Question

webassign.net (b) With what speed (in m/s) does the block pass through the equilibrium position once it has been released from x? m/s Need Help? Read 5. [-70.76 Points) DETAILS SERCP11 13.2.P.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two parallel rubber bands. It takes a force of 15 N to stretch either one of these bands 1.0 cm. (a) What is the potential energy stored in the two bands together when a 44-9 stone is placed in the cup and pulled back 0.22 m from the equilbrium position? (b) with what speed does the stone leave the slingshot? m/s Need Help? Read MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 6. [-/0.76 Points] DETAILS SERCP11 13.2.P.011. A student pushes the 2.00 kg block in the figure below against a horizontal spring, compressing it by 0.140 m. * 0

Answer 1

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k= 15 1x10² 5) F=15N AX=1cm, a) F= kox = 1500 N/m (spring Constant Now, m= 44x18kg, no =0.22m total potential enersy = 1500 X (10.22)2= 72.63) Aml stored=${}x?) b) using energy Conservation. U = 2mv2 72.6= 2 x 44X103 xv² »V = 57.4456 m/s And