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Physics: explore STEM content (page 23 of 27) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Physics Physics groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Physics

Mechanics, electromagnetism and quantum on openstem — flashcards, notes, quizzes, plots and sketches shared by the community. Study free, or clone anything into your library.

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Collection4 items

01Physics · L4 · Gravitation & Orbital Mechanics

02Physics · L4 · Gravitation and orbital mechanics

03Physics · L4 · From Newton's Law to Kepler's Laws

+1 more

Physics

Physics · L4 · Gravitation & Orbital Mechanics

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Physics · L4 · Gravitation & Orbital Mechanics

Flowchart11 objects

Physics

Physics · L3 · Energy Flow Through a Heat Engine

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Physics · L3 · Energy Flow Through a Heat Engine

Flowchart9 objects

Physics

Physics · L5 · Particle Physics · flowchart

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Physics · L5 · Particle Physics · flowchart

Flashcards10 cards

What is an order parameter, and what does it mean physically?1 / 10

A quantity that is exactly zero in the disordered (symmetric) phase and nonzero in the ordered phase, serving as a measure of how much the phase transition's symmetry has been spontaneously broken. Example: the magnetization M of a ferromagnet is zero above the Curie temperature and nonzero below it.

Physics

Physics · L5 · Phase Transitions & Critical Phenomena

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Physics · L5 · Phase Transitions & Critical Phenomena

Flowchart7 objects

Physics

Physics · L2 · Friction · flowchart

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Physics · L2 · Friction · flowchart

Quiz8 questions

Water flows through a pipe that narrows from 6 cm² to 3 cm². If the initial speed is 2 m/s, what is the speed in the narrow section?

A1 m/sB2 m/sC4 m/sD8 m/s

Physics

Physics · L4 · Fluid Mechanics — 8 Q

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Physics · L4 · Fluid Mechanics — 8 Q

Flowchart11 objects

Physics

Physics · L2 · Which Newton's Law Applies?

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Physics · L2 · Which Newton's Law Applies?

Flowchart9 objects

Physics

Physics · L2 · States of Matter

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Physics · L2 · States of Matter

Flashcards7 cards

What is a pendulum?1 / 7

A pendulum is anything that hangs from a point and can swing freely back and forth, like a playground swing or a clock's swinging weight.

Physics

Physics · L1 · Swings & Pendulums: Back-and-Forth Motion

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Physics · L1 · Swings & Pendulums: Back-and-Forth Motion

Flashcards10 cards

Why can projectile motion be analyzed as two separate 1D motions?1 / 10

Because horizontal and vertical motion are independent of each other. Gravity only acts vertically, so it never changes the horizontal velocity — and nothing pushes the object sideways, so nothing changes the vertical motion's timing. Treating them as two separate, simultaneous problems (constant velocity sideways, constant acceleration down) is what makes the curved path solvable with straight-line kinematics.

Physics

Physics · L3 · Projectile Motion

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Physics · L3 · Projectile Motion

Note~395 words · 2 min

Flux, and why it's the thing that matters Induction needs a changing magnetic flux. Not a strong field, a changing one. Faraday's law Three ways to make dΦ/dt non-zero, and every generator uses one of them. Lenz's law: reading the minus sig

Physics

Physics · L4 · Electromagnetic Induction

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Physics · L4 · Electromagnetic Induction

Collection5 items

01Physics · L3 · Newton's Second Law

02Physics · L3 · Newton's Second Law

03Physics · L3 · Newton's Second Law: Solving for Force, Mass, and Acceleration

+2 more

Physics

Physics · L3 · Newton's Second Law

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Physics · L3 · Newton's Second Law

Flowchart11 objects

Physics

Physics · L3 · Wave Properties: Wavelength, Frequency, and Speed · flowchart

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Physics · L3 · Wave Properties: Wavelength, Frequency, and Speed · flowchart

Flashcards8 cards

What do the letters in "SUVAT" stand for?1 / 8

s = displacement, u = initial velocity, v = final velocity, a = acceleration, t = time. The SUVAT equations connect these five quantities for motion at constant acceleration.

Physics

Physics · L3 · 1D Kinematics: The SUVAT Equations

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Physics · L3 · 1D Kinematics: The SUVAT Equations

Flowchart14 objects

Physics

Physics · L5 · Period-Doubling Route to Chaos

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Physics · L5 · Period-Doubling Route to Chaos

Flowchart11 objects

Physics

Physics · L3 · What Kind of Image Does This Lens Form?

