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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Gravitational Force on satellite orbits
- temaire
- · Replies 1 ·
Solving Transfer of Energy: Find Height Dropped for Bowling Ball
- Renzokuken
- · Replies 3 ·
Conservation of Mechanical Energy in a ball of clay
- octahedron
- · Replies 4 ·
What is the momentum at maximum height?
- Heathgirl08
- · Replies 3 ·
How Do Tensions on Either Side of a Rotating Pulley Compare?
- Sean77771
- · Replies 1 ·
Calculating Volume and Density: A Wrestler's Underwater Apparent Weight of 80N
- megob
- · Replies 4 ·
What Is the Orbital Period of a Satellite Between Earth and Mars?
- sarahhhh
- · Replies 2 ·
Centripetal Acceleration in Satellites Question
- sarahhhh
- · Replies 2 ·
Finding tension, vertical and horizontal forces for a 4 m beam in equilibrium
- apac
- · Replies 14 ·
Solve Snells Law Problems: Red/Blue Angles, TIR & Light Speed
- ph0bolus
- · Replies 10 ·
How Is the Speed of a Sled Calculated at the Top of a Hill?
- linnus
- · Replies 6 ·
What are the equations for static and kinetic coefficents of friction?
- NewJersey
- · Replies 1 ·
Calculate Spring Constant and Force for Compression
- NewJersey
- · Replies 1 ·
What Is the Work Done by a Mouse Walking on a Spinning Turntable?
- thebest100
- · Replies 4 ·
Differential operators L1 and L2 commutation
- joker_900
- · Replies 2 ·
.Solving Ohm's Law with V1,V2,V3
- Bradracer18
- · Replies 10 ·
Solving A-Level Physics Equation: Calculate Acceleration, Initial/Final Velocity
- Joeirvin
- · Replies 1 ·
Finding bullet speed from collision with 5kg wood block
- Dejey
- · Replies 1 ·
Pascal's Principle Calculations
- Collegestudent5
- · Replies 2 ·
Force, momentum, work, and power eqzn
- ~christina~
- · Replies 16 ·
Potential difference, uniform electric field
- aliaze1
- · Replies 1 ·
How Does Pressure Difference Determine Fluid Density?
- drewsteriam
- · Replies 1 ·
Engine power and car acceleration
- linnus
- · Replies 5 ·
Truck and car collision problem
- dominus96
- · Replies 4 ·
Kinetic Energy on Pulley/Incline System
- spacecataz
- · Replies 9 ·
Wave speed and tension in a tightrope from wave travel time
- sun
- · Replies 8 ·
Millikan's Oil Drop (Finding modified charge)
- fbelzile
- · Replies 8 ·
Where to Position an Object for a 2.5x Erect Image in a Concave Mirror?
- Vidatu
- · Replies 6 ·
Finding moments of resultant forces about a point
- jmcmillian
- · Replies 1 ·
Phase Difference of Two Particles in SHM
- JasonV
- · Replies 1 ·
Water fountain exit velocity from 4.53cm hole
- jago-k1
- · Replies 6 ·
What is the Angular Speed of a Rotating Hoop with Given Radius and Mass?
- Heat
- · Replies 2 ·
Snowball rolling off sloped roof at 40 degrees
- imAwinner
- · Replies 3 ·
Finding Amplitude-simple harmonic motion
- Cheer4WVU
- · Replies 8 ·
How Does Momentum Affect Collision Damage?
- KatieLynn
- · Replies 1 ·
What is the magnitude of impulse in a car crash with given velocity components?
- KatieLynn
- · Replies 3 ·
Find the third mass position for center of mass at origin
- Sucks@Physics
- · Replies 27 ·
Solve the Tray Forces Puzzle: Find T and F
- shotgunbob
- · Replies 1 ·
How Does Air Resistance Affect the Speed of a Falling Pine Cone?
- get_rekd
- · Replies 4 ·
Can Torque and Angular Acceleration Be Used to Trick a Slot Machine?
- PseudoComplex
- · Replies 1 ·
Speed of transverse string waves
- babykeys23
- · Replies 1 ·
Cannon connected to spring fires projectile
- ~christina~
- · Replies 26 ·
Work-Kinetic Energy Contrasting Newton's Laws?
- latitude
- · Replies 2 ·
Projectile motion: supply drop with initial vertical velocity
- Bensky
- · Replies 3 ·
How Does Acceleration Appear on a Graph When an Object Slows Down?
- Khemkhajon
- · Replies 9 ·
Conservation of angular momentum of space station
- olso4142
- · Replies 1 ·
AP Physics Tension and Force Problem
- fiziksfun
- · Replies 11 ·
Calculating Average Retarding Force on Car
- lim
- · Replies 2 ·
Calculating Powerboat Velocity Across Moving River
- helpneeded01
- · Replies 7 ·
Determine the final speed of each disk.
