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A 20 N model rocket launched vertically is clocked at 25 m/s when it is 15 m above the ground (and has expended a negligible amount of fuel). Use the work–energy principle to find the rocket’s initial
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A 20 N model rocket launched vertically is clocked at 25 m/s when it is 15 m above the ground (and has expended a negligible amount of fuel). Use the work–energy principle to find the rocket’s initial speed.

27.4 m/s
40.2 m/s
17.8 m/s
30.3 m/s

User Azibi
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7.1k points

1 Answer

5 votes

30.3 m/s is the correct answer.

User Pati
by
7.8k points
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