With what initial velocity were the keys thrown

Reference no: EM13695477

Find the solution for given problem:

Problem: A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.20 m above. The second student catches the keys 2.40 s later.

Part A: With what initial velocity were the keys thrown?

Please show me how work it out above problem. Thanks in advance.

Reference no: EM13695477

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