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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Grinding wheel: angular velocity, centripetal force, and particle ejection
- songoku
- · Replies 2 ·
Speed before impact of an object falling down a slope.
- DAN393
- · Replies 1 ·
What Is the Speed of a Cannonball at Its Maximum Height?
- Chaalie
- · Replies 3 ·
What Is the Radius of Gyration of a Rectangular Frame About Its Center?
- madmax2006
- · Replies 1 ·
How Do Angles Affect Tension and Equilibrium in a Strut System?
- Bryon
- · Replies 3 ·
Solving Mechanics Problem: Forces, Eqns of Motion, Reactions
- henryc09
- · Replies 5 ·
Angular momentum problem - what am I doing wrong?
- henryc09
- · Replies 1 ·
What Determines the Coefficient of Static Friction in Oscillating Blocks?
- Havok104
- · Replies 1 ·
Why is horizontal escape velocity less ?
- victoriafello
- · Replies 3 ·
What Is the Mass of a Planet Given Its Moon's Orbital Period and Radius?
- Greywolfe1982
- · Replies 2 ·
Equilibrium Problem - Forces acting on beam supports
- 8m57w6
- · Replies 1 ·
Finding Initial Velocity from Launcher Trajectory
- geolej
- · Replies 2 ·
Why do the propellers pull an aircraft, but push a ship?
- Degu
- · Replies 9 ·
The diffrent frictions and how they apply in life.
- HaZzArD 09
- · Replies 2 ·
Integrating dv/v to find velocity as a function of time
- Punkyc7
- · Replies 4 ·
Calculating Power Absorbed by a Heater
- songoku
- · Replies 2 ·
Determine from the graph the speed of the car
- songoku
- · Replies 2 ·
Force on a block resting on a 15-degree incline
- HaZzArD 09
- · Replies 4 ·
Which Point Has the Lowest Pressure in a Fluid System?
- MechaMZ
- · Replies 1 ·
How Does a Ship's Angle and Friction Affect Its Acceleration Down a Ramp?
- HaZzArD 09
- · Replies 2 ·
Work done by a non-constant force
- clutch12
- · Replies 9 ·
Speed of clay lump before hitting target with friction coefficient 0.35
- Dark Visitor
- · Replies 26 ·
Rolling motion of an unbalanced disk
- NoYou
- · Replies 1 ·
Solving Monkey Swing Physics Problem
- Hothot330
- · Replies 4 ·
Finding the possible frequencies of a tuning fork
- chris097
- · Replies 3 ·
Conservation of momentum and relative velocity
- anotherghost
- · Replies 1 ·
Volumetric Expansion: Temperature, Heat & 3 Alpha=Beta
- mjongem
- · Replies 3 ·
Train whistle frequency as it approaches and recedes
- cyspope
- · Replies 1 ·
Simple Gas Ionization Detector Problem
- jumbogala
- · Replies 1 ·
Calculating Maximum Compression and Acceleration in a Car-Spring Collision
- ellyb
- · Replies 10 ·
Calculate Mass of Unknown Planet with Physics B Ques.
- cyspope
- · Replies 3 ·
What is the sweet spot for rotational kinematics?
- Pogorz
- · Replies 3 ·
Painter on board balanced with paint cans on one support
- Bryon
- · Replies 1 ·
Two hockey players colliding at 130° angle
- court2011
- · Replies 1 ·
How to find initial velocity in projectile motion problem?
- nicoleisgoat
- · Replies 12 ·
Accelerating blocks connected by a spring
- XanziBar
- · Replies 4 ·
What Are the Limitations of the Law of Universal Gravitation?
- Wildcatfan
- · Replies 1 ·
How Does Physics Explain Everyday Phenomena?
- Slats88
- · Replies 11 ·
Projectile motion problem - velocity , angle, and vertical acceleration unknown
- EL ALEM
- · Replies 3 ·
Conservation of Energy + circular motion
- anotherghost
- · Replies 1 ·
Acceleration of a rod when one end is released
- indie452
- · Replies 1 ·
Finding velocity from photogate data in simple pendulum lab
- exparrot
- · Replies 1 ·
Astronaut pushing satellite in space shuttle problem
- court2011
- · Replies 1 ·
Inverse Square Law concerning Light
- MangoOverlord
- · Replies 3 ·
Calculation of Oscillation Period- Short Problem
- BDM333
- · Replies 1 ·
Coefficient of kinetic friction of car collision
- xshezsciencex
- · Replies 1 ·
How do momentum and friction affect Indy car crashes?
- Princess Raja
- · Replies 3 ·
Calculating Magnetic Energy in Our Classroom
- tomfrank
- · Replies 8 ·
Pliers dropped 80 meters in the Amazon tree canopy
- element41
- · Replies 1 ·
Cross hanging from rearview mirror
- jamessmith
- · Replies 1 ·
What is the linear acceleration of the bucket?
