Select the correct answer. What is the average acceleration of the particle within the time interval 1 second to 3 seconds?
4.0
3.5
3.0
2.5
Velocity (m/s)
2.0
1.5
1.0
0.5
0.0
2
3
Time (s)
ОА.
-1 meter/second
OB.
ОС.
0 meters/second
1 meter/second
1.5 meters/second
OD
OE
2 meters/second?

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

What is the length x of the side of the triangle below? (hint: use the cosine function)

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics