Replies 3 ·