Consider the following two statements
$1.$ Linear momentum of a system of particles is zero
$2.$ Kinetic energy of a system of particles is zeroThen
Consider the following two statements
$1.$ Linear momentum of a system of particles is zero
$2.$ Kinetic energy of a system of particles is zeroThen
- [AIEEE 2003]
- A
$1$ implies $2$ and $2$ implies $1$
- B
$1$ does not imply $2$ and $2$ does not imply $1$
- C
$1$ implies $2$ but $2$ does not imply $1$
- D
$1$ does not imply $2$ but $2$ implies $1$
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A rifle bullet loses $1/20^{th}$ of its velocity in passing through a wooden plank. The least number of planks required to stop the bullet is :-
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