A $1\mathrm{.}0-$kg ball on the end of a string is whirled at a constant speed of $10\mathrm{.}0($m$)/($s$)$ in a

horizontal circle of radius $1\mathrm{.}5$ m $.$ What is the work done by the centripetal force during

the first ten seconds? Account for your answer.

A$,2\mathrm{.}7$J

C$,6\mathrm{.}0$J

D