Physics Prefixes For Units

Question 1

Mega

Answer 1

10^6

-M

Question 2

Kilo

Answer 2

10^3

-k

Question 3

Centi

Answer 3

10^-2

-c

Question 4

Milli

Answer 4

10^-3

-m

Question 5

Micro

Answer 5

10^-6

-upsidedown h

Question 6

Nano

Answer 6

10^-9

-n

Question 7

Steps for Problem solving

Answer 7

1. Read problem and analyze
2. Draw diagram when appropriate
3. Write down given data and what is to be found (some data is implied)
4. Determine which principles and equations are applicable to the situation
5. Substitute data into the equations & preform calculations
6. Consider whether results are reasonable

Question 8

7 SI Base units

Answer 8

• Meter= length
• Kilogram= mass
• Seconds= time
• ampere= electric current
• Kelvin: temperature
• mole: amount of substance
• candela= luminous intensity

Question 9

Rules for SigFigs

Answer 9

• Significant:
  
  • Zeros between non-zeros
  • Zeros at the end of a number and right of decimal
  • End of a number and left of decimal place
• Nonsignificant:
  
  • Zeros infront of nonzeros