Question

A model rocket is launched straight upward with an initial speed of 51.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until
its engines stop at an altitude of 140 m.
(a) What can you say about the motion of the rocket after its engines stop?

(b) What is the maximum height reached by the rocket?

(c) How long after liftoff does the rocket reach its maximum height?
S
(d) How long is the rocket in the air?
pls help fast extremely urgent !​
it's an 11th grade Singapore America school's question so it would be difficult but pls try to solve I no need it's done now

Answer 1

Answer:

c) t=8.53s

Explanation:

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happy to help u

Answer 2

Answer:

t = 5 sc

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