Brainscape Conversions

Question 1

Convert the

Answer 1

The lightest smart phone is currently the Samsung Galaxy S4 mini at 107,000mg. Convert this mass to grams.

Question 2

Jamaica\s Usain Bolt is the world record holder for the 100m

Answer 2

Jamaica’s Usain Bolt is the world record holder for the 100m sprint. In 2009, Bolt ran this sprint in 9.58s. What was his average speed for the sprint in miles per hour? Assume 100m has 3 significant figures. There are 2.54cm per inch and 5,280ft per mile.

Question 3

An American football field has an area of 6,400yd2. How many

Answer 3

An American football field has an area of 6,400yd^₂. How many acres is the field, given that 1 acre = 43,560ft²?

Question 4

As of 2013, the highest calorie burger in America is the

Answer 4

As of 2013, the highest Calorie burger in America is the Chili’s Jalepeno Smokehouse Bacon Burger, with a staggering 1,910 Calories. How long (in hours) would it take a 185lb person to work off this burger by mowing the lawn with a push mower? (Harvard Medical School says this activity burns 244 Calories per 30 minutes for a 185lb person).

Question 5

The FDA rec

Answer 5

The FDA recommends 80µg of vitamin K per day. How many cg of vitamin K is this?

Question 6

Imagine a cube that is 1 foot long on each side.

Answer 6

Imagine a box that is 0.30cm on each side. What is the volume of the box in gallons? Note that 1 gallon = 231in³.

Question 7

Iodine is the most dense non-metallic element, with a densit

Answer 7

Iodine is the most dense non-metallic element, with a density of 4.93g/cm³ at 20°C. What would be the mass (in grams) of a sample of iodine whose volume is 3.2cm³?

Question 8

The speed of light is 3.00 x 108m/s. How far will light trav

Answer 8

The speed of light is 3.00 x 10⁸m/s. How many meters will light travel in a billionth of a second (1.0ns)?

Question 9

Gheorghe

Answer 9

Gheorghe Muresan is considered to be the tallest NBA player of all time, at 2.31m. How many inches tall was he? 1in = 2.54cm.

Bonus: What was his height in feet and inches?

Question 10

Copper has a density of

Answer 10

Copper has a density of 8.96g/cm³ at 20°C. Convert this density to units of pounds per cubic inch. 2.54cm=1in, 2.2lbs = 1kg.

Question 11

BTU\s (British Thermal Units) are energy units commonly used

Answer 11

BTU’s (British Thermal Units) are energy units commonly used to rate the cooling ability of an air conditioner. 1 BTU is defined as the amount of energy needed to raise 1lb of water 1°F. For a 320ft² room, an 8,000BTU air conditioner is recommended.

Question 12

Convert the

Answer 12

Convert the appromixate flight distance from Washington D.C. to London (5,915km) to meters.

Question 13

It is estimated that the Atlantic Ocean seafloor is widening

Answer 13

It is estimated that the Atlantic Ocean seafloor is widening at a rate of 2.0cm/year. What is the rate of seafloor spreading in feet per millenium? 1 millenium = 1,000 years.

Question 14

A cylindrical travel mug is 17.0cm tall and has a diameter o

Answer 14

A cylindrical travel mug is 17.0cm tall and has a diameter of 6.5cm. What is the volume of the mug in liters? For a cylinder, V=πr²h.

Question 15

The cubit is a unit of length based upon the distance from t

Answer 15

The cubit is a unit of length based upon the distance from the elbow to the tip of the middle finger. It is widely accepted that 1 cubit = 18 inches. According to Genesis, Noah’s Ark was 300. cubits in length. How many yards long was this boat?

Question 16

A package of 30 Fig Newtons is labeled as being

Answer 16

A package of 26 Fig Newtons is labeled as being 14 ounces (oz). If there are 4.448N per pound, how many N is one Fig Newton? There are 16 ounces in a pound.

Question 17

The sun has an estimated mass of

Answer 17

The sun has an estimated mass of 1.989x10³⁰kg. How many Exagrams is this equal to?

Question 18

Monaco is the 2nd smallest nation on Earth, but ranks 1st in

Answer 18

Monaco is the 2nd smallest soverign nation on Earth, but ranks 1st in terms of population density. As of February, 2006, Monaco’s population density was 180.05 people per hectare (ha). If the United States had this population density, what would its population be (the U.S. has a land area of about 3,794,000mi², 1 km² = 100 hectares, 2.54cm = 1in, and 5280ft = 1mi.

Question 19

Gold bars are

Answer 19

Gold bars are made into bars that are 8,000. pennyweights. If 1 pennyweight (dwt) = 0.05 troy ounces, and 31.1034768g = 1 troy ounce, how many pounds is the bar of gold? 1kg = 2.2lbs.

Question 20

One of Belgium\s

Answer 20

One of Belgium’s nuclear power plan units has a peak power output of 1.04GW (gigawatts). Convert this to kilowatts (kW).