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Question

Figure shows the kinetic energy K of a simple pendulum versus its angle θ from the vertical. The pendulum bob has mass 0.2 kg. The length of the pendulum is equal to (g=10 m/s2).
1213392_b7298484c939450f9bd4f8bbe02c796e.png
  1. 2.0cm
  2. 1.8cm
  3. 1.5cm
  4. 1.2cm

A
1.5cm
B
1.2cm
C
2.0cm
D
1.8cm
Solution
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1213392_b7298484c939450f9bd4f8bbe02c796e.png
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