Question 16 (1 point) A stone is tossed from a tower 30 m above the ground. The height of the stone,
h
, in metres above the ground at
t
seconds can be modelled by the function
h(t)=-4.9(t-2)^(2) 49.6
Determine the velocity at 4 s
-16(m)/(s)
-19.6(m)/(s)
49.6(m)/(s)
30(m)/(s)