Q: 9 (NDA-II/2013)

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Power required by a boy of mass 30 kg to run up a staircase of 40 steps in 10 seconds in (Height of each step is 15 cm) (Take g = 10 m/s2)
question_subject: 
Science
question_year: 
2013
question_exam: 
NDA-II
stats: 
0,56,48,16,56,24,8