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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Normal modes-finding x1(t) & x2(t)
- 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 ·
Experiment Investigating Newton's 2nd Law
- Jimmy87
- · Replies 17 ·
Stopping distance after a collision down a ramp
- NZBRU
- · Replies 15 ·
Mechanical Principals Assignment Question
- Al_Pa_Cone
- · Replies 36 ·
Transfer of Momentum: Ball Speed Change?
- 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 ·
Viscosity and temperature, density is changing....
- MPZ
- · Replies 29 ·
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 ·
Question about gravity and forces acted upon
- 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 Gases - Calculating Pressure, Volume & Heat
- Timothy Schablin
- · Replies 4 ·
Angular velocity and acceleration of a plank
- Kevodaboss
- · Replies 7 ·
Solving Satellite Orbit & Eccentric Anomaly Calculations
- Cassius1n
- · Replies 7 ·
Distances where electrostatic potential is zero
- Sunbodi
- · Replies 9 ·
Finding Velocity: F=ma or KE = 0.5mv^2
- 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 ·
Question about uniform charge distribution
- 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 ·
Need help calculating number of moles
- Jordan Michaels
- · Replies 5 ·
Accelerometer data interpretation
- Cota
- · Replies 7 ·
Optimizing ROV sinking velocity using buoyancy and resistive force
- 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 ·
Impedance & complex currents & voltages
- 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 ·
Need help with collision and conservation of momentum problem
- 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 ·
Mixing Ice and Water: Final Temp & Composition
- 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 ·
Quick question about 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 ·
Solve RLC Circuit Problem Homework
- mathiscool1
- · Replies 8 ·
Investigating the Physics Behind Horizontal Damping of a Trailer
- 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 ·
Capacitor Voltage Equations: Explained
- ace8888
- · Replies 4 ·
2D kinematic problem: Tennis serve
- williamwong0402
- · Replies 14 ·
Dynamics in Motion: Solving Problems with Acceleration and Velocity Equations
- aatari
- · Replies 5 ·
[Heat and calorimeter] I can't get the correct answer
- Waffle24
- · Replies 7 ·
Vector Addition: Components with Given Directions and Magnitudes
- aatari
- · Replies 4 ·
Thermodynamics: Steam is added to an ice cube
- Const@ntine
- · Replies 16 ·
Adding Vectors: Understanding Direction and Length
- aatari
- · Replies 5 ·
Does V0 affect acceleration under constant Force?
- VinnieD
- · Replies 4 ·
When can the velocity gradient be set to zero?
- ScareCrow271828
- · Replies 7 ·
Bombardment of Nitrogen-14 with an alpha particle
- agent5514
- · Replies 2 ·
Amplitude and wavelength of longitudinal wave
- songoku
- · Replies 10 ·
What is the relationship between torque and net forces in a rotating system?
- Fibo112
- · Replies 4 ·
Force Acting on a System of connected masses
- Feodalherren
- · Replies 26 ·
Understanding the Variability of EMF in Real-Life Batteries
- Tanishq Nandan
- · Replies 3 ·
Pytels Dynamics 12.10: parabolic path, velocity, acceleration
- Alexanddros81
- · Replies 10 ·
How to find the magnitude of Force from an A vs Mass Graph
- Eram Ahmed
- · Replies 6 ·
How Does Refraction Affect the Visibility of a Fish Inside a Spherical Bowl?
- kent davidge
- · Replies 23 ·