- Dark Visitor
- · Replies 36 ·
Newton's Law of Gravity question
- cyspope
- · Replies 3 ·
Solution needed : Kinematics problem
- dawoodvora
- · Replies 4 ·
Calculating Velocity of a Cannonball After Varying Force
- Cherrybawls
- · Replies 2 ·
Static equilibrium (conceptual)
- kermitthefrog
- · Replies 1 ·
How High Do Colliding Masses Reach in a Frictionless Bowl?
- joemama69
- · Replies 1 ·
Girl on rope swing: potential energy gain at 35° angle
- aspirare21
- · Replies 2 ·
How Does a Hockey Stick Affect Puck Velocity and Direction?
- joemama69
- · Replies 1 ·
Rotational Kinematics - The differential gear of a car axle
- crono_
- · Replies 9 ·
Finding tension in the coupling between engine and train
- ChrisBaker8
- · Replies 12 ·
Dropping meat on weighing scale
- quietrain
- · Replies 8 ·
Energy Conservation: Velocity of Marbles 1, 2 and 3
- xshezsciencex
- · Replies 1 ·
Resonance and natural frequency
- Theroen
- · Replies 1 ·
Finding theta 3 in a refraction problem
- ibysaiyan
- · Replies 9 ·
Calculate Moment of Inertia of Disc w/ Added Mass: 40 to 30 revs/min
- tomwilliam
- · Replies 2 ·
Violin string frequency when tension increases 15%
- raindrops
- · Replies 1 ·
Forces acting on object hanging from rearview mirror
- student000
- · Replies 1 ·
Finding two locations where power out is collision problem
- Samuelb88
- · Replies 1 ·
Calculating Force P to Lift 200kg Crate: A Challenge!
- mike41
- · Replies 2 ·
Accelerating rocket w/ changing mass *need to finish tonight*
- Proximity
- · Replies 6 ·
How Far Is the Dog from the Shore After Walking on the Boat?
- anotherghost
- · Replies 1 ·
Force on rope and acceleration
- 72beeflee
- · Replies 1 ·
Zero accerlation for spacewalking astronaut and sattelite?
- BadaBadi
- · Replies 1 ·
Plant doubling in height each week reaches building at day 25
- dawoodvora
- · Replies 2 ·
Finding the Displacement of a piston in circular motion
- Fennec
- · Replies 5 ·
Archimedes' Principle Buoyancy?
- munchy35
- · Replies 3 ·
Tension in coupling between engine and train at constant power
- knowlewj01
- · Replies 8 ·
Finding the mass of our Galaxy and the number of stars in it.
- seizureboi
- · Replies 4 ·
Disconnected and Reconnected Capacitors
- nns91
- · Replies 2 ·
Calculate the velocity of the particle at t=4.0 s.
- student000
- · Replies 3 ·
Calculating Velocity of Bullet After Impact
- thefifthlord
- · Replies 7 ·
How Do You Determine Fx and Fy in a Rigid-Body Equilibrium Problem?
- physicsCU
- · Replies 2 ·
Find the x and y components of the following displacement.
- 1irishman
- · Replies 6 ·
Determine the sign of angular momentum
- MechaMZ
- · Replies 2 ·
Net displacement for a point on a circular saw
- BHFCBabe
- · Replies 1 ·
Finding the slope and intercept of a graph
- jumbogala
- · Replies 1 ·
Calculating Frictional Force on a Ladder Against a Wall
- Dark Visitor
- · Replies 15 ·
Are Body Muscle Forces Conservative?
- revolutionx89
- · Replies 1 ·
Solving Car Accident Problem: Jeep Speeding?
- jared13
- · Replies 1 ·
How Do I Set Up Statics Forces and Moments Problems?
- akhmed966
- · Replies 8 ·
Why does a ball dropped from a moving ship's mast land at the base?
- lauralovesyou
- · Replies 1 ·
Equalizing pressure between two vessels
- kandelabr
- · Replies 1 ·
Danger of Driving Too Fast on Icy Highway Curve: Newton's 1st Law
- lauralovesyou
- · Replies 1 ·
Law of Conservation of Energy with a Spring
- adrenalinefix
- · Replies 3 ·
Predict the equation for the period of a pendulum
- soccergirl14
- · Replies 5 ·
Car coasting down 150 m hill with friction to find final speed
- DraculaNotI
- · Replies 2 ·
Specific heat problem finding final temp with calorimeter system
- bam09
- · Replies 2 ·
Question on standing/stationary waves
- pianogirl
- · Replies 1 ·
How far up an 8 m ladder can an 800 N person climb before it slips?
- Dark Visitor
- · Replies 24 ·
Maximum Force for Block on Bracket Friction?
- Proximity
- · Replies 3 ·