saplinglearning.com/ibiscms/mod/ibis/view.php?id 4451483 HW: Work and Energy ate

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saplinglearning.com/ibiscms/mod/ibis/view.php?id 4451483 HW: Work and Energy ate University-PHYS 113-Fall 7-HORTON-SMITH Activities (ibis) and Due Dates o 9/29/2017 06:00 PM433/ 100 () 9/26/2017 10:43 PM Table Print Caladator- Periodic Table @caki.ar Question 19 of 21 Map Sapling Learning speed v. At the moment it is released, the ball is a mounted platform, as shown in the figure below. The ball rises, peaks, and falls back A ball of unknown mass m is tossed straight up with initial toward the platform, ultimately compressing the spring a maximum distance d from What is the mass m, assuming that there is go friction or its relaxed position. Assume s perfectly ideal with spring constant K, and that the mass of the spring and platform is negligible. air resistance? Using g to represent the acceleration due to an expression for m in terms of g, h, d, k, and v nt O Previous 9 Check Answer 0 Next Hint Exit about us career earch

Explanation / Answer

By conservation of energy,

0.5 mv^2 + mg(h+d) = 0.5 kd^2

m*( 0.5 v^2 + gh + gd) = 0.5kd^2

m = kd^2 /(v^2 + 2gh +2gd)

  

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