A shot of mass m penetrates a thickness t of a fixed plate of mass M. If the plate were free to move and the resistance supposed to be uniform, which one of the following is the thickness penetrated ?

A shot of mass m penetrates a thickness t of a fixed plate of mass M.

1.	A shot of mass m penetrates a thickness t of a fixed plate of mass M. If the plate were free to move and the resistance supposed to be uniform, which one of the following is the thickness penetrated ?
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].

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A shot of mass m penetrates a thickness t of a fixed plate of mass M. If the plate were free to move and the resistance supposed to be uniform, which one of the following is the thickness penetrated ?

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