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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Force from a rectangular loop of wire?
- cdotter
- · Replies 1 ·
Hat height from the ground will the child become airborne? picture included
- gap0063
- · Replies 14 ·
A banked curve and coefficient of friction
- praecox
- · Replies 1 ·
Solving Pulley-Based Question: Tension & Mass Calculation | Step-by-Step Guide"
- Hunter King A
- · Replies 2 ·
Torque Equilibrium-illustration attached
- PoPrOcKsRoCk
- · Replies 4 ·
Relative acceleration and others
- ppxrare
- · Replies 12 ·
How can I solve a 2D motion problem with angles and components?
- moondawg
- · Replies 1 ·
Meri go round: Angular momentum
- kalupahana
- · Replies 1 ·
Calculate Torque for Pin: L=100.9 cm, M=3.98 kg, m=537 g.
- PoPrOcKsRoCk
- · Replies 2 ·
Circular motion of a small block
- Priscilla
- · Replies 6 ·
Angular Momentum of Rotating Cylinder
- cantgetaname
- · Replies 11 ·
Is it possible to have a measurement with no uncertainty?
- wumple
- · Replies 1 ·
Softball in vertical circle, find release velocity
- AHinkle
- · Replies 1 ·
Finding friction on a 42 kg block at rest on a 31° incline
- dlthompson81
- · Replies 9 ·
How can a body have a velocity east and acceleration west?
- IntegrateMe
- · Replies 3 ·
My attempt seems right? (Kinematics)
- IntegrateMe
- · Replies 3 ·
Finding the variable S using the intercept in simple harmonic motion of spring.
- Finaid
- · Replies 1 ·
Car hits brick wall, find inital speed of car
- AHinkle
- · Replies 6 ·
How Does the Third Piece's Velocity Compare After the Clay Ball Shatters?
- perfectlovehe
- · Replies 3 ·
What angle and time would result in a collision between Particle A and B?
- maximade
- · Replies 1 ·
Why does net internal torque equal zero if position vectors differ?
- tukms
- · Replies 4 ·
Find the resultant displacement from the cave entrance
- hawk24
- · Replies 1 ·
Motion in two dimensions basketball dunk
- ppxrare
- · Replies 6 ·
Angular momentum and energy conservation in elastic collision
- zorro
- · Replies 16 ·
Thermal expansion of a glass bottle
- a077456
- · Replies 1 ·
What is the acceleration of the car?
- tica86
- · Replies 3 ·
Calorimetry Problem: Solving for Final Equilibrium Temp.
- a077456
- · Replies 3 ·
Circular Motion / Newton's Laws
- Destrio
- · Replies 44 ·
Find the net force (in Newtons)
- tica86
- · Replies 4 ·
Gravity's Work on Mass Sliding Down Incline at 35 Degrees
- ._|evo|_.
- · Replies 3 ·
Solving Fictitious Forces w/ Massless Pulley
- yngstr
- · Replies 1 ·
Projectile motion: ball off table and bouncing in well
- picklepie159
- · Replies 10 ·
What is the perpendicular component of the rate of change?
- ohheytai
- · Replies 2 ·
2 questions: Force of bullet and car
- mikex213
- · Replies 2 ·
Solving for the Speed of a Toy Cannon's Projectile
- jq.barista
- · Replies 1 ·
Tension in ropes used to build the pyramids
- Priscilla
- · Replies 7 ·
Blackbody radiation - derive expression for T
- accountkiller
- · Replies 3 ·
Calculating Chair Stability: Solving the Angle of a Rocking Chair Tipping Over
- jobsism
- · Replies 4 ·
How Is Spring Stiffness Calculated in Physics Problems?
- ohheytai
- · Replies 3 ·
Electric field in the overlap of two solid, uniformly charged spheres
- KaiserBrandon
- · Replies 4 ·
Uranium238 vs U235, which are true?
- Kibbel
- · Replies 1 ·
Easy avg velocity problem I can't figure out
- weeeee123
- · Replies 4 ·
Velocity of a ball at the highest point using the radius
- lanzjohn
- · Replies 6 ·
Magnetic field from two parallel wires carrying 3.78A
- sami23
- · Replies 4 ·
Simple centripetal acceleration question
- StephenD420
- · Replies 4 ·
Length Contraction Relativity Question
- goldilocks
- · Replies 1 ·
Newtonian Mechanics and Forces Problem
- Axecutioner
- · Replies 2 ·
Calculating Tension in a Rope with an Electric Motor
- paddygills
- · Replies 5 ·
Determine the mass of the star?
