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A jig used to size coal contains a screen that reciprocates with a frequency of 600 cpm. The jig weighs 500 Ib and has a fundamental frequency of 400 cpm.
If an absorber weighing 125 Ib is to be installed to eliminate the vibration of the jig frame, determine the absorber spring stiffness.
What will be the resulting two natural frequencies of the system?
You need to determine the density of a ceramic statue. If you suspend it from a spring scale, the scale reads 28.4N. What is the density
Disregarding any radiation heat exchange, determine the rate of evaporation of the liquid nitrogen in the tank as a result of the heat transfer from the ambient air.
Write the time-domain expressions for the electric and magnetic field vectors for a wave traveling in the -z direction in seawater and having a frequency of 1 MHz.
A batter hits a pitched ball when the center of the ball is 1.24 m above the ground.The ball leaves the bat at an angle of 45° with the ground. find the distance between the fence top and the ball center
A rocket of mass 7 kg moves with a constant velocity of 547 m/s eastward. It suddenly explodes and scatters into two pieces. find the direction of the second part
A Physics professor jumps her snowmobile from the top of a 1.50 m high ramp that is inclined at an angle of 18.0o above the horizontal. Find how high above the ground will the professor be
A hang glider and its pilot have a total mass equal to 113 kg. While executing a 360° turn, the glider moves in a circle with a 9 m radius. What is the net force on the hang glider
A rock is suspended from a scale reads 20.0 N. A beaker of water ( having a density of 1000 kg/m^3) is raised up so the rock is totally submerged in the water. The scale now reads 12.5 N. What is the density of the rock?
In order to double check your conclusions about this gas's properties, you decide to predict how many hydrogen atoms are in the third excited state, relative to the 1st excited state (which you can then subsequently compare to measured values). L..
A long solenoid (cross-sectional area = 1.0 x 10-6 m2, number of turns per unit length = 2380 turns/m) is bent into a circular shape so it looks like a doughnut. Find the emf induced in the toroid
what volume should the balloon have after being inflated. Billiard ball A of mass mA=0.400kg moving with speed vA=1.80m/s strikes ball B, initially at rest of mass mB=0.500kg. As a result of collision, ball A is deflected off at an angle of 30.0 deg..
Near the end of a marathon race, the first two runners are separated by a distance of 65.0 m. The front runner has a velocity of 3.25 m/s, What is the magnitude of the velocity of the second runner
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