Respuesta :
Step-by-step explanation:
h = -16t² + vt + s
v is the starting velocity, and s is the starting height.
a. The starting height is 49 feet.
s = 49
b. When the anchor hits the water, the height is 0.
h = 0
c. Plug in values:
0 = -16t² + 0t + 49
0 = -16t² + 49
16t² = 49
t² = 49/16
t = 7/4