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This YouTube video delves into the impact that tourism can have on a country's economy.
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This YouTube video delves into the impact that tourism can have on the environment.
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Why do astronauts appear weightless despite being near the Earth?
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Basics of gravity and the Law of Universal Gravitation.
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This unit is about how things move along a straight line or, more scientifically, how things move in one dimension. Examples of this would be the movement (motion) of cars along a straight road or of trains along straight railway tracks.
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Speed necessary for the space station to stay in orbit.
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Viewing g as the value of Earth's gravitational field near the surface rather than the acceleration due to gravity near Earth's surface for an object in freefall.
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Introduction to viruses
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What would fall faster on the moon, a brick or a feather?