Answer:
c
Explanation:
we have only distance vs time graph so c is the right answer that cart is moving with constant speed of 0.5m/s
confirmed
first calculate distance which is from 2 to 5.5
5.5-2=3.5
apply the formula of velocity
v=s/t
v=3.5/7=0.5
Answer:
Be
Explanation:
Reactivity increases from left to right and decreases from the top of the column to the bottom of column
Well you should study how different chemicals work, and make flashcards to carry around or make notes during class to study for later