A 540 g model rocket is on a cart that is rolling to the right at a speed of 2.5 m/s. The rocket engine, when it is fired, exerts a 8.0 N vertical thrust on the rocket. Your goal is to have the rocket pass through a small horizontal hoop that is 20 m above the launch point. At what horizontal distance left of the loop should you launch?

horizontal distance left of the loop should you launch is 7.1m

Explanation:

See attached file

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-scientists plan in going deeper than 120 meters

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if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.