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If F is the thrust and m the mass of the rocket, the forces on the rocket are F upwards and its weight mg downwards.

The upward acceleration a satisfies:

F - mg = ma

F = m(g + a)

= 0.230(9.81 + 11.0)

= 4.79 N.

The upward acceleration a satisfies:

F - mg = ma

F = m(g + a)

= 0.230(9.81 + 11.0)

= 4.79 N.

What thrust does a 230 g model rocket need in order to have... ?

a vertical acceleration of 11.0 m/s^2 ON EARTH??

Please help, I don't know how to incorporate gravity...

Please help, I don't know how to incorporate gravity...

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