After a model rocket reached its maximum height, it then took 5.0 seconds to return to the launch site. what is the approximate maximum height reached by the rocket? [neglect air resistance.]

The maximum height reached by the rocket is 122.5 m.

The given parameters;

The maximum height of the model rocket is calculated by applying second equation of motion;

h = v₀t + ¹/₂gt²

where;

h = 0  + (0.5 x 9.8 x 5²)

h = 122.5 m

Thus, the maximum height reached by the rocket is 122.5 m.

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trig 15.3 cos

force is mass*acceleration.

we have a very small mass: 11.4*0.001 kg

if we want 0.035n of force, we need an acceleration:

0.035 = 11.4*0.001*a

a = 0.035/(11.4*0.001) m/s^2