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Suppose ∆K = J for the block in the situation shown in Fig. 13-2. Which of the following could correctly describe the energy transfers in that situation? (A) W spring = + 5 J, W grav = + 15 J (B) ∆ U spring = + 5 J, W grav = – 15 (C) W spring = –5 J, ∆ U grav = – 15 J (D) ∆ U spring = – 5 J, ∆ U grav = – 15 J

Suppose ∆K = J for the block in the situation shown in Fig. 13-2. Which of the following could correctly describe the energy transfers in that situation?
(A) Wspring = + 5 J, Wgrav = + 15 J
(B) ∆ Uspring = + 5 J, Wgrav = – 15
(C) Wspring= –5 J, ∆ Ugrav = – 15 J
(D) ∆ Uspring  = – 5 J, ∆ Ugrav = – 15 J

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago
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