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Question: A crane in a cargo liner, of 50 MN displacement and GM = 1 m, lifts a weight of 0.2 MN from a cargo hold through a vertical height of 10 m. If the height of the crane's jib is 20 m above the hold and the radius of the jib is 10 m, calculate the reduction in GM caused by lifting the weight. What is the approximate angle of heel caused by turning the crane through 30 degrees assuming it is initially aligned fore and aft. Also assuming that the 0.2 MN is included in displacement.
One quarter of a square of side a is removed (see figure). What are the coordinates and of the centroid C of the remaining area?
(i) Find the fixed point. (ii) Transform the system into deviations from the fixed point. What are the characteristic roots of this transformed system? (iii) Derive the equations for the stable and unstable arms.
an 80-lb n boy sitting in a stationary 20-lb wagon wants to simulate rocket propulsion by throwing bricks out of the
The energy conversion efficiency of thermoelec- tric devices is commonly reported by evaluating Equation 3.128, but with Too,1 and Too,2 used instead of T1 and T2, respectively. Determine the value of YJTE based on the inappropriate use of Too,1 a..
H2O at 520 degrees celsius, 12 MPa(abs) enters a control volume operating at steady state with a volume flow rate of 40 m^3/min, 22% of the entering mass flow exits at 220 degrees celsius, 1 MPa(abs), with a velocity of 20m/s.
a process requires a conveyor to index cans 2.0 in. in 0.12s and dwell while a cover is pressed onto a can. the cap
Vel = 35 m/s; e=184.56 kJ/kg. If the potential energy can be considered zero, determine the specific internal energy. (kJ/kg)
The oxygen (O2) molecule is composed of two oxygen atoms, each with mass of 2.7 × 10-26 kg and a center-to-center separation 1.24 × 10-10 m.
The uniform, 20-kg bar is placed between two vertical surfaces. Assuming sufficient friction at A to support the bar, find the magnitudes of the reactions at A and B.
How does the expression for velocity V differ from that which would be obtained if a pitotstatic probe had been available and used with the same U-tube manometer?
Derive the equations for slope and deflection for the beam in Figure P7.1. Compare the deflection at B with the deflection at midspan.
two streams discharge into a pipe as shown. the flows are incompressible. the volume flow rate of stream a into the
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