physics lecture 1
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The five steps to solving a physics question
confidence, diagram, system, formula, plug n chug
This is a physical quantity that has magnitude but no direction
this has a physical quantity with both magnitude and direction. Can be represented by an arrow
A2 + B2 = C2
What does SOH CAH TOA stand for?
- Sine Opposite over hypotenuse
- Cosine adjacent over hypotenuse
- Tangent opposite over adjacent
Any vector can be replaced by this type of vector. They are always at right angles to each other and their sum is equal to the vector being replaced.
The most common triangle for the MCAT
scalar: Distance/time =
This vector is defined as the rate of change in velocity either in magnitude or direction.
Change in velocity/time
uniformly accelerated motion is motion with constant acceleration.
What are the three uniformly accelerated motion?
what is the equation for average veolcity?
The peak height for the projectile formula
A large one of these increases air resistance because it allows for more collisions with air molecules
This is created when projectile collides with air molecules. It is a type of friction that is affected by surface area, shape, and velocity. Mass doesn't change it but it can alter the path of the projectile.
formula for velocity
velocity = displacement/time
formula for acceleration
acceleration=change in velocity/time
another formula with constant acceleration
v= square root(2gh)
what is the value of g?
What would you like to do?
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