Let be the height of the building and thus the initial height of the ball. The ball's altitude at time is given by
where is the acceleration due to gravity.
The ball reaches the ground when after . Solve for :
so the building is about 16 m tall (keeping track of significant digits).
Answer:
I think its (A)The specific heat of an object explains how easily it changes temperatures.
Explanation:
Instead of washing vegetables in running water, fill a bowl of water and wash inside the bowl.