a wheel of 10 kg and radius of gyration is 50 cm rotating at 30 rpm then the rotational kinetic energy of the wheel is?
Answers
Answered by
11
Ahoy !
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Kr = 1/2Iω²
Kr = 1/2 mr²ω²
Kr = 1/2 10 x( 0.5)² ( 30 )²
Kr = 5 x 0.25 x 900
Kr = 125 x 9
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kr= 1125 J
_____________________________________________________________
_____________________________________________________________________________________________________________________________
Kr = 1/2Iω²
Kr = 1/2 mr²ω²
Kr = 1/2 10 x( 0.5)² ( 30 )²
Kr = 5 x 0.25 x 900
Kr = 125 x 9
______________________________________________________________
kr= 1125 J
_____________________________________________________________
Answered by
1
1250 J
Answer:
becozthe 10 kg of mass is the question so the answer will be
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