Question

Ram has power of 25000watt. Calculate the amount of mass lifted by him up to 20 metre in 12 seconds

Answer 1

Answer:

$\huge\fbox\colorbox{gold}{❥Answer♡}$

• 1000W
• Work=F×S×cosθ.
• Given mass = 200 Kgf and distance is 2.5 m and angle is 180 degree and we know that cos 180 = -1.
• We know that F=m∗g=200∗10=2000N−f
• Hence W=2000∗2.5=5000Joule.
• Power=work/time
• P=5000/5=1000 Watt.

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Answer 2

$\huge \sf\colorbox{cyan}{ANSWER}$

Given,

power= 25000

watt, m = 6000kg

height = 20 m

We have p = F×s/t = m×g×s/t = m×g×s/

t = m×g×s/p= 6000×9.8×20/25000

= 12000×98/25000= 47.04seconds.

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