Question

A rocket carrying a satellite is accelerating straight up from the earth's surface. At 1.15 s afte
liftoff, the rocket clears the top of its launch platform, 63 m above the ground. After an addition:
4.75 s it is 1.00 km above the ground. Calculate the magnitude of the average velocity of the rocket
(a) the 4.75-8 part of its flight; (b) the first 5.90 s of its flight.​

Answer 1

Answer:

its right answer is (b) mark as brainlist plzzz.