Mathematics
Grade10
Easy
Question
Big Ben’s pendulum takes 4 s to swing back and forth. The formula gives the swing time, t, in seconds, based on the length of the pendulum, L, in feet. What is the minimum length necessary to build a clock with a pendulum that takes longer than Big Ben’s pendulum to swing back and forth?
- 32 feet
- 41 feet
- 40 feet
- 56 feet
Hint: