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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Finding kinetic energy and speed in beta decay with mass defect
- roy5995
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How to Calculate Volume and Weight of Air in an Auditorium
- svtec
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Equilibrium: What Must Be True?
- badboyben03
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How Do You Convert 2.36 eV to Joules of Work?
- roy5995
- · Replies 2 ·
Proof dealing w/ Simple Harmonic Oscillations
- nix
- · Replies 4 ·
How Long for a Glacier to Move 0.74 km?
- licia589
- · Replies 3 ·
What is the formula for calculating displacement?
- licia589
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How Far Will Waves Travel from Dual Point Sources in Water?
- roy5995
- · Replies 2 ·
Bycicle riding - What power is required at the pedals
- Genesis
- · Replies 2 ·
How do the readings of spring and compression balances change with upthrust?
- Johnny Leong
- · Replies 2 ·
How Far Does Light Travel in Nine Hours?
- licia589
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Sally's Trip: Find Total D., Avg. Speed in km
- licia589
- · Replies 5 ·
Proving Distance Traveled With Formula
- JDK
- · Replies 6 ·
How Do I Calculate the Final Resting Position of a Rolling Billiard Ball?
- mickg77
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How can I integrate and find the moment of inertia for a circle?
- ShawnD
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Which Statements About Mass & Weight are True?
- badboyben03
- · Replies 4 ·
Best Wood for Constructing Heavy-Weight Apparatus
- fffbone
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When does a motorcycle 25 m behind overtake a car?
- JDK
- · Replies 4 ·
How to Prove Diagonals Bisect in a Parallelogram
- tinfoilhat
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What Magnification Level Do I Need to Study Spermatzoa?
- Tweek
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How to Calculate Potential Difference in Various Charge Configurations?
- mustang
- · Replies 6 ·
Speed of 24.5N brick sliding down 30° frictionless incline
- DarkAnt
- · Replies 6 ·
Friction and deceleration: 400g object sliding on desktop
- PurposeDriven
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Find the potential and kinetic energy of the box
- Houyhnhnm
- · Replies 7 ·
Critical points outside the domain of a function
- roy5995
- · Replies 8 ·
When to use normal distribution tables vs percentage points tables?
- repugno
- · Replies 2 ·
A wave in two different strings
- hhegab
- · Replies 7 ·
Freezing time, stirring coffee, thermoses and cooling in vacuum
- franz32
- · Replies 2 ·
Distance Problem Find Distance Between Alpha Particles
- mustang
- · Replies 3 ·
Solving the Average Force Problem for a Parachuter Hitting the Beach
- Forgo
- · Replies 6 ·
Finding tension in horizontal string with two hanging masses
- Juntao
- · Replies 3 ·
Collecting air samples to test for primary pollutants.
- Binary Star
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Parallel circuits and other questions.
- Yaqout
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Trig Limit: Solving the Limit of sin 5x/sin 3x at x=0
- tandoorichicken
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How Do You Derive the Equation for Drag?
- exequor
- · Replies 4 ·
Why is my area between y=x and y=x² negative?
- tandoorichicken
- · Replies 3 ·
What do the symbols in da/dN=A(^K)m represent in material fatigue and stress?
- Ashley
- · Replies 4 ·
Accelerating with gravity equation
- Cr4X
- · Replies 4 ·
Stable and Unstable Equilibriums in a Spring-Mass System on a Loop
- yxgao
- · Replies 2 ·
Plane landing on a barge with friction
- PiRsq
- · Replies 4 ·
Equilibrium of a string with one end on a frictionless pole
- yxgao
- · Replies 3 ·
What makes a trajectory (orbit) bound?
- yxgao
- · Replies 5 ·
How to calculate vertical velocity
- mort
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Calculating Tension and Acceleration in a Rotating System
- bard
- · Replies 2 ·
How Can We Calculate Artificial Gravity for Space Stations?
- TSBasilisk
- · Replies 2 ·
How Do You Integrate Functions Involving Powers and Trigonometric Terms?
- Blade
- · Replies 2 ·
What is the task for AS physics sensing coursework?
- j.e.smith
- · Replies 2 ·
Finding sin(A+B) given cos A=1/3 and sin B=1/4
- majinknight
- · Replies 2 ·
Trigonometric Functions Graphing
- majinknight
- · Replies 2 ·
Trigonometric Functions- Grade 11
- majinknight
- · Replies 5 ·
Balancing Forces in a Towing Scenario
- craptacular
- · Replies 8 ·
Why Does Rutherford Scattering Calculated Value Differ from the Book?
