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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When and where do two balls collide if one is thrown horizontally and one drops?
- physics2004
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Why Is Magnetism So Challenging to Understand in Physics Problems?
- ph0bolus
- · Replies 8 ·
What is the electric field problem involving two point charges?
- Ryo124
- · Replies 3 ·
Gravity Strength: Moon vs Earth Ratio of Height Reached
- physstudent1
- · Replies 3 ·
Forces on Particles: 3 of 4 Forces Acting on 10kg Mass
- ~christina~
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How much work is done on the car by the rope
- Heat
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Angular Impulse and Angular Momentum
- krnhseya
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Acceleration and rotation of centrifuge
- aligass2004
- · Replies 5 ·
Projectile Motion Tossing a Bag from Dayton's to IDS
- ~christina~
- · Replies 13 ·
Normal force and friction coefficient for 517 N package pushed at 50°
- brad_i2001
- · Replies 10 ·
Plane flying crosswind at 120km/h with 50km/h perpendicular wind
- physstudent1
- · Replies 5 ·
How Do You Calculate Equivalent Resistance Using Node Voltage Analysis?
- psycovic23
- · Replies 1 ·
What is the tension in a rope for a moving box in Newton's Second Law?
- ideefixem
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Need to find the tension at T in left-hand cable
- bikerkid
- · Replies 21 ·
Calculating Force of Water Resistance on a Motorboat
- lindzpooh
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How Do You Calculate Torque and Tension in a Supported Beam Scenario?
- koolkris623
- · Replies 1 ·
What Is Theta Critical for an Object on an Inclined Plane?
- pyrojelli
- · Replies 1 ·
Does Tension Do Any Work in Uniform Circular Motion?
- Heat
- · Replies 1 ·
Find Max Weight of Block A to Keep Block B Stationary
- bob1182006
- · Replies 1 ·
Time constant of an LRC circuit
- eljaydub
- · Replies 2 ·
Percentage error for meter ruler and voltmeter measurements
- fickle
- · Replies 13 ·
Finding acceleration and distance on a 10-degree ski slope
- HT3
- · Replies 3 ·
Change in velocity when a car turns from south to west
- henry2221
- · Replies 15 ·
Average velocity for multi-leg car and train trips
- Jath
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The Tension Force and Equilibrium
- Gannon
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Maximum and minimum force to keep 2 kg block stationary against wall at 50°
- pcandrepair
- · Replies 24 ·
Solving the logistic growth model
- jwang34
- · Replies 5 ·
Rotational Motion- Pulleys with Friction
- danield
- · Replies 2 ·
Calculating Tension and Reaction Forces in an Overhead Garage Door System
- Jaspworld
- · Replies 3 ·
Find lowest resonant frequence on this string
- Saladsamurai
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Will Either Rope Break Supporting a 1000kg Steel Beam?
- circuscircus
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Objects of the different masses fall at the same speed
- babyc
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Calculating Braking Time for 800 kg Car
- lindzpooh
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Raising a load of bricks from the ground
- lindzpooh
- · Replies 3 ·
Work done by applied force and friction on a pushed book
- Heat
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Object with 20 J initial kinetic energy stops under 4 N friction
- lindzpooh
- · Replies 3 ·
Determine the acceleration of the book
- xCanx
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Coefficient of rolling friction for bicycle tires at different pressures
- Heat
- · Replies 7 ·
How Do You Calculate the Tension in Cables Suspending a Loudspeaker?
- circuscircus
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Why does the work for gas escaping a balloon equal P₀V?
- Ahmed Abdullah
- · Replies 9 ·
Finding the Balance Point of Gravitational Forces Between Earth and Moon
- smileandbehappy
- · Replies 6 ·
Heat Capacity of Air at Constant Volume
- s.p.q.r
- · Replies 10 ·
Height and Weight Calculations for Cosmoclock 21 Ferris Wheel
- Abarak
- · Replies 13 ·
Does skid-to-stop formula give the same velocity regardless of vehicle mass?
- Probie
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How can I get help with my physics homework?
- Jhevon
- · Replies 3 ·
How Far Downstream Will a Swimmer Land in a River Current?
- kjanem89
- · Replies 1 ·
Converting 200 km/h to m/s - why divide by 3.6?
- aksarb
- · Replies 3 ·
Deriving the velocity from a distance equation
- ~christina~
- · Replies 8 ·
Why does a tennis ball return faster when hit with higher incoming velocity?
