Calculation of the average speed. difficulty. Easy difficulty for advanced level exercises. If a body is at position (1,2) and

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We know that a space rocket travels 120km at a constant speed of 500km/h. When it reaches 120km, its velocity instantaneously becomes

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In the following exercises it is explained using 3 different speeds and times, but to solve exercises having 4, 5, 6, 7, 20, 50,