A slingshot is a child's toy that converts the
strain energy ofthe stretched material into
the moving energy of the propelled object. A
boy pulls on his slingshot with a force of 20N
and it extends by 7 cm. At what velocity
does the 20 g stone fly off?
(A) 8.4 m S-1
(B) 70ms-1
(e) 6.7 m s-1
(D) 2.6 m s-1

Question

A slingshot is a child's toy that converts the
strain energy ofthe stretched material into
the moving energy of the propelled object. A
boy pulls on his slingshot with a force of 20N
and it extends by 7 cm. At what velocity
does the 20 g stone fly off?
(A) 8.4 m S-1
(B) 70ms-1
(e) 6.7 m s-1
(D) 2.6 m s-1

stormfire1 · Answer

See http://openstudy.com/study#/updates/4fbaab2ae4b05565342fa323

anonymous · Answer

i didn't get the answer when i used the equation :(

anonymous · Answer

could you work it and tell me the answer?