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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Newton's laws of motion -- pulley system
- Vv anand
- · Replies 14 ·
PV Diagram of Ideal Monatomic Gas Processes
- chopnhack
- · Replies 4 ·
Calculating Post-Collision Momentum and Speed of Two Balls
- ShaddollDa9u
- · Replies 7 ·
Newton's laws of motion -- finding the velocity of a Block in a pulley system
- Vv anand
- · Replies 27 ·
Doppler Effect: Velocity of a train
- Granger
- · Replies 4 ·
Car oscillating on sinusoidal road: finding velocity at maximum amplitude
- Granger
- · Replies 11 ·
Force required to immerse a wooden cube
- Jahnavi
- · Replies 1 ·
Newton's laws of motion -- Constaint motion
- Vv anand
- · Replies 13 ·
Cable tensions with 50 kg weight at 55° and 35°
- Unicow
- · Replies 3 ·
What is the Power of Sound Waves in a Tube Filled with Helium Gas?
- Baritone
- · Replies 5 ·
Bullet hitting a bird 100m away at 500m/s initial speed
- donaldparida
- · Replies 9 ·
Capacitors in series or in parallel? - calculating CR
- nwmyname
- · Replies 8 ·
Ball rolling on flat surface vs inclined surface velocity
- Renue
- · Replies 7 ·
Acceleration of object A in a two-pulley system with equal masses
- Asad Raza
- · Replies 10 ·
Understanding Tension Forces in a Slowly Rising System
- deuce123
- · Replies 1 ·
Normal modes: finding initial conditions for coupled oscillators
- gimak
- · Replies 2 ·
How High Does the Oil Drum Rise on the Sloping Plank?
- Jahnavi
- · Replies 3 ·
Rotating disc in a rotating magnetic field
- anonyaway
- · Replies 8 ·
Why does method 1 give much larger mass errors in Newton's 2nd law experiment?
- Jimmy87
- · Replies 17 ·
Stopping distance after a collision down a ramp
- NZBRU
- · Replies 15 ·
5kN compressive force on component with circular and square sections
- Al_Pa_Cone
- · Replies 36 ·
Does a ball's speed change after it leaves the hand when thrown horizontally?
- nilic1
- · Replies 13 ·
Understanding Drag Force against a non-linear Force
- Kiwigami
- · Replies 10 ·
Is My Solution for a Simply Supported Beam Correct?
- AutumnBeds
- · Replies 1 ·
Circular wire with ball and spring problem
- Victoria_235
- · Replies 6 ·
What's the shortest length here?
- Asad Raza
- · Replies 9 ·
Complex Capacitor Circuit (for me)
- FJay
- · Replies 2 ·
Inelastic collision: block moving down a frictionless ramp
- Ly444999
- · Replies 4 ·
Why Does Object A Reach the Bottom First in a Rigid Body Dynamics Experiment?
- letoiledemer
- · Replies 11 ·
How Does Force Location Affect Center-of-Mass Acceleration?
- Kevodaboss
- · Replies 8 ·
Why does an object on Earth push up if gravity pushes down?
- deuce123
- · Replies 5 ·
Impedances in a 5 element circuit
- gimak
- · Replies 5 ·
Group of particles in a magnetic field
- fishturtle1
- · Replies 2 ·
Find time given a force with respect to displacement
- Kiwigami
- · Replies 12 ·
Work done by gas with constant pressure and changing volume
- Timothy Schablin
- · Replies 4 ·
Angular velocity and acceleration of a plank
- Kevodaboss
- · Replies 7 ·
Finding satellite period from orbital formulas and computing time of periapse passage
- Cassius1n
- · Replies 7 ·
Distances where electrostatic potential is zero
- Sunbodi
- · Replies 9 ·
Why do F=ma and work-energy method give different velocities?
- Kiwigami
- · Replies 6 ·
Rod Falling under gravity hits straight edge
- decerto
- · Replies 14 ·
Calculating Electric Field Using Gauss's Law for a Spherical Charge Distribution
- Chemmjr18
- · Replies 4 ·
Classical mechanics differential equation F(x) = -kx
- Salvador_
- · Replies 24 ·
Direction of magnetic field and moving particle
- fishturtle1
- · Replies 10 ·
Electric field from uniformly charged wire at perpendicular height r
- Chemmjr18
- · Replies 6 ·
Finding the Original Charge Given Force
- Stephanie Hernandez
- · Replies 3 ·
Finding the average energy in an RLC circuit
- gimak
- · Replies 9 ·
Air resistnce in projectile motion decreasing time of flight
- Elena14
- · Replies 1 ·
Moles and molecules in a rising bubble
- Jordan Michaels
- · Replies 5 ·
Accelerometer data interpretation
- Cota
- · Replies 7 ·
ROV sinking at constant velocity with buoyancy and drag
- vincekillics
- · Replies 9 ·
Magnetic Forces on objects in nonuniform fields
- Astronaut
- · Replies 3 ·
Thermodynamics cycle work question
- Vitalius6189
- · Replies 7 ·
Solving 2 Rotating Discs Homework: Angular Velocities
- person123
- · Replies 32 ·
Complex power calculation with AC impedance
- gimak
- · Replies 4 ·
What is the formula for tension at various angles in a constrained mass system?
