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A spring-mass system has a frequency of 2 Hz. When the mass is decreased by 0.4 kg, the frequency is changed by 25%. Determine the mass,m, and the spring constant, k (N/m) for the original system.
Applied Loads, Young's modulus, Poisson's ratio, The Young's modulus and the Poisson's ratio for copper are 124.8 GPa and 0.36 respectively. When a tensile load is applie to a 1.5cm diameter copper rod
fluid is flowing horizontally at 100gpm from a 2in diameter pipe to a 1in diameter pipe. if the pressure is 10 psi at
a 250 mm bar of 15mm x 30 mm rectangular cross-section consists of two aluminum layers which are 5 mm thick each brazed
five 100 ohm resistors each having 5 tolerance are connected in series. what is the overall nominal resistance and
a steam turbine receives water at 15 mpa 600oc at a rate of 100 kgs shown in figure q4 below. in the middle section 20
refridgerant 410a is initially at 120 f and quality of 30. it undergoes a constant-pressure process. the final state is
If the motorcycle has a deceleration of a_t = -(0.001s);{rm m}/{rm s}^{ 2 } and its speed at position A is 18 m/s, determine the magnitude of its acceleration when it passes point B.
stainless steel ball bearings density8085 kgm3 and cp0.480 kjkg c having a diameter of 1. cm are to be quenched in
A small boat hangs from two davits, one of which is shown in the figure. The tension in line ABAD is 82 lb, determine the moment about C of the resultant force exerted on the Davit.
A heat pump with a COP (coefficient of performance) of 2.8 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power
a pendulum consisting of a bob of mass m is suspended from a massless inextensible string of length l in a viscous
consider a one-dimensional plane wall with constant properties and uniform internal generation qdot. the left face is
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