$4$

Multiple Choice

$1$ point

An explosive block initially at rest of mass $4$ kg is exploded in $2$ unequal parts: One part with a mass $3$ kg is traveling at a velocity of $-2\frac{m}{s}.$ What will the velocity of the $2$ nd block

$+6\frac{m}{s}$

$0\frac{m}{s}$

$-0\mathrm{.}67\frac{m}{s}$

$1\mathrm{.}5\frac{m}{s}$

$-2\frac{m}{s}$