Asked by Anonymous
For a 0.1-kg frog to jump to a height of 80cm requires how much energy in joules?
A) 0.566 Joule.
B) 0.784 Joule.
C) 0.584 Joule.
D) 0.287 Joule.
Not sure what I am missing...
PE=mgh
(0.1)(9.8)(80)= 78.4
A) 0.566 Joule.
B) 0.784 Joule.
C) 0.584 Joule.
D) 0.287 Joule.
Not sure what I am missing...
PE=mgh
(0.1)(9.8)(80)= 78.4
Answers
Answered by
san
PE =mgh = 0.1* 9.8 * 0.80 m
= 0.784 J
= 0.784 J
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