Ch 64 Flashcards
(36 cards)
1
Q
What is the SI unit for length?
A
m
2
Q
What is the SI unit for mass?
A
kg
3
Q
What is the SI unit for force?
A
N
4
Q
What is the SI unit for time?
A
s
5
Q
What is the SI unit for Work and Energy?
A
J
6
Q
What is the SI unit for power?
A
W
7
Q
What is the prefix for E9
A
G
8
Q
What is the prefix for E6
A
M
9
Q
What is the prefix for E3
A
K
10
Q
What is the prefix for E-2
A
c
11
Q
What is the prefix for E-3
A
m
12
Q
What is the prefix for E-6
A
µ
13
Q
What is the prefix for E-9
A
n
14
Q
What is the prefix for E-12
A
p
15
Q
What is the sin of 0˚?
A
0
16
Q
What is the cos of 0˚?
A
1
17
Q
What is the sin of 30˚?
A
1/2
18
Q
What is the cos of 30˚?
A
√3 / 2
19
Q
What is the sin of 45˚?
A
√2 / 2
20
Q
What is the cos of 45˚?
A
√2 / 2
21
Q
What is the sin of 60˚?
A
√3 / 2
22
Q
What is the cos of 60˚?
A
1/2
23
Q
What is the sin of 90˚?
A
1
24
Q
What is the cos of 90˚?
A
0
25
What is the sin of 180˚?
0
26
What is the cos of 180˚?
-1
27
What are scalar quantities?
Numerical quantities with no direction
28
The sum of two or more vectors is called the
Resultant of the vectors
29
How do you find Vector X?
V*cosΘ
30
How do you find Vector Y?
V*sinΘ
31
What kind of quantity is displacement?
Vector
32
Velocity has the same direction as
∆x
33
What is the equation of average velocity?
∆x / ∆t
34
Instantaneous velocity is defined as the slope of
Position with respect time at a particular t
35
What is the equation of average speed?
d / ∆t
36
What is the equation of average acceleration?
∆v / ∆t