Escape velocity for a particle is about{{}}
A) 5 km s-1
B) 8 km s-1
C) 11 km s-1
D) 14 km s-1
Correct Answer:
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Q8: Gravitational potential is always
A)infinite
B)zero
C)positive
D)negative
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A)6.02 × 10
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A)area
B)volume
C)space
D)mass
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