A hammer and a feather are dropped from the same height by an astronaut on a planet without air. Which value will be different for the two objects?
A. The velocity of the objects
B. The time it takes for them to fall
C. The downward pull of gravity
D. The upward push of air resistance
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Ответ:
B. The time it takes for them to fall
Explanation: Hammer and feather will go the same speed to earth because gravity pulls everything at the same strength the only difference is air penetration hammer being less wide for it's size and more heavy, ones reach earth atmosphere will start penetrating air quicker which will make it fall faster.
Ответ:
symbol?
Explanation: