Deck 7: Length and Length-Related Parameters

Question 1

How many meters are there in one nanometer?

Answer 1

D

Question 2

Calculate the paint thickness if 2 liters of paint covers a wall 3 meters high by 10 meters
long.Use appropriate units.

Answer 2

Question 3

If you were to measure the cross section of a you would find it to be 35 mm wide by 85 mm tall.What are the numbers " called?

Answer 3

B

Question 4

How much would it cost to cover a football field with one-dollar bills?

Question 5

If you were to measure the cross section of a you would find it to be 35 millimeters wide by 85 millimeters tall.What are the numbers "1.5 inches by 3.5 inches" called?

A)Actual size
B)Nominal size
C)Finished size
D)Total size

Question 6

Length is one of the seven fundamental dimensions.

Question 7

Which of the following are "length" or "length-related" dimensions? (Circle all that apply):

A)Distance
B)Displacement
C)Area
D)Volume
E)Radius
F)All of the above

Question 8

How many millimeters are there in one meter?

Question 9

How many cubic centimeters are there in a cubic meter?

Question 10

How many sheets of notebook paper would it take to cover a football field?

Question 11

Which of the following coordinate systems is most common:

A)rectangular
B)cylindrical
C)spherical
D)polar

Question 12

How many meters are there in one centimeter?

Question 13

Estimate the number of McDonald's fries, laid end-to-end, it would take to circumscribe
Earth.

Question 14

How many nanometers are there in one meter?

Question 15

How many meters are there in one millimeter?

Question 16

What is the difference between "nominal" size and "actual" size?

Question 17

Another name for rectangular coordinate system is

A)polar coordinate system
B)cylindrical coordinate system
C)square coordinate system
D)Cartesian coordinate system

Question 18

Estimate the number of ping pong balls that would fit in this classroom.Assume all
furniture, fixtures, etc.are removed from the room.

Question 19

How many square centimeters are there in a square meter?

Question 20

How many centimeters are there in one meter?

Question 21

In the spring of 2010 an off-shore oil drilling rig exploded in the Gulf of Mexico.Not long
after the explosion there was a 2mm thick oil slick that was 8 km long by 5 km wide.How
much oil was in the slick? Express your answer in liters.

Question 22

There are 100 hectares in a square kilometer.How many square kilometers are there in 12.5 hectares?

Question 23

Question 24

While changing oil in your motorcycle you notice that you need 2 quarts and 6 ounces of oil,
but you're using a metric graduated cylinder to measure the oil.How many milliliters of oil do
you need?

Question 25

There's enough concrete in the Hoover dam to build a 2-lane highway from Seattle to Miami.
Estimate the volume of concrete in the Hoover dam.Express your answer in cubic meters.

Question 26

Estimate the area of the bottom of your shoe.Use this estimate to calculate the pressure you
exert on the floor while standing on one foot.(Express your answer in kPa).

Question 27

A 50kg woman balances on one heel of a pair of high-heeled shoes.If the heel is circular
and has a diameter of 1cm , what pressure does she exert on the floor? (Express your answer in
kPa).

Question 28

Estimate the number of banks in the U.S.

Question 29

The strength of a tree branch is approximately proportional to its cross-sectional area while
its weight is proportional to its volume.If you "scale up" a tree branch by a factor of two
(double all of its linear dimensions) by what factor is its strength increased? By what factor is its
weight increased?

Question 30

Question 31

An 4-meter tall vertical stack of firewood casts a 6-meter shadow on horizontal ground. What is the angle of the sun in the horizon?

Question 32

Describe why crushed ice cools your beverage faster than larger ice cubes.

Question 33

Distance between sound wave pulses is most closely associated with a sound wave's

A)pitch
B)amplitude
C)wavelength
D)frequency

Question 34

A car travels 560km while consuming 60,000 cc of petrol (gasoline).What is the car's gas
consumption in km/l?

Question 35

A motorcycle has a magnet attached to the rim of its front wheel.The front tire has a diameter of 60cm .A magnetic pickup is attached to the front forks and receives an electronic
Pulse each time the magnet passes by.How far has the motorcycle traveled when the pickup has
Received 10 pulses?

Question 36

A certain sport utility vehicle is equipped with 425 mm (which correspond to a tire diameter
of 650 mm).The vehicle is later upgraded to the 475 mm (which correspond to a tire diameter of
700 mm).If the onboard computer is not reset for the new tires, the odometer will not be
accurate.When the odometer indicates that you have driven 1000 kilometers on the new tires,
how many miles have you actually driven? (Round your answer to the nearest kilometer.)

Question 37

Loudness is most closely associated with a sound wave's

A)pitch
B)amplitude
C)wavelength
D)frequency

Question 38

Which exerts more pressure on the ground - an elephant or a lady standing on spike heels?
Defend your answer by approximating a rough calculation for each.

Question 39

Question 40

Explain why snowshoes allow a person to walk on top of the snow without sinking in.

Question 41

If an object is completely submerged in a fluid, its buoyant force is always equal to

A)the weight of the object
B)the volume of the fluid displaced
C)the weight of the fluid displaced
D)the density of the fluid displaced

Question 42

The second moment of area provides information about an object's

A)ability to resist bending
B)ability to resist wear
C)ability to absorb light
D)ability to reflect light

Question 43

A rubber ball has a diameter of 5 cm.What is its volume?

Question 44

A certain unsharpened cylindrical #2 pencil is 6.25 mm in diameter and 25.5 mm long.What is the pencil's volume?

Question 45

Your neighbor is digging a hole in his back yard for an in-ground swimming pool.The rectangular hole is 7000 mm wide, 14,000 mm long, and 4000 mm deep.If his pickup truck can
Haul one cubic meter, how many trips will it take him to haul all of the dirt away?

Question 46

A certain unsharpened cylindrical #2 pencil is 6.25 mm in diameter and 25.5 mm long.What is the pencil's surface area?

Question 47

A rubber ball has a diameter of 8 cm.What is its surface area?

Question 48

Shown below are two beams both made from a standard 2 x 8.If each beam is supported at both ends and a vertical load were placed in the middle of the beam, which beam would offer
More resistance to bending?