A train travelling at 30 ms -1. accelerates at 0.5ms-1 for 30s. How far will it travel in his time
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A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. ... It's a small part of the Milky Way Galaxy. A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravit
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