The 13.9-in. spring is compressed to a 8.9-in. length, where it is released from rest and accelerates the sliding block A. The acceleration has an initial value of 370 ft/sec² and then decreases linearly with the x-movement of the block, reaching zero when the spring regains its original 13.9-in.length. Calculate the time t for the block to go (a) 2.5 in. and (b) 5.0 in. 8.9 -13.9" wwwwwww

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The 13.9-in. spring is compressed to a 8.9-in. length, where it is released from rest and accelerates the sliding block A. The acceleration
has an initial value of 370 ft/sec² and then decreases linearly with the x-movement of the block, reaching zero when the spring regains
its original 13.9-in. length. Calculate the time t for the block to go (a) 2.5 in. and (b) 5.0 in.
-8.9"
-13.9"
Answers:
To go 2.5 in., ti 3.30
To go 5.0 in., t =
---r
i
2.50
sec
sec
Transcribed Image Text:* Incorrect The 13.9-in. spring is compressed to a 8.9-in. length, where it is released from rest and accelerates the sliding block A. The acceleration has an initial value of 370 ft/sec² and then decreases linearly with the x-movement of the block, reaching zero when the spring regains its original 13.9-in. length. Calculate the time t for the block to go (a) 2.5 in. and (b) 5.0 in. -8.9" -13.9" Answers: To go 2.5 in., ti 3.30 To go 5.0 in., t = ---r i 2.50 sec sec
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