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A blender has a power of 0.3 kW. It is used to make a fruit smoothie, which takes 50 seconds. How much energy is used? Give your answer in kilojoules.

Respuesta :

astar9

Answer:

P=W/t

W=Pt=0.3kWx50s=15KJ

okpalawalter8

We have that the energy is used by a blender that has a power of 0.3 kW and which takes 50 seconds is

W=15KJ

From the question we are told

  • A blender has a power of 0.3 kW.
  • It is used to make a fruit smoothie,
  • which takes 50 seconds. How much energy is used? Give your answer in kilojoules

Generally the equation for the Power   is mathematically given as

P=W/t

Therefore

W=Pt

W=0.3*50

W=15KJ

Therefore

The energy is used by a blender that has a power of 0.3 kW and which takes 50 seconds is

W=15KJ

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