A swimming pool is to be drained for cleaning . If L represents the number of liters of water in the pool t seconds after the pool has been plugged off to drain and L=200(10−t)2, how fast is the water running out at the end of 5s and what is the average rate at which the water flows out during the first 5s?

A swimming pool is to be drained for cleaning . If L represents the nu

1.	A swimming pool is to be drained for cleaning . If L represents the number of liters of water in the pool t seconds after the pool has been plugged off to drain and L=200(10−t)2, how fast is the water running out at the end of 5s and what is the average rate at which the water flows out during the first 5s?
Answer» A swimming pool is to be drained for cleaning . If L represents the number of liters of water in the pool t seconds after the pool has been plugged off to drain and $L = 200 (10 - t)^{2}$ , how fast is the water running out at the end of 5s and what is the average rate at which the water flows out during the first 5s?