Friday

November 28, 2014

November 28, 2014

Posted by **Ame** on Friday, November 30, 2012 at 2:35pm.

(a) How tall is the tower?

_________ m

(b) If this pendulum is taken to the Moon, where the free-fall acceleration is 1.67 m/s2, what is the period there?______S

- PHYSICS -
**Henry**, Sunday, December 2, 2012 at 8:58pma. h = g*T^2/4pi^2.

h = 9.8*(11.5)^2/39.4 = 32.9 m.

b. T^2 = 4pi^2*(L/g).

T^2 = 39.4*(32.9/1.67) = 776.2

T = 27.9 s. = Period

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