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An electric motor of mass 68 kg is mounted on an isolator block of mass 1200 kg and the natural frequency of the total assembly is 160 cpm with a damping factor of If there is an unbalance in the motor that results in a harmonic force of F = 100 sin 31.4t, determine the amplitude of vibration of the block and the force transmitted to the floor.
Evaluate the stability of of Na in the NaCl structure
A concave spherical mirror has a radius of curvature of 0.72 m. An object placed in front ofthe mirror is 0.30 m tall. Find the height of the image formed
A right triangle has a hypotenuse of length 17 cm and a leg of length 15 cm. What is the length of the other leg
A golfer hits a shot to a green that is elevated 3.30 m above the point where the ball is struck. find the speed of the ball just before it lands
A 19.6cm diameter coil consists of 40 turns of circular copper wire 1.7mm in diameter. estimate the current in the loop
A conducting sphere is placed within a conducting spherical shell as shown in the figure below. The conductors are in electrostatic equilibrium. The inner sphere has a radius of 1.50 cm, the inner radius of the spherical shell is 2.25 cm, and the ..
A daredevil decides to jump a canyon. Its walls are equally high and 10 m apart. What minimum speed must he have in order to clear the canyon
The height of the space needle observation tower is 180 meters when the temperature is 0 degrees Celsius. What is the height when the temperature rises to 30 degrees celsius
An electron beam contains electrons that move along the +x-axis at 0.020c. The beam enters a region of length 1.0 m and runs parallel to a wire that carries a 0.20-A current in the +x-direction.
You measure a distance from diffraction to screen to be 310[mm]. What should be the angle to the first spot measured off axis, if the distance from the center spot is 1.281E+02[mm]
In an interstellar gas cloud at 50 K, the pressure is 1.00 x 10-8 Pa. Assuming that the molecular diameters of the gases in the cloud are all 20 nm. Find what is their mean free path
toni has a mass of 43 kg and is moving with a speed of 11.6 ms. assume that air resistance is negligible.a find tonis
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