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A rigid, well insulated container contains 10 kg of water. A motor connected to a paddle wheel is used to stir the water at a rate of 100 rad/s. How much toque docs the motor need to supply (in N-m) in order for the water to heat up by 10 degreeree C in one hour? Assume water has a constant specific heat of 4.18 kJ/kg-K
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
Solve for the dynamics of the resulting system for 20 seconds of real time using midpoint method.
How do I find the factor of safety using the distortion energy failure theory?
Calculate the value of forces P and Q for each test using the method of sections technique.
A bullet is fired horizontally into a wood block resting on a horizontal, frictionless surface. If the mass of the bullet is 0.02 Kg and the velocity is 600 m/s
Compute the theoretical density of CaF2, which has the fluorite structure. Ionic radii of Ca2+ and F- are 0.100 nm and 0.133 nm respectively.
the lower end of the 30 kg slender rod is displaced a small amount and released from the rest. determine the natural
what is the specific volume, internal energy (kj/kg) and enthalpy (kj/kg) for water at 1.8 mpa and 120 Degrees C? Locate the state on p-v diagram and document assumptions.
a curved rectangular bar has a mean radius of 6 in and cross section width b2.5 in and depth h 1.5 in. 1. determine the
Determine if the shaft has infinite fatigue life. If not, determine the number of cycles to failure. Also determine the safety factor for first cycle yield and draw a free body diagram, shear and moment diagrams, and graph the loads on the shaft..
is there any difference between the stresses measured at the top of the beam and at the same location on the bottom of the beam?
a ball is thrown vertically up with a velocity of 91 ftsec at the edge of a 190-ft cliff. calculate a the height h to
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