The weight of spaceman Speff,solely due to the gravitational pull of planet X at its surface,is 389 N.If he moves to a distance of 1.86 × 10⁴ km above the planet's surface,his weight changes to 24.31 N.What is the mass of planet X,if Speff's mass is 75 kg? A)2.96 × 10²⁴kg B)2.96 × 10¹⁸ kg C)2.96 × 10¹⁷ kg D)1.59 × 10¹⁸ kg

Question

Quizplus · Accepted Answer

The gravitational force is given by F = G * (m1 * m2) / r^2. Using the given weights and distances, we can set up two equations and solve for the mass of planet X. The correct mass is 2.96 × 10^24 kg.

The Weight of Spaceman Speff,solely Due to the Gravitational Pull