- e2m2a
- · Replies 5 ·
Find the gear ratio for maximum angular acceleration
- fahraynk
- · Replies 28 ·
Two blocks colliding head-on: finding final speed of 2m block
- Richardparker800
- · Replies 7 ·
Why is the electric field inside the dielectric cancelling?
- Abhishek Das
- · Replies 2 ·
Calculating Water Force and Moment in a Fresh Water Storage Tank
- AutumnBeds
- · Replies 12 ·
Ice and water mixing: will all the ice melt?
- Jahnavi
- · Replies 1 ·
How Much Steam Is Needed to Heat Water from 24°C to 90°C?
- Jahnavi
- · Replies 1 ·
Calculating Equilibrium Temperature of Ice and Water Mixture
- Jahnavi
- · Replies 1 ·
Capacitance between a wire and a plane
- Kelly Lin
- · Replies 6 ·
How to Calculate the Electric Field at the Origin from a Uniformly Charged Rod?
- J6204
- · Replies 3 ·
Magnetic field from a wire at a point
- Decimal
- · Replies 14 ·
Not sure if this approach is correct for ball falling past a window
- deuce123
- · Replies 10 ·
Problem with torque, angular momentum and forces
- Granger
- · Replies 11 ·
Addition of Angular Momentum for identical particles
- Gabriel Maia
- · Replies 1 ·
Different EMFs joined in parallel
- Tanishq Nandan
- · Replies 5 ·
Show that the motion is simple harmonic
- Nemo's
- · Replies 8 ·
Find electric Field at a point A
- FJay
- · Replies 4 ·
Find the angle between this vector and the coordinate axes
- donaldparida
- · Replies 16 ·
Condition for He and Kr mixture to behave as a perfect gas
- criticalPoint
- · Replies 3 ·
How to find the radii of these 2 circles given 2 known points
- Helly123
- · Replies 7 ·
Max Drum Rotate Speed of a Concrete Mixer Drum
- PFuser1232
- · Replies 9 ·
How Does a Capacitor Charge to Negative Voltage in an RC Circuit?
- ace8888
- · Replies 20 ·
Calculating Net Heat Flow for an Aluminum Disk in a Room
- lonelypancreas
- · Replies 3 ·
Forces, 3 masses, 2 by Tension, constant A
- Albertgauss
- · Replies 12 ·
Error Analysis of wall thickness
- Nikhil Rajagopalan
- · Replies 4 ·
How does the gradient of the graph compare to the W force
- Orm25
- · Replies 3 ·
Calculating angular frequency and velocity after a collision
- Fibo112
- · Replies 10 ·
Time varying resistance in circuits
- Tanishq Nandan
- · Replies 1 ·
What is the correct angle between two vectors?
- Jamison Lahman
- · Replies 3 ·
Have a problem with this Rotational Motion question
- Shuo Xue
- · Replies 5 ·
Undamped Harmonic Motion of a rod
- Feodalherren
- · Replies 34 ·
Can Elastic Potential Energy Ever Be Negative?
- Joseph Phan
- · Replies 1 ·
Frictional Forces on a Wooden Crate with External Forces
- braydon
- · Replies 1 ·
Electric Field of Linear Charge along a Line Segment
- phy6
- · Replies 2 ·
RLC circuit with capacitor charge and resistor voltage
- mathiscool1
- · Replies 8 ·
How does weight distribution affect trailer oscillation patterns?
- Leoo0000
- · Replies 1 ·
Pytels Dynamics 12.18: Rocket dynamics
- Alexanddros81
- · Replies 4 ·
Physical interpretation of free body force diagram
- sassora
- · Replies 13 ·
Electric field of two plates separated by a spacial charge.
- Decimal
- · Replies 1 ·
Pytels Dynamics 12.14: particle moves on helix
- Alexanddros81
- · Replies 3 ·
Tractive Force = 3554 N"Racing Car Acceleration: Find the Tractive Force
- AutumnBeds
- · Replies 3 ·
Mutual Inductance of two coaxial coils
- razidan
- · Replies 10 ·
Two different RC circuit voltage equations
- ace8888
- · Replies 4 ·
Tennis serve angle to clear the net at 170 km/h
- williamwong0402
- · Replies 14 ·