What is the potential energy for an elevator of mass 710 kg at the top of Chicago’s Sears Tower, a height 520 m above street level? Let the potential energy be zero at street level.
Take the free fall acceleration to be g.
Tag Archives: top
potential energy with elevator?
Posted in Solar Power
Tagged chicago, elevator, energy, height, kg, level, mass, potential energy, s sears, Sears, sears tower, street, top, Tower
POLL: What do you think of this? Very Cool or Very Nasty?
Heather Mills poured a pitcher of water on top of
Paul McCartney’s Lawyer in Court.
Can you believe it?
Thoughts please.
xo
This is online and I read it in the local press this morning, I did NOT make this
up!
Tagged heather mills, pitcher, poll, top, water
1996 Isuzu Rodeo timing?
We had to change the water pump on our rodeo the other day, had all the marks lined up but for some reason the top left timing gear jumped. The car had no power up hill. We have set the timing twice since then and it still has no power. What could it be, and is there anything to try differently with the timing?
If I had the money to take it to a shop I would have, but sometimes you have to do what you have to do.
I have an oak dresser set with no identity of the maker, how do I find who made it?
(by engaved, I mean that it looks burned in.)The long dresser has an engraved tree and fence on the top of the mirror, that dresser as a picture engraved of a “water mill”. The tall dresser has a horse and buggy, and there is nothing on the night stand.
Tagged dresser, fence, horse and buggy, identity, maker, MIRROR, night stand, oak, picture, top, tree, water, water mill
Wind Turbine Tour
Puget Sound Energy’s Wild Horse Wind and Solar Facility features 149 wind turbines. This video tour takes you inside the 351-foot-tall wind turbines, giving a first hand look at how renewable energy works. Directions to the Wild Horse visitors’ center can be found at PSE.com.
How to connect generator to water heater?
Generator has a 240 outlet and produces 4000 watts continous power. It has a circular 4 prong 20 amp outlet. Standard water heater with electrical connecton hard wired at top of unit.