Question

A block of cheese is thrown upward on the moon with an initial velocity of 15 m/s, and
it's height at time
t
is given by the equation
h
(
t
) = 15
t
0
:
8
t
2
.
(a)
Find the average velocity for the time period beginning when
t
= 6 and lasting for
(i) 0.2 seconds (ii) 0.1 seconds
(iii) 0.05 seconds (iv) 0.01 seconds
(b)
Estimate the instantaneous velocity when
t
= 6.