A scientist on Earth drops a hammer and a feather at the same time an astronaut on the moon drops a hammer and a feather. Which result is expected? The hammer hits the ground before the feather on both Earth and the moon. The hammer hits the ground before the feather on Earth, but the feather hits the ground first on the moon. The hammer and the feather hit the ground together on both Earth and the moon. The hammer hits the ground before the feather on Earth, and the hammer and feather hit at the same time on the moon.
Answers
Explanation:
(1) The motion of a body falling in air is accelerated due to the earth's gravitational force on the body. The force due to buoyancy of air acts on the body in the upward direction. As the body falls, the friction with air opposes its motion. <br>
(2) This opposition due to air depends on the size, shape, density and velocity of the body. It is greater for a feather than for a stone. Hence, the stone has greater downward acceleration than the feather. Therefore, the stone reaches the ground earlier than the feather though they are released simultaneously from the same height.
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Answer:
It's the bottom one, sorry if this is late. I am also sorry if I am wrong.
Explanation:
On Earth, there is air resistance which slows the feather down, but on the moon there is no air resistance, which means they are in freefall and will both hit the ground at the same time.