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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Resultant linear acceleration on a decelerating flywheel at a point 0.5 s before rest
- paul9619
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Frictionless Bank: Normal Force vs. Weight
- Rawr
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At what angle must you point the jet ski if your velocity relative
- i2hckynut18
- · Replies 6 ·
Determining angle and ratio in 2d motion
- parwana
- · Replies 11 ·
Vector 2D Problem: Solve for Horizontal Range & Time in Motion
- arizona_cards_11
- · Replies 2 ·
Jet velocity in wind and boat crossing a river
- wtf_albino
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What is the tension in the string for a frictionless pulley-incline system?
- physics1234
- · Replies 7 ·
What Is the Initial Velocity of a Body Thrown Up on a Slope?
- siddharthmishra19
- · Replies 3 ·
How Can a Pelican's Dropped Fish Illustrate Physics Principles?
- Gyros222
- · Replies 7 ·
Understanding Standing Wave Sign Conventions
- AmandaWoohoo
- · Replies 1 ·
How Does a Positive Charge Affect Magnetic Field Components?
- Alt+F4
- · Replies 15 ·
Finding velocity of a rolling ball leaving a 1m ramp in 2.04s
- phantomcow2
- · Replies 13 ·
Electric fields and acceleration
- eltel2910
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How Long Does It Take Two Accelerating Objects to Meet in Space?
- TR0JAN
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How many digits to use in calculations.
- Checkfate
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Projectile Motion trajectory Problem
- mst3kjunkie
- · Replies 2 ·
Pressure and displacement amplitudes
- Kaisean
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Finding acceleration from two forces at 45 degrees
- ersc13
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Finding magnitude and direction of net force from acceleration vector
- ersc13
- · Replies 1 ·
Escape Speed and Atmospheric Temperatures of Planets: Calculations and Analysis
- zferic28
- · Replies 1 ·
Snowball rolling off a sloped barn roof — does it hit a man?
- ZenithFaculty
- · Replies 3 ·
Why does a dropped apple appear to fall in a curve to someone outside a moving bus?
- krazykaci
- · Replies 1 ·
How Does Relative Motion Affect Navigation Strategy in Maritime Pathfinding?
- j_tang72
- · Replies 1 ·
Kinematics and free falling objects
- lemurs
- · Replies 1 ·
Accelerating shopping cart from rest
- youxcrushxme
- · Replies 8 ·
Molecular Speeds in a Laboratory Apparatus
- zferic28
- · Replies 1 ·
Calculating Boat Speed Relative to Shore Observer in 2-D Motion
- krazykaci
- · Replies 1 ·
Find the radius of a geo-stationary satellite
- Kolahal Bhattacharya
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Velocity and acceleration of a train
- honey1060
- · Replies 5 ·
Deriving Formula to Solve Least Force Needed for Board Against Wall
- caseys
- · Replies 2 ·
Apparent weight of a solid immersed in liquid
- gautam_physics
- · Replies 9 ·
Help! Physics Problem has me Stumped!
- phantomcow2
- · Replies 5 ·
Centripetal and friction forces in circular motion problems
- dnt
- · Replies 6 ·
Is There a Friction Force on Block 1 in a Three-Mass Pulley System?
- nightflarer
- · Replies 3 ·
Salmon jumping a waterfall with water at 1.75 m/s
- parwana
- · Replies 1 ·
Newtonian mechanics, incline, acceleration FUN
- neesh
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What mathematical calculations are involved in designing a spacesuit?
- Fittler
- · Replies 1 ·
Completed Physics Experiments at College Level
- ludadon
- · Replies 2 ·
Finding cannon range with ricochet and energy loss
- jgerco
- · Replies 1 ·
What Is the Minimum Speed Required for a Swimmer to Jump Over a Ledge?
- britrich
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What is the average force exerted by a punter on a football in Newton's Law?
- BunDa4Th
- · Replies 2 ·
Calculating Projectile Motion for Water Balloon Launch
- yaho8888
- · Replies 6 ·
How Can I Design a Successful Egg Drop Project Using Only Paper and Tape?
- Deadman64
- · Replies 2 ·
Kinematics simultaneous motion problem
- physstudent1
- · Replies 2 ·
When will the fast runner overtake the slower runner on a circular 200-m track?
- donald1403
- · Replies 1 ·
Argon atom ionized by removing 2 electrons
- Flave
- · Replies 5 ·
Maximum static friction force and acceleration for a 35 kg crate
- cyks07
- · Replies 1 ·
Kinetic friction, dragging a box
- dudeman
- · Replies 4 ·
Shear Stress Due to Angular Deceleration
- Hobbledehoy53
- · Replies 1 ·
How Do You Calculate the Initial Velocity of a Car Skidding Up an Incline?
