The roller-coaster car shown in Fig. 6-41 (h1 = 50 m, h2 = 11 m, h3 = 30 m), is dragged up to point 1 where it is released from rest. Assuming no friction, calculate the speed at points 2, 3, and 4

Answer 1

you are mean

Answer 2

do 72=9D
8=D

Answer 3

use the formula .5xd*v^2. Use this and you should get all three correct

Answer 4

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