- EriqueSherman
- · Replies 3 ·
Vector Space: Fifth-Degree Polynomials
- eyehategod
- · Replies 1 ·
Why Is Calculating the Centripetal Force in a Bohr Atom Challenging?
- veloix
- · Replies 7 ·
Measuring period of vertical oscillations and estimating uncertainty
- MightyHound
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Solving the Balanced Board Problem
- splac6996
- · Replies 3 ·
Velocity and distance of walking backpacker
- vkrock
- · Replies 12 ·
Parachute but with no given mass.
- quiksilver2871
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How Does Aerodynamic Drag Influence the Space Shuttle's Orbit Duration?
- quiksilver2871
- · Replies 13 ·
Opera singer and crystal goblet
- cctroublemaker
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Neutron striking unknown particle, rebounds at 0.7Vo
- kateman
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Why is acceleration g sin(10) on an inclined plane?
- HT3
- · Replies 4 ·
Procedure for calibrating the force probe
- smh745
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Finding the Center of Mass in an Equilateral Triangle with 3 Equal Masses
- jaded18
- · Replies 3 ·
Electric Field Above Square: Find E-Field at z Height
- nicksauce
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Conservation of momentum and toboggan
- jaded18
- · Replies 6 ·
Why Use the Least Squares Method for Finding Slope?
- ksaechao
- · Replies 3 ·
Calculating Horizontal Distance of Dart Fired by Child on Incline
- ngoldfarb
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Electric Field of Two Point Charges on the x-axis
- Ryo124
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Fish dropped from different heights with constant pelican speed
- jbutl3r25
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Help how do i find displacement of two vectors?
- pebbles
- · Replies 10 ·
How to Determine Electric Field Strength in a Thunderstorm?
- Ryo124
- · Replies 4 ·
Dynamics of block with friction how to set up?
- fizziksc
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Calculating Orbital Velocity Change for Rendezvous Problem
- ColdFusion85
- · Replies 9 ·
How do I solve for the release height to land in a hole on a ramp?
- Sean77771
- · Replies 6 ·
Calculating Runway Length and Tension for Transport Plane Takeoff
- Heat
- · Replies 23 ·
How much distance will be covered in the next second with constant acceleration?
- MIA6
- · Replies 12 ·
(Non/)Equlibrium and Newton's Laws of Motion
- Gannon
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What is the coefficient of kinetic friction between the pig and the slide?
- B-80
- · Replies 4 ·
Projectile Motion shot over a cliff
- sw3etazngyrl
- · Replies 1 ·
How Does a 45 Degree Angle Affect Boat Navigation in a River Current?
- sw3etazngyrl
- · Replies 1 ·
What is and how do we derive force (F) opposite the force of friction (Ff)?
- pyrojelli
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Work and power for a skier on a slope and a student climbing a rope
- kello2008
- · Replies 3 ·
What are the equations for equilibrium in a pulley system?
- anglum
- · Replies 12 ·
Maximum Speed and Banked Turns in Circular Motion
- Sean77771
- · Replies 2 ·
Kinematics of 2-D Ball Rolling Off Table
- jedjj
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How Far Will the Spring Compress When a Box Falls on It?
- DeadFishFactory
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Calculating Frictional Force with Angles
- confusseed
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Electron and proton separation in a hydrogen atom
- 22791
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Van de Graaff Problem: Solve for Electric Field Strength
- Ryo124
- · Replies 4 ·
Calculating Artificial Gravity in Rotating Space Station
- Elusion
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Calculating the Force Needed to Slide a 400 N Box Up a Ramp
- brad_i2001
- · Replies 2 ·
Finding B Using Cross Product in Magnetic Force Equation
- proton
- · Replies 3 ·
Determine the car's displacement
- etSahcs12
- · Replies 12 ·
Is Newton's Third Law Violated in Electromagnetism?
- loom91
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Reviewing for exam-how would i find the displacement of two vectors?
- pebbles
- · Replies 3 ·
Hooke's Law: Solve Work Problem at MIT East Campus Dorms
- shell4987
- · Replies 2 ·
Work done against gravity by a chairlift on a skier
- Phykid
- · Replies 2 ·
What is the height of the cliff above the water?
- aksarb
- · Replies 4 ·
How Fast Does a Boulder Roll Downhill After a Tremor?
- etSahcs12
- · Replies 1 ·
Calculating Angle for Water Rolling on Glass Plane
- Winzer
- · Replies 1 ·
Acceleration, magnitude, displacement.
- mimibajiduh
- · Replies 2 ·
Elastic Potential Energy stored in rubber band
- Phykid
- · Replies 11 ·