Exam 1: Representing Motion

The following conversion equivalents are given: 1.00 gal = 231 $i n ^ { 3 }$ 1.0 ft = 12 in 1.0 min = 60 s If a pipe delivers water at the rate of 95 gal/min, its rate of flow in ft³/s is closest to

A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)

Wall posters are usually sold curled up in cylindrical cardboard tubes. If the length of the tube is 84.5 cm, and the inside diameter of the tube is 2.40 cm, what is the area of the poster expressed to the correct number of significant figures? (Assume the poster is just as long as the tube and does not overlap itself.)

A typical ruby-throated hummingbird is 8 cm long. Express its length in millimeters and micrometers (µm).

A dog has three puppies. Spot weighs 12 ounces. Rascal weighs 9.5 ounces. Socks weighs 10.2 ounces. What is the total weight of the litter expressed to the correct number of significant figures?

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

What is $\frac { 0.674 } { 0.74 }$ expressed to the correct number of significant figures?

A person on a diet loses $1.6 \mathrm {~kg}$ in a week. How many micrograms per second (μg/s) are lost?

If a circle has a radius of 1.109 m, what is its area expressed to the correct number of significant figures?

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as

What is 0.205^2/3, to the correct number of significant figures?

There are 2.00 dry pints to 1.00 dry quart, 8.00 dry quarts to 1.00 peck, 4.00 pecks to 1.00 bushel. An organic farmer wants to pick enough berries to fill 40,000 pint containers. How many bushels of berries does the farmer need?

Which of the following speeds is greatest? (2.54 cm = 1.00 in.)

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

What is $\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }$ expressed to the correct number of significant figures?

In the product A ∙ B ∙ C, A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the product have?

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

In a country where the unit of currency is the Passi, kerosene costs 130 Passi per liter, and one dollar buys 227 Passi. What is the cost of kerosene in dollars per gallon? (1.00 gal = 3.79 L)

A weight lifter can bench press $171 \mathrm {~kg} .$ How many milligrams is this?

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?