rosegoldkelsey03 rosegoldkelsey03
  • 02-04-2020
  • Physics
contestada

A polar beer runs at a speed of 11m/s With 23,000 J of kinetic energy. What is a polar bear mass?

Respuesta :

aristocles aristocles
  • 13-04-2020

Answer:

Mass of the polar beer is 380.2 kg

Explanation:

As we know that kinetic energy is given as

[tex]K = \frac{1}{2}mv^2[/tex]

now we know that

[tex]K = 23000 J[/tex]

also we know that the speed of the beer is 11 m/s

now we have

[tex]23000 = \frac{1}{2}m(11^2)[/tex]

[tex]m = 380.2 kg[/tex]

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