A pitcher claims he can throw a $0\mathrm{.}144-$kg baseball with as much momentum as a $3\mathrm{.}42-$g bullet moving with a speed of $1\mathrm{.}50103$ m$/$s$.$

$($a$)$ What must the baseball's speed be if the pitcher's claim is valid?

m$/$s

$($b$)$ Which has greater kinetic energy, the ball or the bullet?

Both have the same kinetic energy.The bullet has greater kinetic energy.$$The ball has greater kinetic energy.