A. If two objects are thrown vertically downward, from the same height, with speeds v and with the object of y, thrown at time! thrown at time t = 0, and the other at a later time t = t after the first, derive an expression for the length of time T after which they collide​

car a and b are moving in opposite directions

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depends on what you mean by "group." for order, it would be coleoptera (beetles). for class, it would be insecta (insects). for phylum, it would be the arthropoda (animals with jointed exoskeletons).

explanation:

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