Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Placing x-markers to drop water balloon on students
- negation
- · Replies 5 ·
Understanding Center of Mass Distribution in Rotational Equilibrium
- omarMihilmy
- · Replies 13 ·
Force on 60kg Parachutist Falling w/ 7kg Parachute
- KiNGGeexD
- · Replies 10 ·
How Do You Calculate the Maximum Force on Stacked Blocks Without Slippage?
- Speedking96
- · Replies 7 ·
Maximum speed on curved bridge before losing contact
- Speedking96
- · Replies 3 ·
Finding cross-sectional area from terminal velocity.
- mgsk
- · Replies 2 ·
Cycling power of a bike with engaging/disengaging flywheel
- Shune2001
- · Replies 5 ·
How to Calculate Building Height Using Speed of Sound and Physics Equations
- Crush1986
- · Replies 8 ·
Finding coefficient of friction by conservation of energy
- Phyba
- · Replies 8 ·
Solve Work-Energy Problem: Stone Thrown at Mango Tree
- Dumbledore211
- · Replies 3 ·
Find the centre of mass of a semi circular plate
- Neilquintal
- · Replies 2 ·
Relation b/w Electric Field Intensity and Potential Gradient
- kashan123999
- · Replies 14 ·
Thermodynamic (Solar Hot Water System) Problems?
- gfxroad
- · Replies 10 ·
Taylor Expansion/Equilibrium/Dependence of variables
- binbagsss
- · Replies 1 ·
Thermodynamics - heat, internal energy, work
- Ampere
- · Replies 2 ·
Moment of Inertia tensor - displaced axes theorem:
- binbagsss
- · Replies 1 ·
How Do You Calculate the Net Acceleration of an Elevator with Passengers?
- paolostinz
- · Replies 3 ·
Kinematics (rectilnear motion) simple
- whynot314
- · Replies 5 ·
Calculating the Electric field at a point due to a ring of charge
- Yosty22
- · Replies 5 ·
Particle spiraling in a magnetic field
- ajdin
- · Replies 10 ·
Rolling Ball and angle of incline
- frazdaz
- · Replies 14 ·
Centripetal Force of satellites
- Speedking96
- · Replies 1 ·
A-Level Physics Problem - Velocity
- elDuderino81
- · Replies 7 ·
Velocity and acceleration of point C in linked rod mechanism
- Nugso
- · Replies 16 ·
Parabolic path of ball-speed before hitting the ground
- negation
- · Replies 26 ·
The laws of motion - rock sliding on a roof
- haha1234
- · Replies 10 ·
Diffraction grating with monochromatic light vs. white light?
- AFSteph
- · Replies 15 ·
Emission from hydrogen discharge tube
- utkarshakash
- · Replies 3 ·
Sliding sleeve on a rotating bar with two springs
- andyrk
- · Replies 4 ·
Box on a Board: Finding Minimum Pulling Force
- hvthvt
- · Replies 2 ·
Solving the Integral 2x^3-2x^2+1/x^2-x-2
- kennis2
- · Replies 10 ·
Understanding Kinematics Graph Analysis
- Kyle_N22
- · Replies 2 ·
Kinematics motion-an object falling and crossing a camera's view
- negation
- · Replies 17 ·
Calculate Angular Velocity with 3 Masses and Constant ω
- user5
- · Replies 7 ·
2-Dimensional Torque problem involving two torque points.
- Ascendant78
- · Replies 4 ·
Calculating Distance Using Vector Methods
- Crush1986
- · Replies 8 ·
Shear force while bending a metal rod
- skrat
- · Replies 5 ·
Determine the angles between diffraction maxima
- null void
- · Replies 10 ·
Collision between electron and H atom
- utkarshakash
- · Replies 1 ·
Laws of motion and circular motion
- a150daysflood
- · Replies 6 ·
Help checking my Newton's laws solution
- haha1234
- · Replies 9 ·
Formation of Image when light rays meet
- andyrk
- · Replies 2 ·
Period of oscillation for rod with ball and spring
- darksyesider
- · Replies 6 ·
Finding the Maximum Speed of a Spring-Driven Ball
- omarMihilmy
- · Replies 11 ·
Nonuniform Acceleration - Radio Waves Effect on Ionosphere Electron
- Inklings
- · Replies 2 ·
Kinematics motion-setting up instantaneous velocity function
- negation
- · Replies 14 ·
Photoelectrons ejecting from Cs metal
- utkarshakash
- · Replies 10 ·
Yet more Trig. (Mine shaft angle of inclination.)
- Medgirl314
- · Replies 2 ·
Magnetism, electrical and thermal conductivity of metals
- learnphysics10
- · Replies 5 ·
What is the relationship between stress and load for a 19mm shaft?
