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The speed of an electric motor is increased uniformly from 1200 to 1350 rpm in a time of 1.5 s. Find (a) the angular acceleration, (b) the number of revolutions turned during this time.
A winding drum is accelerated from 480 to 840 rpm in a time of 2 s. Acceleration continues at the same rate for a further 4 s after which the drum continues rotating at a steady speed. Calculate the time taken to complete the fi rst 200 revolutions.
Derive the expression for a simple spring mass system equation and its response. Plot the response for 3 different values of k, (k=1, k=10, k=100) assume mass M= 1, what are the natural frequencies in rad/sec and Hz for each case. Explain the differe..
Water as a saturated vapor at 600 °F is contained in a piston-cylinder device that has an initial volume of 30 ft3. The device undergoes a constant temperature process, until the water reaches the saturated liquid condition. Draw and label the state..
a submarine moves steadily through water at a depth of 350m and a speed of 5 ms. a find the static pressure p far away
A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminium alloy [E = 70 GPa] with a cross-sectional area of A1 = 2,400 mm2. Bar (2) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A2 = 6,0..
calculate the center to center distance between adjacent atoms of tungsten along the following directionsa- 100 b- 101
you are required to investigate the dynamic movement of a mass m sliding along a rod as shown in the diagram below. the
an adiabatic piston-cylinder system contains a 1000-w immersion heater and 4kg of h2o initially at 1 atm and 96 percent
A tensile test is performed on a brass specimen 10 mm in diameter using a gauge length of 50 mm. What is the modulus of elasticity E of the brass
air enters the compressor of an air-standard brayton cycle at 100kpa 300k with a volumetric flow rate of 5m3s. the
estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation
Air undergoes two processes in series: Process 1-2: Polytropic compression, with n = 1.3, from P1 = 100 kPa, V1 = 0.04 m3/kg to V2 = 0.02 m3/kg Process 2-3: Constant pressure process to V3 = V1 Sketch the cycle on a P-V diagram and determine the work..
The uniform bar with end rollers weighs 60 lb and is supported by the horizontal and vertical surfaces and by the wire AC. Calculate the tension T in the wire and the reactions against the rollers at A and at B.
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