A micrometeor has a mass of 0.005 grams. When it enters Earth’s atmosphere, it travels at 21,000 meters per second. What is its kinetic energy when it enters Earth’s atmosphere?
KE= 1/2 mv^2
(1 point)
Responses
1,102.5 J
1,102.5 J
2,205 J
2,205 J
1,102,500 J
1,102,500 J
0.0525 J
0.0525 J