- ohheytai
- · Replies 5 ·
Finding the Net Electric Force on a Charge
- Tekmachine
- · Replies 3 ·
Forces between three blocks on 30° frictionless incline
- ryan1180
- · Replies 2 ·
Circuits and Direction of Magnetic Field
- diabolical
- · Replies 3 ·
Heat transfer question from surroundings to a thin sheet of ice
- hanjy85
- · Replies 1 ·
How to Convert Units for Finding the Mass of a Star?
- leonne
- · Replies 7 ·
How Fast Must a Kid Go to Complete a Frictionless Loop-the-Loop?
- mohabitar
- · Replies 2 ·
Measuring Coefficients of Friction
- Dirkpitt
- · Replies 3 ·
Capillary Tube and Surface Tension
- zorro
- · Replies 7 ·
Determining the Uncertainty of a Unit Vector using Error Propagation
- thefelonwind
- · Replies 1 ·
Understanding Wave Reflection and Phase Shifts
- Dalcier
- · Replies 1 ·
What is the maximum speed in a spring-mass system with low friction?
- redalertkev
- · Replies 1 ·
How Does Surface Tension Affect Bubble Separation in a Narrow Tube?
- zorro
- · Replies 2 ·
Relative dielectric constant - More than one dielectric in a capacitor
- Gabry89
- · Replies 6 ·
Problem that (probably) involves Archimedes' principle
- tsw99
- · Replies 1 ·
Banked Curve Without Friction: Calculating Height at Increased Velocity
- eestep
- · Replies 4 ·
Quantum mechanically, I'm not sure what would be different..
- bon
- · Replies 10 ·
Multiple step velocity/acceleration problem
- hannah2329
- · Replies 3 ·
Final distance between two charges, identical particles approaching each other
- Alfaraj
- · Replies 1 ·
Finding Net Force on a 725 Gram Block with Given Acceleration and Angle
- ScienceGirl90
- · Replies 4 ·
Calculating Force Generated by Person
- timorito
- · Replies 2 ·
An electron in a trajectory motion between the center of two plates
- Alfaraj
- · Replies 1 ·
Mass hanging from the roof of a moving truck. Newtons laws.
- cmwilli
- · Replies 1 ·
Find launch speed given spring constant and compressed distance
- Chica1975
- · Replies 1 ·
Minimize initial speed to travel distance H from height H
- tomfrank
- · Replies 9 ·
Pulley with string attached to ground
- khkwang
- · Replies 8 ·
Maximum Velocity Around a Curve
- Redrover33
- · Replies 1 ·
Stone thrown vertically upward from 74 m cliff: time, speed, and distance
- converse48
- · Replies 3 ·
The Wave Condition: Fixed Ends and Open Ends
- jwxie
- · Replies 3 ·
How Do You Calculate Path Length and Displacement on a Circular Track?
- Jetsgirl
- · Replies 4 ·
Maximum stretch in spring-mass system with initial compression and velocity
- tgoodspe
- · Replies 2 ·
How to find the displacement with such little info?
- elpermic
- · Replies 1 ·
How Do You Calculate the Time Before Deceleration in a Cycling Problem?
- ghostbuster25
- · Replies 8 ·
Speed involving speed of sound?
- hannah2329
- · Replies 8 ·
What is the minimum average speed needed for a car to qualify in a drag race?
- hannah2329
- · Replies 2 ·
Coefficient of Static Friction between truck and block
- MetallicaFNum
- · Replies 1 ·
Why Is the Calculation of the Moment Sign Confusing in Force-Couple Systems?
- blue996
- · Replies 3 ·
True of false? velocity and acceleration
- hannah2329
- · Replies 1 ·
Free-body diagrams for skydiver with and without parachute
- NickR
- · Replies 2 ·
Sub woofers and tweeters wavelength
- Istfan
- · Replies 2 ·
Finding vector C from 2A + C − B = 37 lb in +x direction
- godawgs
- · Replies 2 ·
How Does Friction Affect Acceleration and Tension in a 3-Block Pulley System?
- mike2148b
- · Replies 2 ·
Calculating surface gravity using Newton's gravitational constant
- nukeman
- · Replies 12 ·
Kinematics, rock falling off cliff
- 777lov3r
- · Replies 6 ·
Finding time for displacement in simple harmonic motion
- FsLiu
- · Replies 5 ·
Do Different Weights Fall at the Same Speed When Dropped?
- nukeman
- · Replies 5 ·
How Long Does It Take for the Zum Train to Stop?
- gohanssj2a99
- · Replies 1 ·
What is the Velocity of an Object on an Inclined Plane with Friction?
- eestep
- · Replies 4 ·
Finding the magnitude of net force
- ScienceGirl90
- · Replies 2 ·
Electron in magnetic field, quick fix
- pleasehelpme6
- · Replies 1 ·