The leg and cast weigh 177n w1. find out the weight w2 and, Ask an Expert

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Q1. The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.

Q2. A jet aircraft is travelling at 216 m/s in horizontal flight. The engine takes in air at a rate of 83.0kg/s and burns fuel at a rate of 3.15kg/s. The exhaust gases are ejected at 605m/s relative to the speed of the aircraft. Find thrust of the jet engine.

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