# Shared Flashcard Set

## Details

Physics 101 Lecture notecards
Notecards to help remember laws, equations, and facts from Physics 101 lecture
29
Physics
10/01/2013

Term
 Trigonometry is a branch of mathematics that studies...
Definition
 between sides and angles of triangles
Term
 A right triangle is one with..
Definition
 has one angle that is 90 degrees
Term
 h = (in relationship to a right triangle)
Definition
 hypotenuse
Term
 Θ =
Definition
 unknown angle in a right triangle
Term
 ho =
Definition
 Length of side opposite of angle θ
Term
 ha =
Definition
 Length of side adjacent to angle θ
Term
 sin θ =
Definition
 ho / h
Term
 cos θ =
Definition
 ha / h
Term
 tan θ =
Definition
 h0 / ha
Term
 cot θ =
Definition
 ha / ho
Term
 What is the pythagoreum therom?
Definition
 h2=h02+ha2
Term
 Θ = sin-1 (...)
Definition
 (h0/h)
Term
 Θ = cos-1(...)
Definition
 (ha/h)
Term
 Θ = tan-1(...)
Definition
 (h0/ha)
Term
 Θ = cot-1(...)
Definition
 (ha/h0)
Term
 SI unit of length?
Definition
 meters (m)
Term
 SI unit of mass?
Definition
 kilograms (kg)
Term
 SI unit of time?
Definition
 Seconds (s)
Term
 A scalar quantity is...
Definition
 one that can be described by a single number
Term
 Give examples of scalar quantities.
Definition
 Tempeture Time Mass Distance Speed
Term
 A vector quantity deals with both...
Definition
 Magnitude & direction
Term
 Give examples of vector quantities.
Definition
 displacement Velocity Force
Term
 Distance is the _________ of displacement
Definition
 magnitude
Term
 Speed is the magnitude of _______
Definition
 Velocity
Term
 The length of the arrow is proportional to the...
Definition
 magnitude of the vector
Term
 What method do you use to add vectors.
Definition