Question #921bb
1 Answer
Jul 15, 2017
19.6133 m
Explanation:
This is a free fall motion
Information given:
Use the formula:
why negative??
What we calculated is displacement, a vector quantity.
In this case, negative sign signifies the stone is travelling down in respect to the origin point.
To get distance , a scalar quantity, in this case just take the magnitude of displacement as it is a straight line motion.
Distance travelled in the first 2s is 19.6133 m