- Beer-monster
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Two electrodes dipped in a solution of sulphuric acid
- qim
- · Replies 4 ·
Calculating Cable Length and Stretch for Uniform Iron Beam in Static Equilibrium
- Juntao
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How does mass and air resistance affect acceleration in free fall?
- celect
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Projectile motion in kinematics
- Lightening Lover
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How Do Micrometers Compare to Nanometers in Size?
- roy5995
- · Replies 2 ·
Resistance of pencil lead with given resistivity and dimensions
- qim
- · Replies 3 ·
Solving a Simple Physics Question: Mass of Bridge Needed to Find Rope Tension
- jazzchan
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Speed and Velocity, the Identical Twins
- Raiden
- · Replies 2 ·
Calculate the current being drawn from a battery
- qim
- · Replies 5 ·
Minimum speed for a geosynchronous orbit
- PiRsq
- · Replies 21 ·
Does weight distribution affect toy car acceleration?
- carcar2
- · Replies 2 ·
What does liquid helium look like?
- Mk
- · Replies 2 ·
Understanding the Forces and Effects of Motion: Balloon Experiment Explained"
- Johnny Leong
- · Replies 3 ·
How to Solve Acceleration Problems
- Morgan
- · Replies 3 ·
Physics topics to cover in a grade 11 bicycle project
- Genesis
- · Replies 3 ·
What Is the Minimum Speed Needed for a Particle to Stay on a Rippled Surface?
- yxgao
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Can you assume that Jupiter has a circular orbit?
- yxgao
- · Replies 2 ·
Radius When Area of Expanding Circle Doubles
- tandoorichicken
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Why use a burette instead of a measuring cylinder
- ruby_duby
- · Replies 2 ·
Moment question from a test paper
- Miyu
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What Are the Kinematics Questions?
- Miyu
- · Replies 3 ·
How Do You Calculate the Force of Friction on a Curling Rock?
- I_BeLeaf87
- · Replies 6 ·
What is the Taylor Series Method for Evaluating Infinite Series?
- yxgao
- · Replies 11 ·
Region of convergence for sum of (x+2y)^k/k and which tests apply
- yxgao
- · Replies 2 ·
How to Correctly Calculate Velocity in a Two-Dimensional Elastic Collision?
- PiRsq
- · Replies 5 ·
Understanding Physics Concepts: Teach & Explain
- ScoutFCM
- · Replies 2 ·
How would swimming physics change on the moon with lower gravity?
- Borzorp
- · Replies 21 ·
How long does the object take to reach the ground
- Johnny Leong
- · Replies 3 ·
MINIMUM force that a technician must exert on this wrench to deliver this torque
- physicszman
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Solving Limits with Functions: \lim_{t\rightarrow k}
- tandoorichicken
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Space shuttle acceleration, G-forces, weight and air friction calculations
- EK03
- · Replies 2 ·
How Does Friction Affect Block Acceleration on Different Surfaces?
- Soaring Crane
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How Is the Period of a Hohmann Transfer Orbit Calculated?
- tandoorichicken
- · Replies 2 ·
Circuit elements and connections
- franz32
- · Replies 6 ·
What are some examples of Newton's third law in action?
- MiniTank
- · Replies 23 ·
Wheels and Crazy Spinning Things
- dazedandconfused
- · Replies 2 ·
Translational/gravitational/elastic/total energy problem
- Rival
- · Replies 2 ·
Calculating Average Distance Between Bright Fringes in a Double-Slit Experiment
- roy5995
- · Replies 4 ·
How Does Density Affect Calculations in Thermodynamics Problems?
- Blade
- · Replies 2 ·
Physics paper on the conservation of energy
- Alethia
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Can Spring Physics Predict Collision Outcomes?
- etan
- · Replies 2 ·
Relating distance fallen to horizontal distance in projectile motion
- Physicsisfun2005
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What is the Value of k if the Remainder of p(x) Divided by x-1 is 12?
- tandoorichicken
- · Replies 2 ·
Forces, magnitude, and velocity
- moonlit
- · Replies 2 ·
Dual Pulley Problem: Acceleration of 10kg Mass
- Boltak
- · Replies 2 ·
How voltage affects electromagnet field strength and power
- Emmsey Square
- · Replies 3 ·
Creative Ways to Extinguish a Candle: A Fun Challenge for All Ages
- mustang
- · Replies 5 ·