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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Calculating the Spring Constant for a 9.10 kg Mass on a Vertical Spring
- BHFCBabe
- · Replies 2 ·
Radial Acceleration and Gravitational Force of the Sun in the Milky Way Galaxy
- crazuiee
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Solving a Lab w/ Friction: Need Help!
- fishfish
- · Replies 1 ·
Solving a Two-Puck Collision on an Air Hockey Table
- physics10189
- · Replies 3 ·
Solving for v(t) & x(t) in a Region of Resistive Force
- joemama69
- · Replies 1 ·
Physics Lab Question - Where To Begin
- Danneskjöld
- · Replies 4 ·
Analyzing Acceleration of Wedge and Block System
- wing_88
- · Replies 2 ·
Solve Circular Motion Homework: Find Tension 1 & 2
- joemama69
- · Replies 1 ·
Electric field sphere with inner cavity
- jackxxny
- · Replies 13 ·
Calculating Acceleration of Connected Blocks on a Wedge
- wing_88
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Inelastic collision between 2 objects
- wing_88
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Calculating Maximum Height and Horizontal Range of 0.25kg Skeet
- wing_88
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Force per unit length on the wire in the bottom left hand corner.
- missyc8
- · Replies 1 ·
Maximum resolution by quantum mechanics
- lagwagon555
- · Replies 1 ·
How Is Average DC Output Calculated for a Half-Wave Rectified Sine Wave?
- zigg
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How Much Thrust Does a 1W Flashlight Emit?
- jacobgong
- · Replies 3 ·
Work done by gravity on block sliding down incline
- TheNextOne21
- · Replies 3 ·
How Much Power Does an 8.00A, 115V Circuit Generate?
- dramaqueen
- · Replies 1 ·
Basketball game problem- projectile motion
- mmoadi
- · Replies 1 ·
How Does Tension Affect Motion in Atwood's Machine?
- Chandasouk
- · Replies 3 ·
Which reacted faster, foot or hand?
- lostsummer
- · Replies 1 ·
How Much Acceleration Can a Man Generate While Towing an Airplane?
- wanos
- · Replies 6 ·
Static Electricity on metal sphere
- DarkPhoenix
- · Replies 3 ·
Spin and gravity of earth, no math
- fenixbtc
- · Replies 1 ·
Analysis of an L-R-C Series Circuit
- sully677
- · Replies 3 ·
Centripetal acceleration problem (very easy)
- coding_delight
- · Replies 5 ·
Which of these possibilities will produce emf
- songoku
- · Replies 6 ·
Conservation of Energy fusion reaction
- crybllrd
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A block sliding up a ramp, solve for acceleration
- acid234
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Finding capacitance per unit length
- tnutty
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How to Calculate the Length of a Copper Wire Based on Resistance?
- dramaqueen
- · Replies 1 ·
Find the height from which the ball was thrown
- xjasonx1
- · Replies 3 ·
Simple harmonic motion with an amplitude
- physics_geek
- · Replies 3 ·
Kinematics Final Velocity Question
- SkiingAlta
- · Replies 13 ·
Drawing a free body diagram problem
- Chandasouk
- · Replies 3 ·
Work Done on 10kg Cart on Frictionless Surface: 11m
- r34racer01
- · Replies 3 ·
Determine the depth of a swimming pool filled with water
- Sammiebaby966
- · Replies 8 ·
How Much Power Does a Cheetah Generate During Acceleration?
- triplel777
- · Replies 8 ·
What Are the Frictional Forces in a Modified Atwood's Machine Experiment?
- krazy19812
- · Replies 4 ·
Motion of two trains physics problem
- ur5pointos2sl
- · Replies 8 ·
Movement of particles in Magnetic Field
- Suy
- · Replies 5 ·
Calculating Tension in a Vertical Rope with Variable Mass: A Scientific Inquiry
- Chandasouk
- · Replies 4 ·
Conservation of Energy Possibly
- Heisenberg.
- · Replies 7 ·
Is the Capacitance of a Twin Lead TV Antenna Cable Within Specifications?
- tnutty
- · Replies 3 ·
How Is Momentum Conserved in a One-Dimensional Collision?
- Soph
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Dot product and cross product problem
- tballs
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Why Are My Elevator Tension Calculations Incorrect?
- ur5pointos2sl
- · Replies 7 ·
Finding Speed on an incline when Power is known.
- ddn87
- · Replies 4 ·
What is the speed of an athlete landing in a long jump with known range, angle, and height?
- zman2011
- · Replies 1 ·
Inclined plane w/ friction problem
- peachy112girl
- · Replies 1 ·
How Can Engineers Design a Temperature-Independent Resistor?
- ktobrien
- · Replies 7 ·
What is the change in kinetic energy of block A as it moves up the incline?
