An astronaut lands on an Earthlike planet and drops a small lead ball with a mass of 76.5 g from the top of her spaceship. The point of release is 18 m above the surface of the planet and the ball takes 2.5 s to reach the ground. The astronaut's mass on Earth is 68.5 kg. Her mass on the planet is
A) 68.5 kg.
B) 395 kg.
C) 670 kg,
D) 99.0 kg.
E) 40.2 kg.

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The Answer of An astronaut lands on an Earthlike planet and drops a small lead ball with a mass of 76.5 g from the top of her spaceship. The point of release is 18 m above the surface of the planet and the ball takes 2.5 s to reach the ground. The astronaut's mass on Earth is 68.5 kg. Her mass on the planet is
A) 68.5 kg.
B) 395 kg.
C) 670 kg,
D) 99.0 kg.
E) 40.2 kg.

An Astronaut Lands on an Earthlike Planet and Drops a Small