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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Calculate Takeoff Speed and Jump Length Increase for Long Jump
- txbigrich
- · Replies 5 ·
Uniform circular acceleration and direction
- anubis01
- · Replies 4 ·
Goldfish viewing cat through spherical fishbowl
- bcjochim07
- · Replies 1 ·
Parallel-plate capacitor with 2.50 cm² plates and 1.00 mm separation
- omarxfa2
- · Replies 2 ·
How Do You Calculate the X-Coordinate of a Particle in Circular Motion?
- Cate
- · Replies 9 ·
Finding original speed / acceleration
- mrserv0n
- · Replies 5 ·
How Do You Calculate the Area of a Submarine Window from Its Diameter?
- zuN
- · Replies 4 ·
Kinematics - How do I apply them to different problems?
- 07triumphd675
- · Replies 4 ·
Trouble calculating the acceleration
- ERAUin08
- · Replies 1 ·
What is the relative velocity of a person running on a ship to the shore?
- veronicak5678
- · Replies 6 ·
How Long Can You Avoid a Collision with an Accelerating Dragster?
- aleferesco
- · Replies 12 ·
Which Happens First: Water Spills or Bottom Exposed in a Cylindrical Centrifuge?
- Doogan1
- · Replies 2 ·
Which statements about orbitals are false
- a.a
- · Replies 1 ·
The Number of Electrons in the l = 2 Subshell for a 35-electron Atom
- a.a
- · Replies 6 ·
Answer: Calculate Average Power Output for 600 kg Top Fuel Drag Racer
- lpcampbe
- · Replies 2 ·
Calculating Horizontal Distance and Time for a Package Ejected from a Plane
- tater08
- · Replies 3 ·
What Angle Does the String Make with the Vertical While Accelerating?
- ldbaseball16
- · Replies 5 ·
Two sleds on a frictionless incline meet at the bottom
- Thoven
- · Replies 3 ·
When are the red and blue cars side-by-side?
- Youngstabullz
- · Replies 5 ·
How Do I Calculate Pressure Changes in a Linear Spring System?
- Saladsamurai
- · Replies 6 ·
Object dropped from accelerating elevator hits ground after 4.5 seconds
- joeth04
- · Replies 7 ·
P-V Diagram: Computing Work and Determining Sign of Work
- Saladsamurai
- · Replies 2 ·
Magnitude + direction of block on an incline
- jspek9
- · Replies 1 ·
Electric Field Calculation for Three Charges on a Horizontal Line
- jaejoon89
- · Replies 2 ·
Calculation of Velocity in reference to circular motion
- Kdoll1
- · Replies 1 ·
Find potential energy of system with 3 charges
- mbmcgee
- · Replies 7 ·
Finding the ratio Fa/Fb from two acceleration scenarios
- Nivlac2425
- · Replies 3 ·
How Much Light Intensity Is Needed to Suspend a Sheet of Paper?
- lunus
- · Replies 3 ·
Can Trigonometry Prove a Dart Always Hits Its Target?
- LANS
- · Replies 1 ·
Horizontal and vertical velocity components in projectile motion
- Npila1
- · Replies 4 ·
Estimate Earth's Radius Using Sun's Disappearance Time
- crazyforfood
- · Replies 2 ·
How Far Away Was the Earthquake if S Waves Arrived 2 Minutes After P Waves?
- Foxhound101
- · Replies 9 ·
Bullet penetrating wood block at 535 m/s
- kmikias
- · Replies 1 ·
Point Charges and Force vector addition
- beccaka2003
- · Replies 7 ·
Dive-bomber projectile motion problem
- jessedevin
- · Replies 24 ·
Centripetal Force (Loop the Loop)
- Kajayacht
- · Replies 1 ·
Is My Calculation for Astronaut's Centripetal Acceleration Correct?
- BeckyStar678
- · Replies 1 ·
Simple Vector Difference Question
- CoolMan
- · Replies 1 ·
How dose an angle of an object effect it's distance/
- katie<3
- · Replies 12 ·
Find the Distance and Sign of Charge Q for F1 = F2
- Kathi201
- · Replies 3 ·
Calculating Relative Motion and Vectors for Moving Cars
- southernbelle
- · Replies 6 ·
How many electrons emerge per second?
- Ithryndil
- · Replies 2 ·
Converting weight from lbf to lbm for drag and rolling resistance power calculation
- Saladsamurai
- · Replies 1 ·
Moon camera drop, stone launched by slingshot, ball on string angle
- Kaze105
- · Replies 6 ·
Rotational Equilibrium Lab Question
- CLeSure
- · Replies 3 ·
Magnitude of Normal Force (Frictionless)
- Spartan Erik
- · Replies 6 ·
Painting hung by a wire suported by two nails
- SteveM-
- · Replies 2 ·
Kinetic Friction Problem (Truck Braking)
- Spartan Erik
- · Replies 11 ·
Getting the average velocity from a parabolic curve
- theLHC
- · Replies 4 ·
Does Flying Across Australia Affect Your Age?
