Explanation:
the velocity graph of a ball mass 20mg moving along a straight line
Answer:
speed
Explanation:
Given: an incomplete sentence
To fill: the blank
Solution:
Speed is not a vector quantity but a scalar quantity as it has magnitude but no direction.
Speed = Distance ÷ Time
You can calculate an <u>average</u> speed if you know both the total distance and the total time of the trip.
Average speed = Total distance ÷ Total time
Answer:

Explanation:
Molar mass of isooctane will be 12*8+8=114 g/mole
Combustion of 21.8 gal yields energy of
21.8*3780*0.692*-5440/114=-2721124.6484210 J
In scientific notation, this is 
Answer:
IV because the process of water is equal to 5,8 to 783253.23 to the hendroxagram of 4.
Explanation:
Answer:
a little less than 6 micrograms
Explanation:
The half-life of an element is defined as the time in which half of the isotope emits its radiation and becomes a different element. Therefore after 4.5 billion years the meteoroid will contain 12 micrograms of uranium, after 9 billion years will contain 6 micrograms. After 10 billion years will contain a little less than 6 micrograms.