A Spaceship with a Mass Of $2.8 \times 10 ^ { 6 } \mathrm {~kg}$

question 43

Multiple Choice

A spaceship with a mass of $2.8 \times 10 ^ { 6 } \mathrm {~kg}$ mass of $5.0 \times 10 ^ { 16 } \mathrm {~kg}$ joining the asteroids and is aimed at the midpoint of that line. What is the net gravitational force exerted by the asteroids on the spaceship when the spaceship is 30 \mathrm{~km} away from that midpoint?
$\left( G = 6.67 \times 10 ^ { - 11 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { kg } ^ { 2 } \right)$

• A) 16,000 N
• B) 6,200 N
• C) 18,000 N
• D) 8,000 N
• E) 12,000 N

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