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What speed would a fly with a mass of 0.55 g need in order to have a kinetic energy of 7.6 x 104 J?
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4 votes
What speed would a fly with a mass of 0.55 g need in order to have a kinetic energy of 7.6 x 104 J?

User Saab
by
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1 Answer

4 votes

Answer:16624.2m/s

Step-by-step explanation:

mass(m)=0.55g=0.55/1000=0.00055kg

Kinetic energy(ke)=7.6 x 10^4 j

Velocity=√((2xke) ➗ m)

Velocity=√((2x7.6x10^4) ➗ 0.00055)

Velocity=√(152000 ➗ 0.00055)

Velocity=√(276363636.4)

Velocity=16624.2

Velocity=16624.2m/s

User Nim J
by
3.6k points
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