A scientist at a space research center is doing research on near-Earth objects and determining the kinetic energy of a theoretic al object. A meteorite with a mass of 12 grams falls to Earth. If the meteorite’s velocity is 35 kilometers/second, what is its kinetic energy?
2 answers:
(Taking an online class with this exact question, Answer given by program) KE= 1/2 mv^2 = 1/2(0.012)(35,000)^2 = 7.35x10^6 The kinetic energy of the meterorite is 7.35 x 10^6 Joules
<span>its kinetic energy is 7350kJ
</span>
Kinetic energy is given as =
Now, m = 12 gms = 0.012 kg
And, velocity = 35 kilometers/second = 35000 m/sec
Kinetic energy is given as =
= 6
×1225 ×
m/
= 7350 kJ
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