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andro
Questions and answers by visitors named
andro
Questions (2)
A 80 kg firefighter climbs flight of stairs 6 meter high in 10 seconds.
How much work is required by the firefighter?
5 answers
3,660 views
hello
I have subscribed with home work site" called Internet Secrets ,they offer you to design for you a web ready web site with
2 answers
718 views