Curated Video
Anticyclone
A high-pressure weather system with winds spiralling outwards from the centre. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
GCSE Physics - Ultrasound #74
This video covers: - The idea that ultrasound is just sound with a frequency over 20,000 Hz - How we can generate ultrasound - How we use ultrasound to view foetuses in prenatal scanning - How we use ultrasound to check the quality of...
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100 German Verbs Puppet Show - Deutsch lernen
I recently stumbled upon a list of the 100 most commonly used German verbs. You can see the site here: http://goo.gl/ZVVKu (Warning: There is a typo on #78. It should be erscheinen instead of erschienen. I fixed it in the video, before I...
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German Question Words for People: A Comprehensive Guide
Discover the secrets to mastering German question words for people with our comprehensive guide! You will learn everything from wer and wen to wem and even wessen, so you'll never be lost for words again. With easy-to-follow explanations...
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Konjunktiv 2 in German: What it is and why you are doing it WRONG!
What is the Konjunktiv 2 in German? When do you use the Konjunktiv 2 in German? How do you form the Konjunktiv 2? Are there tenses in the Konjunktiv 2? How do I form the past tense in Konjunktiv 2? I have all of the answers to all of...
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All German Question Words Overview- How to use them and examples of each - Deutsch lernen
This is an overview of all of the German question words including the wo-compounds. The entire list includes: wer (0:42), wen (1:26), wem (3:03), wessen (5:15), was (6:11), wo-compounds (6:42), wo (10:05), wohin (10:34), woher (11:20),...
Flipping Physics
#21 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using Newton's 2nd Law to determine the acceleration of a block being pulled at an angle on a level surface.
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#1 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about Mechanical Work.
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#67 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using the Right Hand Rule to determine the Net Magnetic Force on a current carrying loop near a Bar Magnet.
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#37 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about Electric Power and Resistors in Parallel and Series.
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#9 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about determining the period of oscillation when given the equation for an object in simple harmonic motion.
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#8 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about the acceleration of a ball at the top of its path when thrown up on the surface of a small asteroid.
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#7 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about how the gravitational force on a ball changes as it moves up away from a small asteroid.
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#6 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about relating the angular velocity of a wheel to its linear momentum.
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#5 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about the net torque on a cylinder with multiple radii.
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#4 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about using the derivative and Netwon's 2nd Law to determine the time at which the net force on an object is zero.
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#35 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about determining the spring constant of a mass-spring system using conservation of energy.
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#34 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is determining the velocity of an object falling with a drag force (in other words, the acceleration is not constant).
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#33 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about the average power input to a wheel when we know the moment of inertia of the wheel, the change in angular velocity and the time interval.
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#32 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about the average net torque on a wheel when we know the change in its angular speed, moment of inertia and change in time.
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#31 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about a vector representation of the initial and final momentums during an elastic collision.
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#30 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about the equation for the net torque on an cylinder with two radii in static equilibrium.
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#3 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about determining which position vs. time graph best fits a velocity vs. time graph.
Flipping Physics
#29 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about determining the magnitude of the centripetal acceleration of an object moving in a circle, however, you might not initially identify it as such.