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 Does Friction Affect the Motion of a Block Colliding with a Spring?
- _mae
- · Replies 2 ·
Balancing Forces and Mass on Mars
- landry
- · Replies 1 ·
Does Doubling Horsepower Double Elevator Speed?
- NewJersey
- · Replies 1 ·
Sketch the graph of Ff(y-axis) vs Fapp(x-axis)
- pyroknife
- · Replies 3 ·
How Can I Extend My Coursework on Standing Waves?
- Faloren
- · Replies 1 ·
Calculating Tension Needed to Lift 1400 kg Car
- mortho
- · Replies 1 ·
Coefficient of kinetic friction of a block
- landry
- · Replies 1 ·
How Do You Calculate the Depth of a Well Using the Speed of Sound?
- sun
- · Replies 12 ·
Diver falling from 10 m platform: find speed at water
- rhxoehwhfh
- · Replies 5 ·
Calculate the frictional torque of the record player
- Noor123
- · Replies 7 ·
Work done pulling a wagon at 40 degrees to horizontal
- rhxoehwhfh
- · Replies 6 ·
How much tension must a rope withstand if it is used to accelerate a 1400 kg car
- mortho
- · Replies 11 ·
Speed after collision of a truck
- KatieLynn
- · Replies 1 ·
Calculate Acceleration: 50N Force on 10kg Object with Ms=0.6
- slammer
- · Replies 1 ·
Apparent mass of lead brick moving at 0.73c
- The Motif
- · Replies 1 ·
Finding Force Values Using Pythagorean Theorem
- slammer
- · Replies 2 ·
Does static friction prevent motion when larger than applied force?
- pyroknife
- · Replies 4 ·
What Are the Correct Units for Weight?
- pyroknife
- · Replies 5 ·
Rappelling problem equilibrium w/ torques
- chriskaplan
- · Replies 1 ·
How can I approach this rotational equilibrium problem?
- Tony89
- · Replies 1 ·
Solving Frictionless Snow Physics Problem - How Far from Ramp?
- feedmeister
- · Replies 1 ·
Microstate and Oscillators
- xosnowyangelxo
- · Replies 1 ·
Harmonic Motion-Just need to make sure
- jago-k1
- · Replies 2 ·
Why doesn't airplane cabin pressure push the window inward?
- gills
- · Replies 7 ·
Springs, Simple Harmonic Motion
- ceeforcynthia
- · Replies 1 ·
Determine the acceleration as it slides down the plane
- mortho
- · Replies 10 ·
Distance Calculations for Sliding Box with Given Forces
- mortho
- · Replies 22 ·
Calculating Force Needed to Push Fluid into a Vein at 18 mm Hg Pressure
- Paulbird20
- · Replies 6 ·
Astronaut drifting from shuttle at 0.350 m/s
- steven10137
- · Replies 13 ·
What are Some Examples of Conservation of Energy in Real Life Scenarios?
- feedmeister
- · Replies 4 ·
Projectile motion flight time of ball
- ronny45
- · Replies 1 ·
Marble collisions, momentum, velocity
- KatieLynn
- · Replies 1 ·
Minimum barge length for plane landing with friction
- excel000
- · Replies 8 ·
How Do You Calculate Angular Momentum for a Particle in Non-Linear Motion?
- karnten07
- · Replies 7 ·
Solve Harmonic Problem: Find Bullet Speed Before Impact
- ceeforcynthia
- · Replies 1 ·
Calculating Oil Flow Speed: Density 850 kgm^3, Pipe Diameter 8 cm
- ssb
- · Replies 1 ·
Charged ball suspended near wall in electric field
- snipez90
- · Replies 3 ·
Projectile Physics Problem: Understanding Rock's Horizontal Flight Time
- physucsc11
- · Replies 3 ·
Calculating Coefficient of Force for 2.6 kg Box on Concrete Floor
- mortho
- · Replies 2 ·
What is the Weight of a Spacecraft at Various Distances from Earth?
- skins266
- · Replies 15 ·
Calculating Average Power for a Model Train Accelerating from Rest
- ~christina~
- · Replies 2 ·
Projectile motion of a baseball
- unknown_2
- · Replies 4 ·
How to Find the Energy in Harmonic Motion?
- gills
- · Replies 12 ·
How Does a Weight Affect Balance in Rotational Motion?
- noapologies01
- · Replies 8 ·
Bullet embedded in spring-block system: finding initial bullet speed
- ceeforcynthia
- · Replies 1 ·
When does Wnet = ΔKE apply if an object has potential energy?
- MIA6
- · Replies 6 ·
How Do You Calculate Peak Current for a Light Bulb?
- Ryo124
- · Replies 3 ·
How Do You Calculate the Electric Charge of a Sphere?