- Th3Proj3ct
- · Replies 4 ·
Apparent momentum violation when pucks stop due to friction
- raman911
- · Replies 1 ·
Solve Impulse and Depth Homework Challenge
- physicsbhelp
- · Replies 58 ·
Finding Initial Velocity to Equations
- navarro714
- · Replies 5 ·
How much work is needed to stop a 1100 kg car at 118 km/h?
- lim
- · Replies 2 ·
Finding acceleration from displacement vs time squared with Excel regression
- BayernBlues
- · Replies 1 ·
How to Calculate Velocity of a Rocket Sled After Passing Over a Rough Patch
- xavior6
- · Replies 3 ·
Hard gravitational force problem
- alexwaylo2008
- · Replies 1 ·
What Formulas Can be Used to Calculate Energy and Forces in a Spring Collision?
- Eternalmetal
- · Replies 4 ·
Calculating Incline Distance for Rotational Motion
- fizzzzzzzzzzzy
- · Replies 1 ·
Work and Potential Elastic Energy
- odie5533
- · Replies 6 ·
Maximum height of rolling hollow ball and kinetic energy of rolling sphere
- BMW25
- · Replies 1 ·
Millikan oil drop experiment: faint drops and excess charge issues
- jaderberg
- · Replies 1 ·
Superhard Potential energy/circular motion problem
- brendan3eb
- · Replies 4 ·
What is the correct formula for calculating centripetal acceleration?
- Sucks@Physics
- · Replies 4 ·
Good Timekeepers: Arranging Clocks by Relative Value
- loisshekinah
- · Replies 1 ·
Finding velocity at endpoints using the central difference method
- Winner
- · Replies 2 ·
Vehicle rotating 360 degrees on curved ramp with 0.7 friction coefficient
- Crashman
- · Replies 1 ·
Does multiplying accessible states apply to equilibrium or nonequilibrium systems?
- proton
- · Replies 3 ·
Difference between beta and electron particle
- electron
- · Replies 4 ·
Change in earth's day length due to water displacement
- karnten07
- · Replies 4 ·
Help Jane & John Pull a Rope: Solve Acceleration & Meetup
- fitchguy316
- · Replies 1 ·
Rotational momentum conservation
- eeriana
- · Replies 1 ·
Finding topics for a high school physics investigatory project
- nid_help
- · Replies 2 ·
How to find coefficient of friction?
- Narayanswamy
- · Replies 5 ·
Torque and Force exerts on pulley
- saturn67
- · Replies 5 ·
Which Vehicle Experiences the Larger Change in Momentum in a Collision?
- jack1234
- · Replies 3 ·
Specific heat, latent heat, and temp
- jaded18
- · Replies 3 ·
How Does Spring Compression Affect Power Transfer to a Moving Ladle?
- Predator
- · Replies 1 ·
Calculating Ideal Gas Volume with the Ideal Gas Law
- jaded18
- · Replies 4 ·
Newton's Law of Gravitation ratio
- brendan3eb
- · Replies 4 ·
Calculating Energy Flux Density and Candle Power
- Ryo124
- · Replies 6 ·
Calculating Centripetal Force in a Vertical Swing
- pooface
- · Replies 13 ·
Solving Friction and Net Force Problems
- flowerchild
- · Replies 4 ·
Calculate the force F necessary to keep the velocity constant.
- AraProdieur
- · Replies 2 ·
Finding constriction diameter from continuity equation and fluid heights
- Roger Wilco
- · Replies 11 ·
Finding the mass of hot water to mix with cold water
- ijaz
- · Replies 3 ·
Update of an old problem, the OP didnt put it down fully
- Predator
- · Replies 2 ·
What Is the Momentum of a Ball at Its Maximum Height?
- KatieLynn
- · Replies 1 ·
Calculate Average Force by finding Impulse over Impact Time
- PhysicsPhil
- · Replies 6 ·
Woman swinging across a ravine on a rope
- donkey11
- · Replies 21 ·
Calculating Frequency of Train Whistle for Approaching Passenger
- merlos
- · Replies 3 ·
What is the Momentum of a 15 Ton Train Traveling at a Speed of 46.6 m/s?
- KatieLynn
- · Replies 3 ·
What is the maximum acceleration a truck can have without a box sliding forward?
- Metalsonic75
- · Replies 1 ·
Finding the point where Earth and Sun's gravity balance on a probe
- brendan3eb
- · Replies 7 ·
Spring and Gravity Potential Energies
- brendan3eb
- · Replies 3 ·
Vectors acting on a mass on an incline
- fgarcia08
- · Replies 15 ·
Solving the ideal gas law for moles
- jaded18
- · Replies 9 ·
Projectile: Do not understand wording
- Electron17
- · Replies 1 ·
Snooker ball rolling, frictional effects, moment of inertia.
- karnten07
- · Replies 1 ·