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A spool of mass m radius r and radius of gyration kG rolls without slipping on an incline whose angle with respect to the horizontal is (theta) A linear elastic spring with constant k and unstretched lenth L0 connects the center of the spool to a fixed wall. Detrmine the differential equation of motion of the spool using the x coordinate which is on the same like as the motion of the spool and determine the natural frequency of the system.
for the process where q 62.5 kjkg and wkcs 60 kjkg determine the energy change if the system mass is 2 kg 2. into a
in the bird-on-a-wire group work example how do you expect the angle and tension to be related? remember that this is
a household refrigerator that has a power input of 80w assume constant work input over time and a coefficient of
(a) Determine the surface temperatures on the two sides of the circuit board.
a 9 m3 tank has two sections separated by a membrane both of which contain nitrogen gas. the nitrogen in section a has
a stone is dropped into a lake causing circular waves whos radii increase at a contant rate of .5 m/s at what rate is the circumference of a wave changing when its radius is 4 meters?
A refrigerator with a COP of 3 removes 1.5 kW from the cold space at -9 °C while rejecting heat to the kitchen at 22 °C.
data analysis of the breaking strength of a certain fabric shows that it is normally distributed with a mean of 300 lb
when the rubber bands of the sling shot are pulled back each rubber band is stretched 3 in. the natural length and the
saturated liquid water at 25 degrees c is pumped to a pressure of 5 mpa in an isothermal process. the specific work
For the pendulum shown in the figure,the restoring torque due to gravity is given by T=mgLsin(thita). Derive the linearised equation about the operation point thita=0.
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
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