physics test # 2

Question 1

tera

Answer 1

12

Question 2

giga

Answer 2

9

Question 3

mega

Answer 3

6

Question 4

kilo

Answer 4

3

Question 5

hecto

Answer 5

2

Question 6

deca

Answer 6

symbol= da

1

Question 7

deci

Answer 7

-1

Question 8

centi

Answer 8

-2

Question 9

milli

Answer 9

-3

Question 10

micro

Answer 10

-6

Question 11

nano

Answer 11

-9

Question 12

kinetic energy

Answer 12

energy a body posseses by being in motion

Question 13

potential energy

Answer 13

energy stored in an object

Question 14

inertia

Answer 14

to remain still or unchanged

Question 15

momentum

Answer 15

a quantity of motion measured in mass and velocity

Question 16

4 rules for determining sigfigs

Answer 16

1. All non zero digits in a measurement are significant
2. Zeroes that come after the decimal and after a non zero digit are significant
3. Leading zeroes aren’t significant
4. Trailing zeroes with no decimals are assumed to be insignificant

Question 17

What’s the rule for adding and subtracting measurements

Answer 17

Your calculated value should have the same precision as your least precise measurement

Question 18

What’s the rule for Multiplying and dividing

Answer 18

Your calculated value should have the same # of sigfigs as the measurement with the least amount of sigfigs