Physics Unit 1 Review

Question 1

What is 11.0 	imes 100? (sig figs count)

Accepted Answer

100

Question 2

If I am 5.0 ft 8.0 in, how tall am I in meters?

Accepted Answer

1.8 m

Question 3

What is the definition of a hypothesis?

Accepted Answer

a possible explanation, an educated guess

Question 4

What is 11.3 mg + 8.05 g + 0.00530 kg

Accepted Answer

13.4 g

Question 5

Which of the following is NOT a unit in the metric system?

Accepted Answer

Ounces

Question 6

How many sig figs are present in the following: 0.0050250 km

Accepted Answer

5

Question 7

Round the following to 3 sig figs: 1.858

Accepted Answer

1.86

Question 8

Physics uses equations, laws, and theories to explain what?

Accepted Answer

Both

Question 9

Convert 1.001 g/cm3 to kg/m3

Accepted Answer

1001 kg/m3

Question 10

Expand the following out of scientific notation: 3.02 * 10-3

Accepted Answer

0.00302

Question 11

If we spend about 6.0 hours a day in school, how many seconds per week do we spend in school? (sig figs count)

Accepted Answer

150000 seconds/week

Question 12

If each girl in the school gets 1 rose on Valentine's Day and there are 200 girls, how many dozen roses do I need?

Accepted Answer

17 dozen

Question 13

How many sig figs are in the following: 1.040 kg

Accepted Answer

4

Questions 13