80kg. की वस्तु को 40 m की ऊंचाई तक लगभग 50s में ऊपर
उठाने हेतु आवश्यक औसत शक्ति ...... होगी।
(A) 600KJ/s
(B) 3,200 J/s
(C) 640J/s
(D) 800J/s
Answers
Answered by
2
Answer:
b. 3,200
Explanation:
b. 80×40×50= 3,200
Answered by
3
Answer:
640j/s
Explanation:
m=80kg
h=40m
t=50s
g=10m/s2
P=mgh/t
P=80*40*10/50
p=640j/s
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