- madcat1090
- · Replies 7 ·
Projectile Motion: Calculate the speed of the plane
- ntox101
- · Replies 4 ·
AP Physics C: Solving Energy Homework Equation
- SHawking
- · Replies 2 ·
What Speed Does the Athlete Land in Long Jump?
- zman2011
- · Replies 8 ·
Minimum Wavelength of Electron Accelerated in TV at 30,000 V
- zoner7
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Acceleration plus velocity question? ?
- bobsagget
- · Replies 2 ·
Calculating Average Acceleration in an Acceleration Test
- CraZyFanAtiC
- · Replies 2 ·
Acceleration of a Block on pulley
- KillerZ
- · Replies 5 ·
Quantum energy level, calcualting total energy
- lagwagon555
- · Replies 2 ·
How Do Forces Affect Motion in Different Scenarios?
- xgrape01
- · Replies 1 ·
Applied force on two blocks on a horizontal frictional plane
- lilaznjewel
- · Replies 6 ·
Can somebody check my work see if I did the steps right?
- Jac8897
- · Replies 2 ·
Acceleration of two masses and tension.
- cruisx
- · Replies 2 ·
How the coefficient of static friction works
- mvantuyl
- · Replies 2 ·
Solve Stationary Radar Homework: Find Ship's Velocity
- Loppyfoot
- · Replies 4 ·
How Much Should a Spring Be Compressed for a Roller Coaster to Complete a Loop?
- stella77
- · Replies 3 ·
How Is the Shortest Stopping Distance Calculated for a Wet Road?
- 94strat
- · Replies 9 ·
Determining Yellow Light Timing for Intersection Safety
- ilovephysics9
- · Replies 6 ·
Roller coaster minimum speed around loop and effective weight
- and9
- · Replies 1 ·
Force acting on a block against a wall
- phm
- · Replies 4 ·
Determining the density of Silicon
- weston_sagle
- · Replies 1 ·
Why Are My Calculations for the Window Washer's Pulley System Incorrect?
- VVV
- · Replies 5 ·
Exciting an electron in a hydrogen atom.
- weston_sagle
- · Replies 1 ·
Maximizing Turntable Angular Velocity with Friction Coefficients
- Mirole
- · Replies 4 ·
Circular motion problem no idea what's going wrong ><
- irNewton
- · Replies 1 ·
Can Standing Up Change How We Measure Earth's Size?
- SimpliciusH
- · Replies 10 ·
Simple Spring Question (Hooke's Law)
- Gotejjeken
- · Replies 2 ·
Solving Online Motion Problems: Understanding Velocity and Slope
- sickphysic
- · Replies 5 ·
Biot Savart, Intersecting Currents, and Calculating Magnetic Fields
- cwatki14
- · Replies 5 ·
Velocity of a satellite in an elliptical orbit
- ehilge
- · Replies 8 ·
Calculating Negative Electric Charge of Oxygen Gas at STP
- dtrain121
- · Replies 3 ·
How Do Two Blocks Collide Again After an Elastic Collision?
- stella77
- · Replies 2 ·
How Do You Calculate the Slope Angle of a Road When a Car Ascends?
- Bryon
- · Replies 6 ·
Calculating Angle of Elevation & Initial Speed of Projectile from a Gun Fire
- ur5pointos2sl
- · Replies 10 ·
Question involving Newton's Laws and Friction
- Chandasouk
- · Replies 1 ·
How Old is the Glacier Mummy Based on Carbon-14 Analysis?
- wilson_chem90
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How Do You Calculate the Takeoff Speed in a Long Jump Problem?
- Lil'Physicist
- · Replies 4 ·
Calculate Energy during Nuclear Fission
- wilson_chem90
- · Replies 1 ·
Conservation of Linear Momentum and spring compression
- G-reg
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What is the Velocity and Distance of an Automobile with a Changing Force?
- ur5pointos2sl
- · Replies 5 ·
Δp/Δt = −ΔEP/Δs why a negative?
- S1CkFiSh
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Kinematics Physics equation, simple explanation.
- LeopardGecko
- · Replies 2 ·
Interactive Physics program broken?
- leatherneckpa
- · Replies 3 ·
How Much Power Is Lost Due to Resistive Heating in a High-Voltage Line?
- plexxity
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Finding acceleration of an object on a horizontal surface
- Sunchild16
- · Replies 1 ·
How to find the Dielectric Strength
- jra_1574
- · Replies 6 ·
Plane waves, phase difference question
- goldilocks
- · Replies 1 ·
Solving Ge-Si Alloy & Doping P in Si - Question 6
- fredrick08
- · Replies 4 ·
Finding Linear Acceleration of a Yo-Yo
- kudoushinichi88
- · Replies 4 ·