Physics

Problem

30 If air resistance is negligible, the speed of a 2 kg sphere that falls from rest through a vertical displacement of 0.2 m is most nearly (A)

1 \mathrm{~m} / \mathrm{s}

(B)

2 \mathrm{~m} / \mathrm{s}

(C)

3 \mathrm{~m} / \mathrm{s}

(D)

4 \mathrm{~m} / \mathrm{s}

(E)

5 \mathrm{~m} / \mathrm{s}

(A)

1 \mathrm{~m} / \mathrm{s}

(B)

2 \mathrm{~m} / \mathrm{s}

(C)

3 \mathrm{~m} / \mathrm{s}

(D)

4 \mathrm{~m} / \mathrm{s}

(E)

5 \mathrm{~m} / \mathrm{s}