essamnaeem45 essamnaeem45
  • 07-03-2021
  • Chemistry
contestada

how much is the mass of a man if
he has to do 2500 joules of work in
climbing a tree 5 meters tall​

Respuesta :

samueladesida43
samueladesida43 samueladesida43
  • 12-03-2021

Answer:

50kg

Explanation:

Using the formula for potential energy, which is the amount of energy due to position;

P.E = m × g × h

Where;

m = mass (kg)

g = acceleration due to gravity (10m/s²)

h = height (metres)

According to the information provided in this question, m = ?, P.E = 2500J, h = 5m

Using P.E = m × g × h

m = P.E/gh

m = 2500/(5 × 10)

m = 2500/50

m = 50kg

The mass of the man is 50kg.

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