PHYS 1.3 Formative

Match the SI base units

• second

• time

• kilogram

• mass

• meter

• length

What does the prefix kilo (k) mean?

• 1000

• 100

• 10

• 10,000

Which of the following is true of these two measurements: 25 km and 1.25 cm.

• they have the same dimension, but different units

• they have the same unit, but different dimension

• they have the same units and dimension

• they have different units and dimension

Which SI prefix means one thousandth or, 10^-3?

• milli (m)

• centi (c)

• kilo (k)

• deci (d)

How many watts would be in one megawatt?

• 1,000,000 W

• 100,000 W

• 1,000,000,000 W

• 10,000 W