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A uniform disk of mass Mdisk = 4.7 kg and radius R = 0.22 m has a small block of mass mblock = 2 kg on its rim. It rotates about an axis a distance d = 0.16 m from its center intersecting the disk along the radius on which the block is situated.a) What is the moment of inertia of the block about the rotation axis?b) What is the moment of inertia of the disk about the rotation axis?c) When the system is rotating about the axis with an angular velocity of 4.7 rad/s, what is its energy?d) If while the system is rotating with angular velocity 4.7 rad/s it has an angular acceleration of 8.6 rad/s2, what is the magnitude of the acceleration of the block?
A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. What is the speed of the rider at the top of the loop
A grating has 530 rulings/mm and is 5.4 mm wide. How many higher orders of maxima can be seen
An RLC circuit has a reactance, due to its capacitance, of 19 kilo ohms a reactance, due to its inductance, of 10 kilo ohms; and a resistance of 25 kilo ohms
Four point charges have the same magnitude of 2.53 x 10^-12 C and are fixed to the corners of a square that is 4.15 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists ..
An alpha particle of mass m = 6.68×10-27 kg, positive charge q = 2e, and initial kinetic energy K = 9.00 MeV is projected, how close to the center of the nucleus is the particle when it comes momentarily to rest
The spaceship Intergalactica lands on the surface of the uninhabited Pink Planet, find the acceleration due to gravity on the Pink Planet\'s surface by means of a simple pendulum of length 1.06 m
The particles in the nucleus of an atom are approximately 1.00×10?15 apart, while the electrons in an atom are about 1.00×10?10 from the nucleus. How many pounds would the force be
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.08 km. What is the direction (relative to due east) of the couple's displacement
A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, What is the temperature change in the wire
A rotating flywheeel can be used to store energy. what is the moment of inertia of the wheel
An ac voltmeter, which displays the rms voltage between the two points touched by its leads, is used to measure voltages in the circuit shown in the figure . In this circuit, the ac generator has an rms voltage of 7.10V and a frequency of 30.0kHz ..
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