Physics 011
HW#:1
Chapter 1: Introduction
Practice
Questions

A kilogram is 


10^{3}
grams. 


10^{3}
grams. 


10^{6}
grams. 


10
grams. 




A centimeter is 


100
meters. 


10
meters. 


.1
meters. 


.01
meters. 




A megawatt is 


10^{6}
watts. 


10^{3}
watts. 


10^{3}
watts. 


10^{6}
watts. 




A nanosecond is 


10^{3}
seconds. 


10^{6}
seconds. 


10^{9}
seconds. 


10^{12}
seconds. 




A kilometer is 


greater
than a mile. 


less
than a mile. 


about
the size of a football field. 


less
than a football field. 




All of the following are base units of the SI system except: 


kilogram. 


kelvin. 


meter. 


pound 




The SI prefix for 10^{12} is 


tera 


giga 


nano 


pico 




Given (1 angstrom unit = 10^{10} m) and (1 fermi = 10^{15} m), what is the relationship between these units? 


1
angstrom = 10^{5} fermi 


1
angstrom = 10^{5} fermi 


1
angstrom = 10^{25} fermi 


1
angstrom = 10^{+25} fermi 




Convert 0.75 kilometers to meters. 


7500
m 


750
m 


75
m 


7.5
m 




Convert 0.0215 m to mm. 


0.215
mm 


2.15
mm 


21.5
mm 


215
mm 




Add 321.475, 42.500, and 2.25, and round properly. 


366 


366.22 


366.23 


366.225 




Multiply 12.75 times 4.375 and round properly. 


55.78125 


55.78 


55.8 


56.0 




How many common house flies can fit one layer deep on a 3 inch by 5 inch card (to 1 significant figure)? 


50 


200 


1000 


5000 




What is the mass of a common house fly? 


1
ounce 


10
grams 


1
gram 


.01
grams 




What is the speed, to one significant figure, of a common house fly in ordinary flight? 


1
cm/sec 


10
cm/sec 


100
cm/sec 


100
meters/sec 




The number 9452 in scientific notation is 


9.452x10^{2} 


94.52x10^{2} 


.9452x10^{4} 


9.452x10^{3} 




The number .0000475 in scientific notation is 


4.75x10^{6} 


4.75x10^{5} 


4.75x10^{4} 


4.75x10^{3} 




What does 1.23 + 2.50x10^{3} equal? 


1.23 


1.2324 


1.232 


1.233 




The volume of a sphere of radius R is 
















The surface area of a sphere of radius R is 
















The area of a circle of radius R is 
















The circumference of a circle of radius R is 
















The diagonal of a square 2.0 meters on a side is 


2.0
m. 


2.8
m. 


2.82
m 


8
m. 




The area of a right triangle of base, "b", and height, "h", is 


b*h 


b*h/2 


2*b*h 


sqrt(b^{2}+h^{2}) 




A 10 L container has a volume expressed in m^{3} of 


.1
m^{3} 


.01
m^{3} 


.001
m^{3} 


.0001
m^{3} 