Physics Measurement and Calculations

Front

Convert 22.5 E-4 g to mg

Back

2.25 mg

Front

Which of these metric prefixes is largest? (kilo, milli, femto, pico)

Back

kilo

Front

What is the unit of time in physics? (Include an 's' on the end as they are usually plural in physics)

Back

seconds

Front

What should every numerical value in physics have? (Use the plural, please)

Back

units

Front

In the lab, you and your partner are recording the masses of some steel washers. The values you get are: 5.83 g, 5.86 g, 5.90 g, and 5.84 g. What is the average to the correct number of significant digits?

Back

5.86 g because the values all have 3 SD

Front

What is the metric prefix for 10^3?

Back

kilo

Front

What is the metric prefix for 10^-3?

Back

milli

Front

What is the significance of significant figures in measurements?

Back

They indicate the precision of a measurement.

Front

How do you convert grams to milligrams?

Back

Multiply by 1000.

Front

What is the formula for calculating average?

Back

(Sum of values) / (Number of values)