7. A billiard ball is measured to have a diameter of 57 mm. If the density of the billiard ball is 1720 kg/m³. What is its weight in newtons? a. 1.64 b. 2.41 c. d. 3.15 4.23 8. Two vectors A and B have magnitude and directions of: 20 units @ 30 deg upward to the right and 40 units @ 45 deg upward to the left. Determine the magnitude of their resultant. a. 39.8 b. 42.7 c. 46.6 d. 50.9

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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7. A billiard ball is measured to have a diameter of 57 mm. If the density of the billiard ball is 1720 kg/m³.
What is its weight in newtons?
1.64
2.41
a.
b.
C.
d.
a. 39.8
b. 42.7
8. Two vectors A and B have magnitude and directions of: 20 units @ 30 deg upward to the right and 40 units
@ 45 deg upward to the left. Determine the magnitude of their resultant.
3.15
4.23
C.
d.
46.6
50.9
Transcribed Image Text:7. A billiard ball is measured to have a diameter of 57 mm. If the density of the billiard ball is 1720 kg/m³. What is its weight in newtons? 1.64 2.41 a. b. C. d. a. 39.8 b. 42.7 8. Two vectors A and B have magnitude and directions of: 20 units @ 30 deg upward to the right and 40 units @ 45 deg upward to the left. Determine the magnitude of their resultant. 3.15 4.23 C. d. 46.6 50.9
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