C. A 60 lb ball is dropped from a height of 48ft. What is the velocity of the ball just before impact? a. 9.8 ft/s b. 55.6 ft/s c. 39.3 ft/s d. 31 ft/s

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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ASAP,  answer A, B and C,  I will LIKE if all are answered.  Thanks

A. The mass moment of inertia of a cylinder about its central axis perpendicular to a circular cross section is

a. Directly proportional to its radius
b. Directly proportional to its length
c. Independent of its radius
d. Independent of its length
 
B. A projectile is thrown with a speed of 120ft/sec in a direction 41 degrees above the horizontal. Determine the highest point to which it rises ymax.
A. 90.25
B. 102.14
C. 103.17
D. 96.24
 
C. A 60 lb ball is dropped from a height of 48ft. What is the velocity of the ball just before impact?
a. 9.8 ft/s
b. 55.6 ft/s
c. 39.3 ft/s
d. 31 ft/s
 
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