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kris22elizondop9v1bb
17.06.2020 •
Biology
Calculating Velocity
Use the graph to determine the object's average velocity. What is the average velocity of the object?
m/s
Position vs Time
6
5
Position (m)
3
2.
1
0
0
10
40
50
20 30
Time (s)
Solved
Show answers
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Ответ:
x= -28.173
Step-by-step explanation:
formula for quadratic equation, y= (-b±√(b²-4ac))/(2a)
a= 1, b= -4 and c= -1
y= 4 + √(16+4)
= 4 + √20
here,
sinx = y
sinx = 4+ √20
or, x= sin^-1 (4+√20)
which doesn't exist
taking
sinx = 4-√20
x = -28.173°