runnerfitchick runnerfitchick
  • 25-11-2018
  • Physics
contestada

Which has more gravitational potential energy: a 300 N cat at a height of 6 meters or a 50 N bird at a height of 50 meters

Respuesta :

aristocles aristocles
  • 05-12-2018

Gravitational Potential energy is given by the formula

[tex]U = mgH[/tex]

so it is product of weight of object and its height

for PE of cat weight is given as 300 N at height 6 m

[tex]U_1 = 300 \times 6 = 1800 J[/tex]

on other side we will have a bird of 50 N weight with height 50 m

[tex]U_2 = 50 \times 50 = 2500 J[/tex]

now here we can see that it depends on the product of weight and height both

so here PE of bird will be more than the PE of Cat

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