- learnphysics10
- · Replies 11 ·
Sand pile base area with 2.4m height and 35° angle of repose
- Medgirl314
- · Replies 8 ·
How Does Bullet Collision Affect Hoop Velocity in Rotational Motion?
- coldblood
- · Replies 23 ·
Trouble with electric force question
- con31773
- · Replies 2 ·
Finding the maximum acceleration
- Saitama
- · Replies 67 ·
Kinematics motion-police's radars(answer check)
- negation
- · Replies 2 ·
How to Calculate Pressure on a Table Due to a Block of Mass 4 kg?
- tehmatriks
- · Replies 8 ·
Kinematics motion - Dancers pausing at top of their leap
- negation
- · Replies 49 ·
Friction and torque on a rotating wheel
- coldblood
- · Replies 26 ·
Pseudo Force Direction Confusion.
- binbagsss
- · Replies 14 ·
Kinematics motion-falling balloon (answer check)
- negation
- · Replies 1 ·
What is the max kinetic energy of photoelectrons from monochromatic beam?
- utkarshakash
- · Replies 5 ·
Does a scale reading equal normal force or weight in an accelerating elevator?
- davev
- · Replies 2 ·
Rotational motion problem with a wheel and string
- coldblood
- · Replies 16 ·
Tension in a pulley system with two masses
- joanhn
- · Replies 1 ·
Solve for Period of Oscillation of 2 Springs with Mass Attached
- oneplusone
- · Replies 3 ·
Rotational motion problem with a wheel and pulley system
- coldblood
- · Replies 10 ·
Expectation value for a position measurement
- SkyChaser
- · Replies 3 ·
Potential Energy: Differentiating to Find Force
- omarMihilmy
- · Replies 5 ·
Dynamics Module - Kinematics Problem
- MechEngJordan
- · Replies 8 ·
How Do You Solve This Rotational Motion Problem?
- coldblood
- · Replies 13 ·
Kinematics motion - Given position, find velocity and acceleration
- negation
- · Replies 27 ·
Find the coefficient of friction of the pushed desk
- tdotot
- · Replies 5 ·
Harmonic motion and acceleration
- Lacnez
- · Replies 4 ·
How Can Vector Analysis Improve Understanding of Mechanics Problems?
- coldblood
- · Replies 34 ·
Challenging Find maximum deceleration and speed (not max)
- mia2
- · Replies 3 ·
Power of Fire hose: a calculus approach
- Musashiaharon
- · Replies 4 ·
Why does bullet speed in spring system not depend on gravitational energy?
- STEMucator
- · Replies 32 ·
Viscosity finding the velocity at a point
- shivam01anand
- · Replies 1 ·
What Is the Maximum Load a Concrete-Filled Cast Iron Pipe Can Support?
- anthonyk2013
- · Replies 9 ·
Calculating the Dimensions of a Reinforced Concrete Column Under Stress
- anthonyk2013
- · Replies 18 ·
Temperature of gas between window panes
- Rugile
- · Replies 7 ·
How Long Does It Take to Heat Ice from -15C to 55C Water?
- TwoBelt
- · Replies 3 ·
Induced potential difference for disk spinning in magnetic field
- richyw
- · Replies 13 ·
Surface tension and capillary tube
- Rugile
- · Replies 8 ·
Velocity and acceleration problem.
- alingy1
- · Replies 10 ·
Iceskating up a Hill: Determining Height with Initial Velocity and Friction
- Gurkis
- · Replies 2 ·
Conceptual questions regarding fluid mechanics
- shivam01anand
- · Replies 1 ·
How Does Integrating mgR Relate to Force and Work in a Semicircle?
- omarMihilmy
- · Replies 6 ·
Direction of torque vector tilting a spinning top?
- Esoremada
- · Replies 4 ·
Is the Acceleration of the Sphere with Respect to the Plank Correct?
- coldblood
- · Replies 7 ·
Why isn't classical physics probabilistic in nature?
- yugeci
- · Replies 2 ·
I deriving this Maxwell relation
- Yekonaip
- · Replies 4 ·
Rolling cylinder on an inclined plane with friction
- coldblood
- · Replies 11 ·
Difference between two formulas of resistance
- Coco12
- · Replies 15 ·
How Do I Solve This Rotational Motion Problem?
- coldblood
- · Replies 2 ·
Rotational motion problem with torque and angular acceleration
- coldblood
- · Replies 7 ·
What Determines True Statements About Wheel Motion?
- gcombina
- · Replies 3 ·
Finding a sourceable dream invention for presentation
- bigu01
- · Replies 8 ·
What is the Inverse Formula for Potential?
- Coco12
- · Replies 6 ·
Finding moles of air needed to raise tire pressure from 1 to 5 atm
- Night-san
- · Replies 7 ·