March 31, 2015

Homework Help: physics ap

Posted by helpplz on Saturday, November 17, 2012 at 11:03am.

Sir Lost-a-Lot dons his armor and bursts out
of the castle on his trusty steed Tripper in
his quest to rescue fair damsels from drag-
ons. Unfortunately his valiant aide Doubtless
lowered the drawbridge too far and finally
stopped it 30 below the horizontal. Lost-
a-Lot screeches to a stop when his and his
steedís combined mass (1500 kg) is 1.2 m
from the end of the bridge, which is 7.5 m long with a mass of 2300 kg. The lift cable is
attached to the bridge 3.3 m from the hinge
and to the parapets 9.7 m above the bridge.

Find the tension in the cable. The acceler-
ation of gravity is 9.8 m/s2 .

this is so difficult please help

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