Answer:
(2,3)
Step-by-step explanation:
v avg=(x2-x1)/(t2-t1)
(the numbers are subscripts)
v avg = average velocity (m/s)
x1 = the start position of an object (m)
x2 = the end position of an object (m)
t1 = the start time of the motion (s)
t2 = the end time of the motion(s)
4
It's 30
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