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Speed necessary for the space station to stay in orbit.
Speed necessary for the space station to stay in orbit.
This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.
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.
This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam.
This 11 minute long YouTube video describes the various causes and types of water pollutants.
This YouTube video investigates what water pollution is and some examples and effects of water pollution.
What would fall faster on the moon, a brick or a feather?