antonjas001
12.02.2021 •
Physics
Cupid fires a 135-gram arrow, moving at 30 m/s, into a stationary 1 kg heart-shaped box of
chocolates. The arrow emerges (the arrow does not get embedded (or stuck) in the box)
with half of its original speed. Find the change in the kinetic energy of the system before
and after the collision.
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Ответ:
Desertification
Explanation:
"The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people."