- PascalPanther
- · Replies 5 ·
What is the distance at which the bobsled will come to a halt?
- mikefitz
- · Replies 3 ·
Solving Logarithmic Equation: Log(x)=2Log(1-a)+2Log(1+a)-Log[(1/a)-a]^2
- QuantumKing
- · Replies 3 ·
Finding acceleration when pushing a rock upward on another planet
- youxcrushxme
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How much work was done by the tension in the cable?
- brncsfns5621
- · Replies 3 ·
Calculating Skydiver Terminal Speed: A Drag Problem Solved
- vau
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Finding tree height from distance and angle of elevation
- bengaltiger14
- · Replies 2 ·
Newton's second and third law questions
- hatingphysics
- · Replies 3 ·
2.0 kg wood block launched up a 30° ramp with friction
- bobbarkernar
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Difficult relative velocity question involving boats
- carrbaseball
- · Replies 4 ·
Calculate Initial Bullet Speed in SHM with Block-Spring System
- lando45
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Limiting angle of resolution question
- glid02
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Acceleration of a point on an accelerating rolling wheel
- thenewbosco
- · Replies 1 ·
How Do You Calculate Current in a Hydrogen Discharge Tube?
- nateastle
- · Replies 1 ·
How can the final speed of books sliding on a ramp be calculated?
- huh
- · Replies 1 ·
Bird watcher displacement, car off cliff, and dropped fish velocity problems
- FaDi
- · Replies 3 ·
A 2.0 kg wood block is launched up a wooden ramp
- bobbarkernar
- · Replies 1 ·
Why Is the Tension Different in Each Rope of an Accelerating Elevator?
- starfish794
- · Replies 1 ·
Friction coefficient and forces
- rkslperez04
- · Replies 3 ·
There's a question of dimension
- dreamsfly
- · Replies 2 ·
Online Course Work Question - Dynamics
- RoyalewithCh33s3
- · Replies 6 ·
Dynamics Problem in two dimensions
- mst3kjunkie
- · Replies 2 ·
Distance & Direction City A to City C - Vector Question HELP
- parwana
- · Replies 17 ·
How far is the hurricane from an island
- elitespart
- · Replies 6 ·
Calculating Theoretical Y Position of a Ping Pong Ball with Air Resistance
- mikefitz
- · Replies 2 ·
What if Newton and Einstein had a conversation about the twin paradox?
- Xkaliber
- · Replies 3 ·
Frames of reference and relative velocity
- paultt
- · Replies 1 ·
Finding distance and velocity vectors
- kbowman
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Normal force on an inclined plane
- mbrmbrg
- · Replies 2 ·
Acceleration and velocity involving calculus
- needhelp83
- · Replies 5 ·
Total displacement of sail boat
- needhelp83
- · Replies 11 ·
Car and bicycle acceleration: when is the bike ahead?
- parwana
- · Replies 8 ·
Calculate Coefficient of Kinetic Friction
- sweetdaisy186
- · Replies 5 ·
2 Qn regarding Optics and Pressure
- sdapin
- · Replies 9 ·
Why Does the Pellet Gun Calculation Seem Incorrect?
- mmiller39
- · Replies 9 ·
Locomotive tractive effort and draw-bar pull between cars
- paul9619
- · Replies 4 ·
One more Vector problem and we are good to go
- junior_J
- · Replies 4 ·
Calculate Minimum Time of Sliding for Block on Wedge with Given Parameters
- mail_abhijit2006
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Why is the x-component of force negative in this problem?
- Alt+F4
- · Replies 34 ·
Weight suspended on three strings
- gnehus
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Transposition of formula(inductance)
- NUMB_NUTS
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Dynamic forces with radial acceleration
- trajan22
- · Replies 4 ·
Calculating Velocity: Impact of Doubling Pitcher's Force on Baseball's Speed"
- naijaokey
- · Replies 4 ·
How Long Does Tara Have Before She Crashes?
- thehatchetmen
- · Replies 3 ·
Understanding Junction Rule: Slide 10 Explanation
- Alt+F4
- · Replies 1 ·
Karate master striking a board: force from mass, velocity change, and contact time
- jjg242
- · Replies 4 ·
Work-Energy Theorem calculations
- Soaring Crane
- · Replies 3 ·
Solving the Watermelon Drop Physics Problem: Step-by-Step Guide
- Alanf718
- · Replies 3 ·
Average Speed vs. Average velocity
- caprija
- · Replies 41 ·
What Angle Should a Curve Be Banked to Allow Safe Travel Without Friction?
- mikefitz
- · Replies 7 ·
Lovers Reunited: Calculating Time Apart
- Shane_K
- · Replies 1 ·