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Physics · L3 · What Kind of Image Does This Lens Form?

Flowchart5 objects

Physics

Physics · L4 · Oscillations & Resonance · flowchart

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Physics · L4 · Oscillations & Resonance · flowchart

Collection4 items

01Physics · L3 · Electric Potential & Capacitors

02Physics · L3 · Electric Potential & Capacitors

03Physics · L3 · How a Camera Flash Capacitor Works

+1 more

Physics

Physics · L3 · Electric Potential & Capacitors

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Physics · L3 · Electric Potential & Capacitors

Flashcards7 cards

What is a qubit, and how does its state space differ from a classical bit?1 / 7

A qubit is a two-level quantum system whose state is a normalised superposition |ψ⟩ = α|0⟩ + β|1⟩, with |α|² + |β|² = 1, in contrast to a classical bit which is always definitely 0 or 1. The continuum of possible superpositions (and, for mixed states, the full Bloch sphere) gives a qubit vastly richer state space than a classical bit.

Physics

Physics · L5 · Quantum Information — Entanglement & Bell's Theorem

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Physics · L5 · Quantum Information — Entanglement & Bell's Theorem

Collection4 items

01Physics · L1 · Solids, Liquids & Gases

02Physics · L1 · Solids, Liquids & Gases

03Physics · L1 · Sorting Everyday Objects

+1 more

Physics

Physics · L1 · Solids, Liquids & Gases

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Physics · L1 · Solids, Liquids & Gases

Flowchart15 objects

Physics

Physics · L2 · How Sonar Measures Distance With an Echo

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Physics · L2 · How Sonar Measures Distance With an Echo

Note~242 words · 1 min

Everything around you is matter A rock, a glass of juice, the air you breathe: all matter, meaning all of it takes up space. But they don't behave the same way, and they sort into three everyday kinds. Quick test: stays in one shape, it's a

Physics

Physics · L1 · Solids, Liquids & Gases

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Physics · L1 · Solids, Liquids & Gases

Collection5 items

01Physics · L2 · Heat Transfer

02Physics · L2 · Heat Transfer in Everyday Life

03Physics · L2 · Heat Transfer: Conduction, Convection, and Radiation

+2 more

Physics

Physics · L2 · Heat Transfer

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Physics · L2 · Heat Transfer

Flowchart5 objects

Physics

Physics · L2 · Projectile Motion Basics · flowchart

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Physics · L2 · Projectile Motion Basics · flowchart

Quiz5 questions

What is a trajectory?

AThe curved path a thrown or launched object follows through the airBThe exact spot where a ball landsCThe force used to throw an objectDThe speed of an object at the moment of release

Physics

Physics · L2 · Projectile Motion Basics

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Physics · L2 · Projectile Motion Basics

Collection4 items

01Physics · L1 · Rainbows & Mixing Colors

02Physics · L1 · Rainbows & Mixing Colors

03Physics · L1 · From Sunlight to a Rainbow

+1 more

Physics

Physics · L1 · Rainbows & Mixing Colors

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Physics · L1 · Rainbows & Mixing Colors

Quiz5 questions

Which direction does friction act, relative to the motion (or attempted motion) of an object?

AIn the same direction as the motionBOpposite to the direction of the motion or attempted motionCStraight up, away from the surfaceDFriction has no particular direction

Physics

Physics · L2 · Friction

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Physics · L2 · Friction

Note~347 words · 2 min

Current is moving charge, so a wire feels the force too A moving charge in a magnetic field feels a push. A current is an enormous number of moving charges. So the whole wire gets pushed, hard enough to move it. For direction: point your fi

Physics

Physics · L3 · Magnetic Force on Current-Carrying Wires

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Physics · L3 · Magnetic Force on Current-Carrying Wires

Flowchart9 objects

Physics

Physics · L4 · Maxwell's Equations & Electromagnetic Waves · flowchart

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Physics · L4 · Maxwell's Equations & Electromagnetic Waves · flowchart

Quiz7 questions

Sound generally travels fastest in which type of medium?

AVacuumBGasesCLiquidsDSolids

Physics

Physics · L4 · Sound Waves & the Doppler Effect — 7 Q

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Physics · L4 · Sound Waves & the Doppler Effect — 7 Q

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