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Date Posted: 08:52:04 12/10/02 Tue
Author: Andy
Author Host/IP:
Subject: Re: Difference in energy spent - physics problem - help!
In reply to: Becky 's message, "Difference in energy spent - physics problem - help!" on 07:05:37 12/10/02 Tue

You know I'm no scientist or anything like that (rocket science is your department!), but I've dug up a handful of simple, yet hopefully helpful scientific equations involving Perry and his BOB trailer. With all the information noted on your message, you could work out some of the following:
ACCELERATION = change in speed divided by time
SPEED = distance/time
FORCE = mass X acceleration
WORK = force X distance
EFFICIENCY = useful output/input
GRAVITATIONAL POTENTIAL ENERGY = mass X gravity on Earth X height
KINETIC ENERGY = 1/2 mass X volume squared

Hope I've been of some help - you're doing a great job ;)!

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