The Burj Khalifa is the tallest building in the world having a height of 828 m. Imagine a coin dropped on top of this building and a man is passing and his head was hit by the falling coin. Would the coin be as damaging as a stone that travels a hundred meters per second? A raindrop falls from about 2500 feet. With the gravitational force pulling the water downward, it will gain a very high velocity as it hits the ground. Why is a raindrop not as fatal as a speeding bullet?
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why.................