Question

The player sets up the slapshot, during the shot the 700 g stick is raised high, then slaps the ice near the puck in such a way that the stick bends and stores energy like a spring, so as to transfer even more energy to the puck. The stick starts at a height of 2.00 m. The player then brings the stick down with a constant force over that distance. Just before the puck is hit, the stick has a velocity of 12.6 m/s and is bent. All of that energy transfers into the puck (assume there is no follow-through), which travels at a velocity of 100 mph.

(a) With what force did the player swing the stick?

(b) What is the spring constant of the stick if it bends 5 cm?

Answer 1

as Fan the gliek (12. 2 xax 2 (12.2 4 39.69 m/s2 :. Fonee ma 700 x 39.69N 27.783 N K.E the gtiek = ^ m V 2 X700x (12.6) Enery m -x10x4.7)2 Vp - A00 mph 44.m puek mays difteranee btusea 1nn 170x44. 70o o x (12.c)) 114.2 J Tuip amat A Anbigy gterul by benolin 214.27 2 X14.27 -OSm N/m 246 N/m Congdaud K