The trick to this unit is simply to do lots of calculations over and over again. Test out what you think, try out the animations and you will be able to do the exam questions. The nuts and bolts are important for every calculation. Try to set up each problem with a diagram and then apply one of the UAM equations. If the problem is setup correctly you cannot go wrong. Don’t try and wing it!
I have now worked out every problem in the test book for this unit and answers are shown below so if you need help then here is a place to start.
How to do calculations involving horizontal projectiles.
How to do calculations involving horizontal projectiles.
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M11d suvat equations Part 4 of 4
suvat (uniform acceleration) equations. This is the final part of the [...]
suvat (uniform acceleration) equations. This is the final part of the lesson and covers v^2=u^2 + 2as.
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M12a Projectiles Part 1 of 3
Introduction to projectiles. Reviews what background knowledge you need. [...]
Introduction to projectiles. Reviews what background knowledge you need. Explains the basic motion of a horizontal projectile in terms of its velocity components.
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M11c suvat equations Part 3 of 4
How to use the equation s=ut+at^2/2. Includes derivation, reminder of how [...]
How to use the equation s=ut+at^2/2. Includes derivation, reminder of how to solve quadratic equations and worked examples.
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M11a suvat equations Part 1 of 4 v=u+at
This introduces the 'suvat' equations incuding when they can and cannot be [...]
This introduces the 'suvat' equations incuding when they can and cannot be used. The equation v=u+at is covered with examples. The other ones will be covered in parts 2-4.
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M10b Velocity Time Graphs Part 2 of 2
How to find displacement from the area under a velocity -time graph
How to find displacement from the area under a velocity -time graph
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M09b Acceleration Part 2 of 2
Use of a = (v-u)/t. Worked example to try for yourself.
Use of a = (v-u)/t. Worked example to try for yourself.
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M09a Acceleration Part 1 of 2
Introduces acceleration as a vector. Discusses what we mean by the [...]
Introduces acceleration as a vector. Discusses what we mean by the direction of acceleration. This is part 1 of 2. Part 2 covers simple calculations.
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M08 Finding velocity from a displacement time graph
How to find velocity from the gradient of a displacement time graph. Covers [...]
How to find velocity from the gradient of a displacement time graph. Covers straight and curved graphs.
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M10a Velocity Time Graphs Part 1 of 2
Understanding and using velocity-time graphs. This is part 1 of 2 and [...]
Understanding and using velocity-time graphs. This is part 1 of 2 and focuses mainly on calculating acceleration from a velocity-time graph.
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