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A 160-lb person is holding a 10-lb weight in his palm with the elbow fixed at 908 flexion (Fig. 4.8, top).
(a) What force must the biceps generate to hold the forearm in static equilibrium?
(b) What force(s) does the forearm exert on the humerus? width=
Figure 4.8 (top) The forearm held statically fixed in 908 flexion while holding a 10-lb weight at the hand. (bottom) Free-body diagram of the forearm system
Water (1.25 kg/s) is to be heated from a pipeline temperature of 15°C to 85°C using superheated steam (13.75 kg/s) at 550°C and 3 MPa in a steady-state process to produce 15 kg/s of heated water. The heating is to be done in a mixing tank by directly..
Kyoto box is a simple solar oven used extensively in Africa. Assuming a square box with four reflectors of L = 75 cm, on a sunny day with direct sunlight from the zenith, what is the optimum angle ?? What is the total solar power received by the b..
Explain Non-adiabatic operations of flow reactors. 15In non-adiabatic operations, heat interchange with the surroundings will beaccounted. The conversion can be defined as the ratio of the net heat still needed after heattransfer to raise the feed..
The geometry and dimensions for a section of the blood vessel are shown on the right. Based on the Poiseuille's law the viscous resistance against blood flow through this section is determined to be 0.0002 mmHg•s/ml. If the diameter of the vessel ..
Problem: A 500mm conductor inside an electric motor has a force of 1.5 newtons exerted on it. If it is at right angles to a magnetic field of flux density 0.6 T, calculate the current flowing in the conductor.
She believes she can extract 1700 kW of work and 220 kW of heat that will be used to boil water at 1 bar. Her process, whose details are yet to be determined, will receive streams A and B as inlet and will have a single outlet stream that will be ..
Hydrogen gas at a pressure of 1.25 bar is contained in a thick-walled neoprene rubber sphere which has inner and outer radii of 70 mm and 80 mm, respectively.
One of the classical methods for the determination of the manganese content in steel is to convert all the manganese to the deeply colored permanganate ion and then to measure the absorption of light.
question 1 a using appropriate data sources to be cited correctly make a reasonably accurate sketch or graph of a
how much money should be deposited in the fund at the beginning of the program in order to have enough money accumulated to replace a complete $50,000 loss after 10 years?
Name two analytical methods commonly used in Industrial Hygiene. Illustrate your answer with two typical examples What are the four significant physical parameters that you would use to assess the thermal comfort of employees working in a hot and..
What is the very largest torque T that can be applied with elastic behavior everywhere? (Hint: cut combined shaft at C and consider separate shaft). What are the supporting torques?
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