[填空题]
What is the magnitudexk)chhf;v )( ap4,v wh,v7e f+pnnbv+ of the acceleration of a speck of clay ok pv v8+-qi;s;h8e t1 ajkq-gd qh;;hnn the edge of a potter’s wheel turning v j;ag8-eq+ip;k qh thsn; d;v8-k1q hat 45 rpm (revolutions per minute) if the wheel’s diameter is 32 cm?
