100 coins, each with a Head and a Tail, are tossed randomly onto a table. A microstate is defined as the number of Heads that appear after the toss. What is the value for the number of Heads that has the most number of microstates?
A. 95
B. 75
C. 60
D. 50
D. 50
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How much heat is required to change one gram of 0°C ice to 120°C steam?
A) 48.7 cal B) 120 cal C) 540 cal D) 730 cal E) 1505 cal
How do humans use their eyes to measure relative distance by parallax?
a. By continuously focusing our eyes on distant objects, we can determine distance. b. Since our eyes are separated, the brain interprets the relative look angles of these eyes in terms of distance to the object viewed. c. Our eyes can measure the time it takes light to travel from an object and from this we get distance. d. By moving our heads from side to side our brain compares look angles from each of these positions to obtain the distance to the object viewed.
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. The narrow section is 10.0 m from the wide section and the narrow section is higher than the wide section. The velocity of the fluid in the wide section of the pipe is 4.00 m/s and the velocity of the fluid in the narrow section of pipe is 9.00 m/s. The pressure of the fluid in the wide section is 250 kPa. What is the pressure in the narrow section of the pipe? (density of the fluid is 1000 
A. 169 kPa B. 175 kPa C. 180 kPa D. 193 kPa E. 205 kPa
at point b? 
A. ?0 I/4?R B. ?0 I/2?R C. ?0 I/?R D. ?0 I/R E. (2 + ?)?0 I/4?R F. Zero