A weight of 40 N is placed on a horizontal plane touching one end of a horizontal spring whose other end is in contact with the vertical wall. The weight is moved toward the wall compressing the spring 0.20 m. The spring is then released causing the weight to be projected away from the wall. The scale of the spring is 5.00 and the kinetic friction is 10 N. Which of the following most nearly gives the velocity of the weight when the spring regains its normal length? a) 5.34 c) 8.37- sec e) 6.03 sec sec b) 7.14- d) 6.93

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A weight of 40 N is placed on a horizontal plane touching one end of a horizontal spring whose other
end is in contact with the vertical wall. The weight is moved toward the wall compressing the spring
0.20 m. The spring is then released causing the weight to be projected away from the wall. The scale of
the spring is 5.00 and the kinetic friction is 10 N. Which of the following most nearly gives the
mm
velocity of the weight when the spring regains its normal length?
a) 5.34
sec
c) 8.37
e) 6.03
sec
sec
b) 7.14
d) 6.93
fec
Transcribed Image Text:A weight of 40 N is placed on a horizontal plane touching one end of a horizontal spring whose other end is in contact with the vertical wall. The weight is moved toward the wall compressing the spring 0.20 m. The spring is then released causing the weight to be projected away from the wall. The scale of the spring is 5.00 and the kinetic friction is 10 N. Which of the following most nearly gives the mm velocity of the weight when the spring regains its normal length? a) 5.34 sec c) 8.37 e) 6.03 sec sec b) 7.14 d) 6.93 fec
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