# Question

A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 m above. The keys are caught 1.50 s later by the sister’s outstretched hand.

(a) With what initial velocity were the keys thrown?

(b) What was the velocity of the keys just before they were caught?

(a) With what initial velocity were the keys thrown?

(b) What was the velocity of the keys just before they were caught?

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