Translational Motion Flashcards
1
Q
sinθ
A
opp/hyp
2
Q
cosθ
A
adj/hyp
3
Q
tanθ
A
opp/adj or sinθ/cosθ
4
Q
sin(30)
A
1/2
5
Q
sin(45)
A
1/root2
6
Q
sin(60)
A
root3 /2
7
Q
sin(90)
A
1
8
Q
sin(180)
A
0
9
Q
cos(0)
A
1
10
Q
cos(30)
A
root3 /2
11
Q
cos(45)
A
1/root2
12
Q
cos(60)
A
1/2
13
Q
cos(90)
A
0
14
Q
cos(180)
A
-1
15
Q
sin(0)
A
0
16
Q
tan(0)
A
0
17
Q
tan(30)
A
1 / root3
18
Q
tan(45)
A
1
19
Q
tan(60)
A
root3
20
Q
tan(90)
A
infinity
21
Q
tan(180)
A
0
22
Q
sin2θ
A
2sinθcosθ
23
Q
What is displacement?
A
the difference between the initial and final position
24
Q
What is velocity?
A
the rate of change of displacement with respect to time
25
What is acceleration?
the rate of change of velocity with respect to time
26
What are the kinematic equations?
v = v₀ + at and v² = v₀² + 2ax
27
What are scalar quantities?
those with magnitude but not direction
28
What are vector quantities?
those with magnitude and direction
29
What is the equation for acceleration?
av = (v' - v) / ΔT
30
What is the equation for velocity?
v = d/t