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marishachu [46]
2 years ago
14

A fly with a mass of 0.0025 kg flies at a rate of 20.0 m/s. What is the kinetic energy of the fly?

Physics
2 answers:
tamaranim1 [39]2 years ago
5 0
KE = 0.5mV^2 = 0.5 * 0.0025 * (20)^2 = 
<span>0.5 Joules.</span>
Andreas93 [3]2 years ago
3 0

Answer: .5 or .50 joules

Explanation:

i got it right in my quiz

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Answer:

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There is no rate of change of speed, so there is no acceleration.

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Can we take water instead of clock oil in Milikan oil drop experiment. Explain.​
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Answer:

C) solo III

Explanation:

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I) el cuerpo pesa igual que su masa.

Esta opcion no puede ser ya que el peso de un cuerpo se define como el producto de la masa por la aceleracion gravitacion.

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II) Por medio de un analisis de fuerzas en el eje-y, la fuerza del peso se dirige hacia abajo mientras que la fuerza normal tiene igual magnitud, pero se dirige hacia arriba. Por esto la segunda opcion no puede ser.

III) El cuerpo se encuentra en equilibrio, es decir las unicas fuerzas que actuan sobre el cuerpo son el peso y la fuerza normal. Pero estas fuerzas son iguales y opuestas en direccion, por la tanto se cancelan y estan en equilibrio.

Esta es la opcion valida, la fuerza neta es nula.

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