Spring shoes. Tae-Hyuk Yoon of South Korea is the inventor of a novel method of human lo...

Spring shoes. Tae-Hyuk Yoon of South Korea is the inventor of a novel method of human locomotion: the Poweriser spring boot shown in Figure P6.94. Promotional materials claim that an 80-kg man can jump up to 2 m high while wearing these devices. Estimate the spring constant of the leaf springs on the Poweriser. The maximum compression can be estimated from the figure.