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Question: A steel shaft 50 in. long and 1½ in. in diameter is used as a torsion spring for the wheels of a light automobile, as shown in Fig. Determine the natural frequency of the system if the weight of the wheel and tire assembly is 38 lb and its radius of gyration about its axle is 9.0 in. Discuss the difference in the natural frequency with the wheel locked and unlocked to the arm.
Which one of the following terms is used to indicate the natural tendency of an object to remainat rest or in motion at a constant speed along a straight line?
Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches ( or 0.15m and a height of about 1.5 meters)
A bar of AISI 1020 structural steel 30 mm in diameter is under successive tensile loads of 198, 210, and 270 kN.
A) How fast should the car be traveling just as it leaves the cliff in order to just clear the river and land safely on the opposite side? B) What is the speed of the car just before it lands safely on the other side?
questionan elevator of mass 2268 kg rest at a level of 7.62 m above a base of elevator shaft. it is raised to 76.2 m
A flat coil enclosing an area of 0.07 m2 is rotating at 56 rev/s, with its axis of rotation perpendicular to a 0.17 T magnetic field. If there are 998 turns on the coil, what is the maximum voltage induced in the coil?
A racing dog is initially running at 18.0 , but is slowing down. By what fraction has its kinetic energy been reduced
Unpolarized light of intensity 0.75 mw/m2 is incident on the first of two polarizing lenses. The two lenses are oriented 37o apart. Compute the intensity of the light between the two polarizing lenses.
Find the electric and magnetic field amplitudes in an electromagnetic wave that has an average energy density of 2.7 J/m3. electric field
A 50-kg satellite circles planet Cruton every 5.6 h in an orbit by a radius of 12 × 106 m. What is the magnitude of the gravitational force on the satellite with planet Cruton?
q1. a 1720 kg car is travelling with a speed of 15.0 ms. what is the magnitude of the horizontal net force that is
A mass m is lowered gently onto a vertical spring of length L with spring constant k until it just touches the spring. Let y be the distance the spring is compressed and v be the velocity of the mass. When the mass is released from rest, the equation..
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