The coefficient would be 2
Answer:
The height of the objects are the same after 2 seconds.
Step-by-step explanation:
In order to calculate at which time both objects have the same height we need to find the value of t that makes both equations equal. Therefore:

The height of the objects are the same after 2 seconds.
Answer:
20.4131
Step-by-step explanation:
You need to have only 4 decimal places after , last decimal being approximated
Answer:
the last one
:D
Step-by-step explanation: