6.
मोहन का वजन 40 किलोग्राम है तथा वह 10 सेकण्ड
में 50 सीढ़ियाँ चढ़ जाता है। यदि प्रत्येक सीढी की
ऊँचाई 15 सेंटीमीटर हो तो मोहन की शक्ति क्या है ?
(g=10मी/से)
Answers
Answered by
4
300 watt
Explanation:
mass = 40 kg
time = 10 sec.
height = 15 × 50
= 750 cm
= 7.5 m
a/ g = 10 m/s²
Force = m×a
= m×g
= 40kg × 10 m/ s²
= 400 N
time = 10 sec.
power = W/T
= F× D / T
= 400 × 7.5 / 10
= 3000 / 10
= 300 watt
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