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Consider the belt and pulley system, the pulley radius is 0.09 m and the motor inertia is J_m= 0.01 kg*m^2. Calculate the equivelent torque of the motor (T_em) required to accelerate a load of 1.0 kg from rest to a speed of 1 m/s in a time of 4 sec. Assume motor torque to be constant during this interval.
Find the slope of the liquid surface in the can if the merry-go-round spins at 0.3 revolution per second.
the air with constant properties in a steady adiabatic flow enters a system at a pressure of 10 bars and 500k with a
an electrical wire having a diameter of 1.5 mm and covered with a plastic insulation thickness 2.5 mm is exposed to
a 0.5-in.-diameter steel e 30000 ksi bolt 1 is placed in a copper tube 2 as shown in fig. p5.47. the copper e 16000
a double effect evaporator is to be employed in concentrating 15 solution of naoh at 700f to 40. the condensing
water flows in a long electrically heated tube with q constant constant heat flux. the velocity and temperature
a small sphere of reference-grade iron with a specific heat of 447 jkgk and a mass of 0.515 kg is suddenly immersed in
a heat engine is operating on a carnot cycle and has a thermal efficiency of 55. the waste heat from this engine is
the hawkins supply company is currently faced with an inventory rotation problem.this difficulty stems from the fact
a large coal fired power plant has an efficiency of 45 and produces net 1500 mw of electricity. coal releases 25000
Calculate the heat transfer per kilogram of air between sections (1) and (2), and the stagnation pressure at section (2).
a first class lever in static equilibrium has a 50lb resistance force and 15lb effort force. the levers effort force is
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