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how long can a 50 kg man cover a flight or stairs that is 3m high his approximate power is 650 watts?​

Sagot :

Babzkiidn

#BrainlyFast

Problem:

how long can a 50 kg man cover a flight or stairs that is 3m high his approximate power is 650 watts?​

Note:

The formula for power is ( Power = Work ÷ time ). We can find time using the formula ( time = Work ÷ Power )

  • We must solve for Force first in order to find time and note that Work = Force × distance

Force = mass × acceleration

          = 50 kg × 9.8 m/s² (gravitational acceleration)

         = 490 N

Given Data:

F ( Force ) =490 N

d ( distance ) = 3 m

P ( Power ) = 650 Watt

t ( time ) = unknown

Solution:

We can use the formula ( t = (F × d) / P )

t = (F × d) / P

  = 490 N × 3 m / 650 Watt

  = 1470 J / 650 Watt

   = 2.26 seconds

Answer:

The man can cover it for 2.26 seconds

Kindly visit the link below:

brainly.ph/question/10968261

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