Multiple Choice
With what velocity must a body be projected vertically upward from the earth's surface,in the absence of friction,to rise to a height equal to the earth's radius (6400 km) ?
A) 4.3 105 m/s
B) 2.6 103 m/s
C) 105 m/s
D) 3.6 102 m/s
E) 7.9 103 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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