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The angular velocity of a flywheel obeys the equation , where is in seconds and and are constants having numerical values 2.45 (for ) and 1.60 (for ). Part D What is the angular acceleration of the wheel at = 2.50 ? Part E Through what angle does the flywheel turn during the first 1.50 ? (Hint: See Section 2.6 in the textbook.)
The velocity vs. time curve of an object is an increasing straight line. What is the acceleration of the object
At very low termperatures the molar specific heat of many solids is approximately Csubv=AT^3..For alymninum, A=3,15 times 10^-5. how do we know that this is constant volume
The current in a coil drops from 3.4 A to 2.8 A in 0.51 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
A ray of light originating in oil (n = 1.21) is incident at the Brewster angle upon a flat surface of a quartz crystal (n = 1.458). Determine the angle of incidence for this ray
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 300 m/s. Find the emf induced between the wing tips
A bar of length .15 m, width .05 m and negligible height is spinning about its center of mass at 2 radians per second. what is their final angular velocity
A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 226 N/m and the mass is 453 g, determine the mechanical energy of the system
A string with a mass m = 9.00 g and a length L = 4.00 m has one end attached to a wall; the other end is draped over a small, fixed pulley a distance d = 3.00 m from the wall and attached to a hanging object with a mass M = 8.00 kg as in the figu..
Three deer, A, B, and C, are grazing in a field. Deer B is located 63.9 m from deer A at an angle of 51.4 ° north of west. What is the distance between deer A and C
question1a 150 30.0-cm-diameter turntable rotates on frictionless bearings at 61.0. a 17.0 block sits at the center of
A student sits on a rotating stool holding two weights, each of mass 3.00 kg. When his arms are extended horizontally, Find the new angular speed of the student
"The drawbridge then starts to rise and the dancer continues to stand on one leg. The drawbridge stops just at the point where the dancer is on the verge of slipping. What is the magnitude of the frictional force now? The answer should not dépend on ..
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