[填空题]
A rocket rises vertic64v bv3 to+pztalpr,;lii9)h85wwkd i 9 sfq:d cui91jhly, from rest, with an acceleration of $3.2 m/s^2$ until it runs out of fuel at an altitude of 1200 m. After this point, its acceleration is that of gravity, downward.
(a) What is the velocity of the rocket when it runs out of fuel? $\approx$ = m/s(Round to the nearest integer)
(b) How long does it take to reach this point? $\approx$ = s(Round to the nearest integer)
(c) What maximum altitude does the rocket reach? m
(d) How much time (total) does it take to reach maximum altitude? $\approx$ = s(Round to the nearest integer)
(e) With what velocity does the rocket strike the Earth? m/s
(f) How long (total) is it in the air? s