A wire of length L1=30cm has a fixed end and the other end is welded to another wire, whose linear mass density is 4 times smaller. The second wire passes over a pulley and a mass of 10kg is suspended from its other end.The distance L2 between the welding point and the pulley is 80 cm. A standing wave is produced in the composite wire, whose ends on the left wall and on the pulley remain fixed.If the frequency is as low as possible and there is a node at the weld spot, what is the number of nodes in this standing wave, including nodes on the left wall and on the pulley? a)3 b)4 c)5 d)6 e)7 f)8 g)9 h)10 i)11 j)12 k)13 l)14 m)15
A wire of length L1=30cm has a fixed end and the other end is welded to another wire, whose linear mass density is 4 times smaller. The second wire passes over a pulley and a mass of 10kg is suspended from its other end.The distance L2 between the welding point and the pulley is 80 cm. A standing wave is produced in the composite wire, whose ends on the left wall and on the pulley remain fixed.If the frequency is as low as possible and there is a node at the weld spot, what is the number of nodes in this standing wave, including nodes on the left wall and on the pulley? a)3 b)4 c)5 d)6 e)7 f)8 g)9 h)10 i)11 j)12 k)13 l)14 m)15
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A wire of length L1=30cm has a fixed end and the other end is welded to another wire, whose linear mass density is 4 times smaller. The second wire passes over a pulley and a mass of 10kg is suspended from its other end.The distance L2 between the welding point and the pulley is 80 cm. A standing wave is produced in the composite wire, whose ends on the left wall and on the pulley remain fixed.If the frequency is as low as possible and there is a node at the weld spot, what is the number of nodes in this standing wave, including nodes on the left wall and on the pulley?
a)3
b)4
c)5
d)6
e)7
f)8
g)9
h)10
i)11
j)12
k)13
l)14
m)15
Transcribed Image Text:-L2-
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