**Question:** Given that centripetal force๐น = โ๐/๐2 . The total energy is

(A) -k/r^{2}

(B) k/r

(C) -k/2r^{2}

(D) -k/2r

**Answer:** option (C)

**Solution:**

with
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**Question:** Given that centripetal force๐น = โ๐/๐2 . The total energy is

(A) -k/r^{2}

(B) k/r

(C) -k/2r^{2}

(D) -k/2r

**Answer:** option (C)

**Solution:**