1. Intro to Physics Units

Unit Conversions

1. Intro to Physics Units

# Unit Conversions - Video Tutorials & Practice Problems

On a tight schedule?

Get a 10 bullets summary of the topic1

concept

## Unit Conversions

Video duration:

7mPlay a video:

2

Problem

ProblemConvert 850 ft to km.

A

259 km

B

0.259 km

C

2.79 × 10

^{6}kmD

2.79 km

3

Problem

ProblemThe speed of light is approximately 3.00×10^{8} m/s. Convert this speed to yards/week (yd/wk).

A

1.84×10

^{13}yd/wkB

1.98×10

^{14}yd/wkC

1.78×10

^{15}yd/wkD

1.8×10

^{7}yd/wk4

Problem

ProblemHow many gallons are in 1 cubic meter (m^{3})?

A

2639

B

3790

C

263.9

D

37.9

## Do you want more practice?

We have more practice problems on Unit Conversions

Additional resources for Unit Conversions

PRACTICE PROBLEMS AND ACTIVITIES (27)

- Convert the following to basic SI units or a combination of basic SI units: (d) 2.2 x 10^4 mi^2
- Using the approximate conversion factors in Table 1.5, convert the following SI units to English units without...
- Convert the following to basic SI units or a combination of basic SI units: (c) 62 ft/day
- Bacteria vary in size, but a diameter of 2.0μm is not unusual. What are the volume (in cubic centimeters) and ...
- According to the label on a bottle of salad dressing, the volume of the contents is 0.473 liter (L). Using onl...
- (d) The RDA for the trace element selenium is 0.000070 g/day. Express this dose in mg/day.
- A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). (a) If you are drivi...
- While driving in an exotic foreign land, you see a speed limit sign that reads 180,000 furlongs per fortnight....
- The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray developed 360 horsepower ...
- The density of gold is 19.3 g/cm3. What is this value in kilograms per cubic meter?
- How many nanoseconds does it take light to travel 1.00 ft in vacuum? (This result is a useful quantity to reme...
- Starting with the definition 1 in. = 2.54 cm, find the number of (a) kilometers in 1.00 mile
- Express the following angles in radians: 45.0°. Give as numerical values and as fractions of π.
- A square field measuring 100.0 m by 100.0 m has an area of 1.00 hectare. An acre has an area of 43,600 ft2. If...
- An intravenous saline drip has 9.0 g of sodium chloride per liter of water. By definition, 1 mL = 1 cm³. Expre...
- The platter of the hard drive of a computer rotates at 7200 rpm (rpm = revolutions per minute = rev/min). What...
- (II) An average active person consumes about 2500 Cal a day. (a) What is this in joules? (b) What is this in k...
- Determine the conversion factor between km/h and m/s.
- How many years are there in 1.00 second?
- What is the conversion factor between ft² and yd²
- A light-year is the distance light travels in one year (at speed = 2.998 x 10⁸ m/s). How many meters are there...
- How much longer (percentage) is a one-mile race than a 1500-m race ('the metric mile')?
- A passenger jet uses about 12 liters of fuel per km of flight. What is that value expressed as miles per gallo...
- American football uses a field that is 100.0 yd long, whereas a soccer field is 100.0 m long. Which field is l...
- Computer chips (Fig. 1–15) can be etched on circular silicon wafers of thickness 0.300 mm that are sliced from...
- An angstrom (symbol Å) is a unit of length, defined as 10-10, which is on the order of the diameter of an atom...
- Noah's ark was ordered to be 300 cubits long, 50 cubits wide, and 30 cubits high. The cubit was a unit of meas...