- Ryo124
- · Replies 1 ·
Box sliding down plane - find work
- NewJersey
- · Replies 14 ·
3 problems on Rotational Dynamics
- chavic
- · Replies 4 ·
Calculate Work by Non-Conservative Forces for 1.10x10^3kg Car
- Jacque77
- · Replies 2 ·
Gravitational Force of a rocket
- skins266
- · Replies 7 ·
Work done compressing spring and ball height from spring launch
- NewJersey
- · Replies 6 ·
Ship gun hitting cliff top and two towers collision problem
- kaushalyjain
- · Replies 1 ·
Magnetic field inside square conductor
- Endurance
- · Replies 1 ·
Optimal Length for Triple-Segment Metal Rod Hanging | Torque Equations
- chriskaplan
- · Replies 2 ·
Understanding Newton's Laws: Solving for Forces in Elevator Scenarios
- BadlyAddicted
- · Replies 1 ·
Finding the height for a toy truck to reach 4.0m/s at the bottom of a slope
- david18
- · Replies 1 ·
What would happen to the the 5.98e24 kg Earth?
- sensesfail
- · Replies 3 ·
RC Circuits - Why Does the Graph of R vs. tau Pass Through the Origin?
- julesshmules
- · Replies 7 ·
Energy available for new particles in electron-proton collision
- joker_900
- · Replies 7 ·
Acceleration and rotating bodies.
- Niles
- · Replies 9 ·
Acceleration due to gravity on planet
- yo_man
- · Replies 4 ·
Kinetic energy of plastic and lead carts pushed by equal force
- feedmeister
- · Replies 2 ·
What Is the Final Temperature of a Mixture of Oxygen and Air?
- gamx
- · Replies 1 ·
How Does Friction Affect the Span of a Sliding Chain?
- Johnny87
- · Replies 4 ·
Simple Harmonic Motion Lab Data Analysis
- Need_Help!!!
- · Replies 1 ·
Checking worksheet answers for mass conversions
- scjibran
- · Replies 7 ·
Finding reaction force and load on balanced bar with frictionless pivot
- noapologies01
- · Replies 1 ·
How to Calculate the Minimum Couple to Rotate a Cylinder on Inclined Planes
- Johnny87
- · Replies 6 ·
Superposition wave values problem
- Nghi
- · Replies 1 ·
What average force is it brought to rest?
- missashley
- · Replies 2 ·
How Much Force Did the Car Exert to Stop a Hail Stone?
- sensesfail
- · Replies 1 ·
Cart on an inclined ramp, with rebound
- Goldenwind
- · Replies 4 ·
Find Focal Length of Mirror with 9.5 Magnification, 14mm from Object
- Ry122
- · Replies 3 ·
Work done by force and angle between vectors F and r
- mkwok
- · Replies 10 ·
What Pressure is Needed for a Specific Area of Tire Contact?
- Nghi
- · Replies 4 ·
At What Temperature Will the Ring Just Fit Over the Rod?
- Saladsamurai
- · Replies 8 ·
Find Speed of Block Dropped on Spring: Mass, Height, Compression
- grouchy
- · Replies 3 ·
Spring Question parallel vs series?
- pauloemsu
- · Replies 2 ·
Diff. paths of a Force in xy-plane
- KvnBushi
- · Replies 11 ·
The elastic ribbon sine-Gordon model
- standardflop
- · Replies 1 ·
A little help please what is the mass of the pulley?
- Sucks@Physics
- · Replies 6 ·
Inertial Forces: Is Force Same From Heavy/Light Body?
- olga11
- · Replies 5 ·
:Launching a Jet: Understand the Physics of a Catapult
- NewJersey
- · Replies 3 ·
Kinetic energy and the revolutions
- keweezz
- · Replies 1 ·
Work done by a spring when stretched
- bobby3280
- · Replies 7 ·
How Does Doubling Capacitance Affect Voltage Distribution in a Series Circuit?
- ortin
- · Replies 1 ·
Acceleration and net force for masses on a pulley system
- bekbel
- · Replies 6 ·
Change in Kinetic Energy of block
- grouchy
- · Replies 10 ·
Calculating the Rate of Acceleration of a 45 Degree Incline
- IMK
- · Replies 7 ·
Find the volume of the object sticking out of the water
- BuBbLeS01
- · Replies 9 ·
Bullet speed and thermal equilibrium
- Vanessa23
- · Replies 1 ·
Sphere on step with applied force P: when does it rotate or slip?
- Johnny87
- · Replies 5 ·
Estimating ear canal length and resonant frequency
- duoheer
- · Replies 1 ·
Charge moving through electric and magnetic field
- Supernats
- · Replies 4 ·
Engineering Mechanics - Resultant of || forces
- Edwardo_Elric
- · Replies 3 ·
Force Spring Compression of 13kg Block on 35° Incline
- _mae
- · Replies 2 ·
Force applied to lawnmower and resulting acceleration
- NewJersey
- · Replies 1 ·
How Does Elevator Acceleration Affect Scale Readings in Newtons?
- NewJersey
- · Replies 1 ·