help! "What is the period, in seconds, of a simple pendulum of length 2 meters? Use the gravitational constant g = 9.8 m/s^2 and round your answer to two decimal places.

Question

nincompoop · Answer

what do you know?

anonymous · Answer

that the pendulum is 2 meters long

nincompoop · Answer

how do you solve for the period?

nincompoop · Answer

$$T = 2 \pi \sqrt{\frac{L}{g}}$$
L length of pendulum
g gravitational constant

anonymous · Answer

using a calculator i got 2.838 which i guess rounds to 2.84

nincompoop · Answer

for your answer to be a correct approximation you will need to make sure you have the proper significant figures 
2.00 meters 
9.80 m/s^2

that is the only way you will be able to justify to a hundredth degree precision

nincompoop · Answer

that seems correct

nincompoop · Answer

good day

anonymous · Answer

and good day to you, nincompoop!