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Sagot :
Let's take this problem step-by-step:
What does this problem want to solve:
⇒ find two pendulums that will swing back and forth in the least amount
of time
Therefore:
⇒ must find the equation that calculates that period or swing time of a
pendulum
Equation: [tex]T = 2\pi \sqrt{\frac{L}{g} }[/tex]
- L: length of the pendulum
- g: gravitational acceleration
Based on the equation:
⇒ the longer the string is ⇒ the greater the swing time
Thus:
⇒ pendulum Y and Z will have the least amount of swing time
Answer: (B)
Hope that helps!
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