Answer:
Explanation:
T = 60 s/80 beats = 3/4 s for each beat
f = 1/T = 4/3 bps (beats per second)
120 beats per minute.
You should select Choice-4 .
The vector that point from point P1 to point P2 its found simply by taking the vector at which point P2 its located and subtracting the vector at which point P1 its located:
So:
-3+3 i think this is the answer
i think you can ask someone else sorry
1.09 kg.m
no need