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A Moving Object of Mass 30 Kg Has 60 J of Kinetic Energy. What is Its Speed? - Physics

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प्रश्न

A moving object of mass 30 kg has 60 J of kinetic energy. What is its speed?
संख्यात्मक
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उत्तर

K.E = `1/2` mv²

60 = `1/2` (30) (v)²

or v² = 4 m/s

or v= 2 m/s

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अध्याय 1: Force, Work, Energy and Power - Exercise 1.5 i [पृष्ठ ५३]

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फ्रैंक Physics - Part 2 [English] Class 10 ICSE
अध्याय 1 Force, Work, Energy and Power
Exercise 1.5 i | Q 12 | पृष्ठ ५३
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