What initial velocity did you give them

Reference no: EM13701924

Problem: Standing on a balcony, you throw your keys to a friend standing on the ground below. One second after you release the keys, they have an instantaneous velocity of 13.9 m/s, directed 45 below the horizontal.

Part A: What initial velocity did you give them?

Explain the each and every step in detail for help.

Reference no: EM13701924

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