{ "item_title" : "The Science of Snow Sports", "item_author" : [" M. Schottenbauer "], "item_description" : "This book contains graphs showing the motion of scale models of skis and a snowboard as they travel on curved inclines. The surfaces, including slightly abraded HDPE/plastic and sheet metal, simulate Alpine slopes and a ski jump of different heights and shapes. A series of comparison graphs also show the motion of a set of wood blocks, a cylinder, and rubber ball, on similar curved surfaces. These comparison objects are also tested on a U-shaped, slightly abraded HDPE/plastic surface, such that the motion of the cylinder and rubber ball simulate oscillating movement reminiscent of the motion of a snowboarder in a half-pipe, although the model contains low, gradually sloping walls. These data can be used for lesson plans by teachers and parents.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/50/881/650/1508816506_b.jpg", "price_data" : { "retail_price" : "17.00", "online_price" : "17.00", "our_price" : "17.00", "club_price" : "17.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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