Shana1 Shana1
  • 14-04-2015
  • Physics
Answered

Ja-Anna, has a mass of 45 kg, climbed 3m up a ladder to rescue her cat from a tree. how much work against gravity did she do?



Answer :

Gene22
Gene22 Gene22
  • 15-04-2015
45*3*2=20kg in total
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