- fredrick08
- · Replies 2 ·
Position of object above the ground.
- Jacobpm64
- · Replies 3 ·
50N block with 20N force: does it overcome static friction?
- Spartan Erik
- · Replies 6 ·
Projectile Motion with acceleration phase
- ionic_scream
- · Replies 3 ·
Calculating Distance for Throwing an Egg from a Building
- veronicak5678
- · Replies 4 ·
What Is the Coefficient of Kinetic Friction in This Physics Problem?
- Spartan Erik
- · Replies 1 ·
Projectile Motion Horizontal Displacement Equation
- ArbazAlam
- · Replies 2 ·
Calculate the car's average acceleration
- Sevenheartz
- · Replies 3 ·
Projectile Motion: Finding Time to Change Angle from 31° to 21°
- randomguy123
- · Replies 2 ·
Baseball projectile motion over a wall
- ut4ever8
- · Replies 7 ·
Juggling: finding ball flight time, throw speed and height
- joeth04
- · Replies 3 ·
Farday's Disc - Diameter of Disc
- tpoulter
- · Replies 2 ·
Rocket sled deceleration: finding acceleration and distance
- science_rules
- · Replies 9 ·
How Do You Calculate Total Vector Displacement and Average Velocity?
- -EquinoX-
- · Replies 4 ·
Electric fields, distance, and potential difference
- goWlfpack
- · Replies 4 ·
What is the time taken for these 2 cars to meet?
- nyrychvantel
- · Replies 2 ·
What Happens to Torque as the Wrench Lowers?
- epheterson
- · Replies 3 ·
Calculating Magnitude of Force F2 on Mass M
- BrettL789123
- · Replies 2 ·
What Are the Correct Base Units for Electric Field?
- Kathi201
- · Replies 1 ·
Force on a 0.2 kg block with 1N applied force and 40° angle
- dsptl
- · Replies 1 ·
Dropped Tennis Ball: Solving for Speed and Force
- jspek9
- · Replies 4 ·
Projectile Motion: Throwing a Package to Reach a 2nd Story Window
- shwanky
- · Replies 1 ·
How Does an Electron Behave Near a Nucleus?
- ncm2
- · Replies 1 ·
Finding Efficiency from a P-V Graph
- yossup
- · Replies 2 ·
Radiation Dosage: Proving 1 Gray = 100 Rads
- markm51
- · Replies 4 ·
What Happens to the Velocities in a Frictionless Curved Surface System?
- Nikhil Kumar
- · Replies 6 ·
Finding Work Done by a Force on a Particle Along a Triangular Path
- S[e^x]=f(u)^n
- · Replies 2 ·
Three forces, one graph, one crazy problem
- Phoenixtears
- · Replies 1 ·
Why Does W(sub ab) = 0 and W(sub bc) = 4 in Dynamics?
- giant016
- · Replies 1 ·
Finding Relations for Net Force with Two Exerted Forces at 150 Degrees Angle
- Nanoath
- · Replies 1 ·
Cars, Ropes, Forces and Bisecting Angles
- Phoenixtears
- · Replies 2 ·
How do I calculate internal resistance with current, voltage and external resistance?
- nslinker
- · Replies 3 ·
Calculating Acceleration Change: Oil Drop in Electric Field | F=ma and F_e=qE
- jaejoon89
- · Replies 2 ·
Electric Potential: Find Potential Everywhere from Two Point Charges
- Crazy Gnome
- · Replies 1 ·
How to Calculate Battery Voltage from Resistor Power Dissipation?
- crh
- · Replies 3 ·
Diffraction Minima: Should I Use p or p+0.5 in the Equation?
- bcjochim07
- · Replies 5 ·
A fun new circular motion question
- Garen
- · Replies 7 ·
Thermal Processes: Determine T3
- yossup
- · Replies 5 ·
Projectile Motion of launched ball
- solarwind
- · Replies 17 ·
Two people pushing off each other
- azure kitsune
- · Replies 2 ·
Calculating Speed of a Fishing Boat in a River
- missie
- · Replies 5 ·
What is your velocity relative to the bus?
- missie
- · Replies 9 ·
How much Plutonium 239 will remain after 20,000 years?
- yoleven
- · Replies 5 ·
Energy requirements between orbitals
- ChiliPanda
- · Replies 2 ·
How Do You Calculate Total Energy Stored in a Circuit System?
- goWlfpack
- · Replies 5 ·
Projectile Motion Question: Football Kicker's Goal Post Dilemma
- Strik3r
- · Replies 1 ·
How Is Torque Generated by an Electric Field on a Charged Rod?
- nckaytee
- · Replies 1 ·
Solve the Golf Ball Problem: Time and Speed Calculations | 2-D Homework
- vietmon
- · Replies 1 ·
Projectile Motion, With out numbers
- hockeyboy
- · Replies 3 ·
Solving Universal Gravity Questions: Speed of Earth, Pallas' Orbit
- hoooossein
- · Replies 1 ·