You! i would like to know how to answer these and understand them.. you so much. i've been trying to figure them out, and i feel like i got the answer, but my answer didn't match with any of the answers so now i'm really

a penny is thrown from a 1000.0 m building with an initial velocity of 2.00 m/s down.
what is the penny’s velocity after 3.00 s?

a. −31.4 m/s
b. −3.10 m/s
c. −90.3 m/s
d. −9.00 m/s

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a penny is thrown from a 1000.0 m building with an initial velocity of 2.00 m/s down.
how far will the penny fall in 10.0 s?

a. −69 m
b. −118 m
c. −511 m
d. −1000 m