Multiple Step Dimensional Analysis Problems

How many minutes are in a year?

• I can't count that high.
• 525,600min
• 52,560min
• 31,536,000min

How many inches are in 1 mile? (5280ft = 1mi; 12in = 1ft)

• 66330in

• 63360in

• 63660in

• 63066in

How many seconds are in a day?

• I have seconds at every meal.

• 1440sec

• 86,400sec

• 84,600sec

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)

• 1.10 kg

• 78.5 kg

• 110 kg

• 78500 kg

A passenger jet has a speed of 900 km/h.
What is its speed in m/s?
(1 km = 1000 m)

• 250 m/s
• 324 m/s
• 1,500 m/s
• 2,500 m/s

What unit should be in the denominator of the conversion factor?

• yards
• leagues
• feet
• fathoms

What unit should be in the numerator of the conversion factor?

• yards
• leagues
• feet
• fathoms

How many yards are in 1 mile? (3 ft = 1 yd) (5280 ft = 1 mi)

• 1670yds

• 5280yd

• 1760yds

• 5820yds

The technique of converting between measurements is called dimensional analysis.

• True
• False

A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)

• 21.6 km/h
• 16.67 km/h
• 2.16 km/h
• 1.67 km/h