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olchik [2.2K]
4 years ago
8

What is the kinetic energy of a 26 kg eagle flying at an altitude of 65 m at a speed of 19 m/s?

Physics
1 answer:
sweet [91]4 years ago
4 0

Answer:

4693 J

Explanation:

The kinetic energy of the eagle is given by:

K=\frac{1}{2}mv^2

where

m is the mass of the eagle

v is the speed of the eagle

In this problem, m = 26 kg and v = 19 m/s. Substituting into the formula, we find

K=\frac{1}{2}(26 kg)(19 m/s)^2=4693 J

As we can see, the altitude of the eagle is not relevant for the calculation of the kinetic energy.

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Explanation:

given,

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momentum of the cue after collision = ?

using conservation of momentum

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momentum in x-direction.

equating along y-direction

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0 + 0 = y + 2

y = -2 N.s

the momentum of the cue ball after collision is equal to resultant of the momentum .

P = \sqrt{x^2+y^2}

P = \sqrt{7^2+(-2)^2}

      P = 7.28 N.s

the momentum of the cue ball after collision is equal to P = 7.28 N.s

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