Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What Angle Should an Incline Be for Zero Acceleration with Friction?
- quirty1
- · Replies 6 ·
Understanding the Relationship Between Time and Position in a Mass-Spring System
- sarah895
- · Replies 2 ·
Find period of circular disk physical pendulum
- synchronous
- · Replies 3 ·
Friction Due to Jumping w Parachute
- BandGeek13
- · Replies 8 ·
Find the temperature coefficient of metal X
- icystrike
- · Replies 3 ·
Theory questions about Newton's Laws and Gravitation
- ohsolost
- · Replies 4 ·
How Much Time Does It Take to Boil Water on a Stove with AC Power?
- runfast220
- · Replies 6 ·
What Was the Launch Angle of the Projectile?
- un0rth0d0x
- · Replies 12 ·
Solving Baseball Impulse and Force Problems
- jaron
- · Replies 3 ·
Calculating Forces and Efficiency of a Pressure Washer
- Cret
- · Replies 2 ·
How Fast Must the Cylinder Rotate to Keep Passengers from Sliding?
- jks8686
- · Replies 3 ·
Dimension of Angle: Learn LL^-1 from Course Book
- HussanAli
- · Replies 3 ·
Calculating Heat Energy for Object's Altitude Increase from 100 to 400 km
- brentwoodbc
- · Replies 12 ·
Electric Field Question (Between two plates)
- Brendanphys
- · Replies 2 ·
Conservation of Energy in a Sliding Box on an Incline
- physics hater
- · Replies 2 ·
What is the Angle Between Forces A and B?
- Procrastinate
- · Replies 2 ·
North and south celestial poles
- xX1SHOt
- · Replies 5 ·
Car Velocity: Understanding Relative Velocity and its Effects
- blessmeu2000
- · Replies 2 ·
Physics net force homework help
- FANDANGLER
- · Replies 2 ·
How Do You Convert a Vector into Cartesian Unit Vector Notation?
- aessex
- · Replies 4 ·
Which Pool Had More Heat Transferred: A or B?
- IUBritt09
- · Replies 3 ·
How Does Variable Friction Affect Object Movement on an Inclined Plane?
- introphysics
- · Replies 6 ·
Charged Ball on String: Tension and Vertical Movement Explained
- bodensee9
- · Replies 1 ·
How do I solve for the equilibrium of a cable system?
- brentwoodbc
- · Replies 7 ·
Max Horizontal Force for Two Blocks to Accelerate Without Slipping
- Patta1667
- · Replies 5 ·
Solving Acceleration of M1: Blocks and Pulleys
- Patta1667
- · Replies 9 ·
Spring constant of Achilles tendon
- tag16
- · Replies 2 ·
How Does Air Resistance Modify the Equation for Falling Objects?
- affans
- · Replies 7 ·
Calculating Spring Constant for Car Suspension | 1300 kg Vehicle Weight
- synchronous
- · Replies 2 ·
Solving Oscillation Problems with Steel Ruler Measurements
- Noiro
- · Replies 24 ·
The Internal Energy of Neon Gas
- PrideofPhilly
- · Replies 5 ·
Find Capacitance for Camera Flash Unit
- SimonZ
- · Replies 4 ·
Electron Velocity Homework: Fnd Force to Determine Speed
- jnbfive
- · Replies 12 ·
How Does Halving the Radius Affect the Period in Centripetal Acceleration?
- smillphysics
- · Replies 1 ·
Astronaut Problem: Homework Equations and Solution Attempt
- blackboy
- · Replies 13 ·
Variable Resistor/Potentiometer
- Procrastinate
- · Replies 2 ·
WEIGHT and ACCELERATION as you FALL and CLIMB UP
- sousou_88
- · Replies 3 ·
What is the magnitude of the elevators acceleration
- catmd13
- · Replies 9 ·
What is the speed and pressure of water exiting a cylindrical tunnel in a dam?
- chawkdee
- · Replies 5 ·
Calculating Time Constant for Oscillating Spring: Step-by-Step Guide
- Liketothink
- · Replies 4 ·
Projectile thrown up an incline, max distance?
- sabinscabin
- · Replies 5 ·
When Does the Wave Reach Maximum Displacement?
- kathyt.25
- · Replies 1 ·
Strength of magnetic field F = ILBsin(theta)
- zeion
- · Replies 1 ·
Physics - Vectors and 2D motion
- johnnyies
- · Replies 1 ·
Tire Pressure Gauge Reading at 44.2°C
- PrideofPhilly
- · Replies 8 ·
Calculating Current and Voltage in Series and Parallel Circuits
- jsalapide
- · Replies 4 ·
Submarine Torpedo Momentum Question: Solving for Velocity Change
- ppl k1ll3r
- · Replies 7 ·
What's the acceleration of the 2kg block?
