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In a Harry Potter movie, there is a big pendulum in the Great Hall that goes back and forth once every 18.9 s. What is the length of the pendulum (if it obeys Physics instead of magic)? (Unit = m)?
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In a Harry Potter movie, there is a big pendulum in the Great Hall that goes back and forth once every 18.9 s. What is the length of the pendulum (if it obeys Physics instead of magic)? (Unit = m)?

User Leorex
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4.5k points

2 Answers

3 votes

Answer:

88.854

Step-by-step explanation:

User Aeosynth
by
4.2k points
5 votes

Answer:

88.67

Step-by-step explanation:

think this is right

User Bhavya
by
3.8k points
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