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Problem: A 101 kilograms horizontal platform is a uniform disk of radius 1.99 meter and can rotate about the vertical axis through its center. A 67.3 kilogram person stands on the platform at a distance of 1.11 meter from the center and a 28.3 kilogram dog sits on the platform near the person, 1.31 meter from the center.
Part A. Obtain the moment of inertia of this system, consisting of the platform and its population, with respect to the axis.
A meter stick supported at the 50 cm mark has masses of 300 g & 200 g hanging from it at the 10-cm & 60-cm mark, respectively. Where should we hang a third, 400-g mass to keep the meter stick balanced?
A college Student went to an amusement park where they rode a ridecalled the rotor. What is the angular acceleration required for the floor todrop after 10 seconds
An energy-efficient lightbulb, taking in 23.0 W of power, can produce the same level of brightness as a conventional lightbulb operating at power 100 W. The lifetime of the energy-efficient bulb is 10 000 h and its purchase price is $4.00, whereas..
A rocket ship of proper length l0 trav- els at constant speed v in the x-direction relative to a frame S. The nose of the ship passes the point x = 0 (in S) at time t = 0
A screen is placed 1.20m behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.40cm wide-that is, find the distance between the two second-order minima
A ball of mass 15.49 kg rests on a table of height 0.72 m. The tabletop is a rectangular glass plate of mass 12.13 kg, what is the force that the tabletop exerts on each leg
A reflecting, spherical Christmas tree ornament has a diameter of 6.0 cm. Where is the image located
A charged particle travels undeflected through perpendicular electric and magnetic fields whose magnitudes are 1000N/C and 60mT , respectively. Find the speed of the particle if it is a proton.
A small body of mass 0.28 kg is undergoing simple harmonic motion of amplitude 4.0 cm and period 0.10 s. What is the maximum value of the force acting on it? If the oscillations are produced by a spring, what is the spring constant?
A spherically shaped balloon has a radius of 8.56m, and is filled by helium. How large a mass of cargo can it lift, assuming that the skin and structure of the balloon have a mass of 988kg?
In a T1 PCM-TDM system, 24 signals all with the same bandwidth of 4 kHz are multiplexed after sampling at their Nyquist rate. If an 8-bit ADC is employed in this T-carrier system, find the speed of the digital multiplexed line.
A wheel of diameter 24.0 cm is constrained to rotate in the xy plane, about the z axis, which passes through its center. What is the torque about the rotation axis at this instant
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