If a ball is if a ball is dropped from a 576ft building it would take about 8 seconds for it to hit the ground.
The answer is A John Roebling.
A. reactants
B. subscript
C. coefficient
D. products
The average speed is 10 m/s.
Explanation:
The motion of the object is divided into two parts.
In the first part, the object covers a distance of

In a time interval of

In the second part, the object is a t rest, so it covers a distance of

In a time interval of

The average speed for the trip is given by the ratio between the total distance and the total time taken, therefore:

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The variable you can change in an experiment is ( B ) A dependent variable