Shot put: A shot - put is a metallic

A shot - put is a metallic sphere of radius 4.9 cm. If the density of the metal is 7.8 g per cm 3, find the mass of the shot - put . (Take π=22/7) Since the shot - put is a solid sphere made of metal and its mass is equal to the product of its volume and density, we need to find the volume of the sphere. 铅球的英语是shot。 shot put ; putting the shot 推铅球 shot的例句 1、A popular traditional sport is the digor, a type of shot put . 一种很普遍的传统运动是digor，是推铅球的一种类型。 2、They tied for the third place in the shot put . 他们在推铅球项目中并列第三。 3、Development and Application of an Electronic Measure Instrument for Shot-putting Result. 铅球成绩电子测量仪的研制及应用 4、An analysis of juvenile athletes' standing ... 例句： 1、霍姆斯赛跑表现不错，获得了金牌。 Holmes ran a fine race to take the gold medal. 2、她跳高得了银牌。 She won a silver medal in the high jump. 3、父亲节那天，杜格获得了铅球赛的铜牌。 Doug won a bronze medal in shot put that day.