Question: A two stage rocket is one which uses multiple engines during its flight. A two stage rocket whose weight is 15.39 N is moving

A two stage rocket is one which uses multiple engines during its

A two stage rocket is one which uses multiple engines during its flight. A two stage rocket whose weight is 15.39 N is moving upward at 65.2 m/s when its second engine ignites. The thrust of the second engine is 144.8 N. If the second engine burns for 15.2 seconds, the net impulse on the rocket during the burn of the second engine will be N-s. Hint: Don't forget about gravity.

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