In order to open tha clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the shell cracks.

if a seagull flies to a height of 16.4m, how long will the clam take to fall? The acceleration of gravity is 9.8m/s². Answer in units of sec.

To find the time it takes for the clam to fall, we can use the equation for the time of freefall:

t = √(2h / g)

Where:
t is the time of freefall
h is the height (16.4m)
g is the acceleration due to gravity (9.8m/s²)

Let's plug the values into the equation and calculate the time it takes for the clam to fall:

t = √(2 * 16.4m / 9.8m/s²)
t = √(32.8m / 9.8m/s²)
t = √3.3469s²
t ≈ 1.83 sec

Therefore, the clam will take approximately 1.83 seconds to fall from a height of 16.4 meters when dropped by the seagull.