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How do you do the last one ? ( it’s not 24.4 or 25)

A student releases the 2.5kg bob of a 1.88m long pendulum from the position
shown. Neglect loss.
What is the pendulum's height (h) above its lowest point?
0.163 m
What is the pendulum's maximum speed during the swing?
24°
1.8
m/s
What is the tension in the string at the lowest point?

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