- bodensee9
- · Replies 5 ·
Critical Angle Homework: Speed of Light in Material is 1.61x10^8 m/s
- jaron
- · Replies 2 ·
Time an object takes to oscillate
- Liketothink
- · Replies 1 ·
Rate of rotational inertia help
- jmb07
- · Replies 2 ·
Finding Phase Constant and air-track glider
- Liketothink
- · Replies 18 ·
Solving Amplitude Problem for Air Track Glider
- Liketothink
- · Replies 14 ·
Find Amplitude of Glider in Air-Track Oscillation
- Liketothink
- · Replies 9 ·
Solving a Pulley System: Find Acceleration a
- bodensee9
- · Replies 1 ·
Calculating Bullet Trajectory Distance at 30° Angle
- Robert Alan
- · Replies 14 ·
Calculating Energy Expenditure for Weight Loss Through Stair Climbing
- xX1SHOt
- · Replies 2 ·
Ampere's Law (I think). Induced current from current carrying wire
- in10s3gamer
- · Replies 12 ·
What Causes the Net Torque on a Uniform Disk?
- whitesox
- · Replies 4 ·
Calculate Volume of a Right Circular Cylinder - Cylinder Volume Help
- skandol
- · Replies 2 ·
How Does Archimedes' Principle Determine Buoyant Force?
- skandol
- · Replies 1 ·
Linear Thermal Expansion: Bridge Joints
- Warden619
- · Replies 3 ·
Equilibrium of Forces on a Spring
- alexander_i
- · Replies 3 ·
Calculating Angular Momentum: Mass, Radius, and Frequency Considerations
- jmb07
- · Replies 3 ·
Solving Friction Problem for 30.0 kg Packing Case in a 1500 kg Pickup Truck
- Amar.alchemy
- · Replies 2 ·
How Does a 90-Degree Bend Affect Pressure Drop in Pipes?
- Yogesh Kamble
- · Replies 1 ·
Understanding the Difference Between V=kq/d and W=qEd in Electric Potential
- Procrastinate
- · Replies 1 ·
How Does Friction Affect Oscillations in a Spring-Mass System?
- toastie
- · Replies 16 ·
Calculating BB Gun Muzzle Velocity Using Projectile Motion Equations
- blackboy
- · Replies 4 ·
Torque/work problem as soon as possible can anyone help?
- jmb07
- · Replies 3 ·
How Much Work Does the Wall Do to Stop a Skater?
- ash4741
- · Replies 7 ·
Force & Volume Fundamental Units
- Ki-nana18
- · Replies 3 ·
Projectile Motion Up An Incline Plane
- abhikesbhat
- · Replies 5 ·
Standing waves and maximum intensity?
- kathyt.25
- · Replies 1 ·
Two moving blocks, find small blocks final velocity
- toastie
- · Replies 1 ·
How Much Force Must a Nurse Apply to Overcome Blood Pressure Using a Syringe?
- talaroue
- · Replies 4 ·
Latent heat comparing ice to wood
- smillphysics
- · Replies 2 ·
What Is the Coefficient of Kinetic Friction Between the Box and the Dirt?
- brunettegurl
- · Replies 5 ·
Constructive and destructive wave interference
- kathyt.25
- · Replies 3 ·
What is the de Broglie wavelength of an electron accelerated by 75V?
- Brendanphys
- · Replies 2 ·
Can a Hot Wheels Car Travel 42 cm with Initial Kinetic Energy Alone?
- suekz
- · Replies 4 ·
How Do You Calculate Tension in a Pulley System on a Ramp?
- brunettegurl
- · Replies 8 ·
Mechanics quesiton. Skateboarder on ramp.
- milan.007
- · Replies 2 ·
Calculate Battery Discharge Time for Car Lights | 60 Ah Capacity
- Procrastinate
- · Replies 1 ·
Moment of Intertia, proving Parralel axis theorum. Help please.
- Starwatcher16
- · Replies 2 ·
Applying constant acceleration frame by frame
- CBridgman
- · Replies 2 ·
A Few Questions I Would Like to Endeavour to Ask
- Procrastinate
- · Replies 1 ·
Collision in two dimensions (not heads on)
- salim271
- · Replies 3 ·
What is the required force to lift oneself using movable pulleys?
- xX1SHOt
- · Replies 3 ·
Why the Hand-in-Pocket Trick for High Voltages?
- Jules18
- · Replies 2 ·
How to Calculate the Net Force on a Rectangular Loop by a Straight Wire?
- physics213
- · Replies 1 ·
Find Ice Mass to Make Water Temp 29°C
- Magicarp
- · Replies 5 ·
Solving Force and Velocity: Get Answer in 7.3m/s
- brentwoodbc
- · Replies 5 ·
How Is Work Done by a Spring Calculated?
- brunettegurl
- · Replies 10 ·
Centripetal/Cons. of Energy Problem
- Brendanphys
- · Replies 15 ·
Kinematics, work-energy, conservation, more, less?
- barrylwires
- · Replies 4 ·
How Do Nodes Function in Standing Waves with Fixed and Open Ends?
- kathyt.25
- · Replies 1 ·
Simple problem that webassign keeps saying wrong
- xX1SHOt
- · Replies 2 ·
Magnitude of Angular Acceleration
- tag16
- · Replies 1 ·
Calculating Collision Time: Astronaut's Experiment on Alien Planet
- Malgrif
- · Replies 3 ·