Q2: A bullet (i ala) 2 cm long is fired at 420 m's and passes straight through a 10 cm thíck wooden-board, penetrate (aa) at 280 m's. Bullet wooden board (a) What is the average acceleration of the bullet through the board? (b) What is the total time that the bullet is in contact with the board? (e) What minimun thickness could the board have if it was supposed the buller?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q2:
A bullet y aln) 2 cm long is fired at 420 m/s and passes straight through a 10
cm thick wooden-board, penetrate ( ) at 280 m/s .
Bullet
wooden
board
(a) What is the average acceleration of the bullet through the board?
(b) What is the total time that the bullet is in contact with the board?
(c) What minimun thickness could the board have if it was supposed the buller?
Transcribed Image Text:Q2: A bullet y aln) 2 cm long is fired at 420 m/s and passes straight through a 10 cm thick wooden-board, penetrate ( ) at 280 m/s . Bullet wooden board (a) What is the average acceleration of the bullet through the board? (b) What is the total time that the bullet is in contact with the board? (c) What minimun thickness could the board have if it was supposed the buller?
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