(a) What will be the kinetic energy of the asteroid in the previous problem just before it hits Earth? b) Compare this energy to the output of the largest fission bomb, 2100 TJ. What impact would this have on Earth?

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(a) What will be the kinetic energy of the asteroid in the previous problem just
before it hits Earth? b) Compare this energy to the output of the largest fission bomb,
2100 TJ. What impact would this have on Earth?
Transcribed Image Text:(a) What will be the kinetic energy of the asteroid in the previous problem just before it hits Earth? b) Compare this energy to the output of the largest fission bomb, 2100 TJ. What impact would this have on Earth?
An average-sized asteroid located 5.0 × 107km from Earth with mass
2.0 × 10¹³ kg is detected headed directly toward Earth with speed of 2.0 km/s.
What will its speed be just before it hits our atmosphere? (You may ignore the size of
the asteroid.)
Transcribed Image Text:An average-sized asteroid located 5.0 × 107km from Earth with mass 2.0 × 10¹³ kg is detected headed directly toward Earth with speed of 2.0 km/s. What will its speed be just before it hits our atmosphere? (You may ignore the size of the asteroid.)
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