What is the kinetic energy of a 26 kg eagle flying at an altitude of 65 m at a speed of 19 m/s?
1 answer:
Answer:
4693 J
Explanation:
The kinetic energy of the eagle is given by:
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
As we can see, the altitude of the eagle is not relevant for the calculation of the kinetic energy.
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Answer:
a) 3.9 x 10⁻⁵ kg
Explanation:
The amount of mass required to produce the energy can be given by Einstein's formula:
where,
m = mass required = ?
E = Energy produced = 3.5 x 10¹² J
c = speed of light = 3 x 10⁸ m/s
Therefore,
Hence, the correct option is:
<u>a) 3.9 x 10⁻⁵ kg</u>