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Question: 25262718 please answer the questions in less an hour...

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25,26,27,18 please answer the questions in less an hour
Which of the following is NOT an example of potential energy? O (A) a book held above the floor O (B) a iron object held in a magnetic field O (C) a compressed spring O (D) a windmill
A roc ket is launched on a 20P ramp with dimensions as shown in the illustration. The rockets mass is 300 kg and thrust is 10,000 N. It initially starts at rest at time t 0, and the dynamic coefficient of friction be ramp is 0.15. At most nearly what time will the rocket reach the end of the ramp? tion between the rocket and the 20° 10000 N 400 m O (A) 32s O (B) 43s O (C) 5.5s O (D) 8.3 s
What force will cause impending motion up the plane shown? 100 kg d = 0.4 30° O (A) 820 N O (B) 970 N1 O (C) 1100 N 〇(D) 1250 N
How are thin airfoils modeled in a simple supersonic analysis? O (A) as flat plates O (B) as streamlines of the flow e (C) as diamonds O (D) the camber and thickness are analyzed separately k Prev
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