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Your boss at the Cut-Rate Cuckoo Clock Company asks you whatwould happen to the frequency of the angular SHM of the balancewheel if it had the same density and the same coil spring (thus thesame torsion constant), but all the balance wheel dimensions weremade one-third as great to save material.
A) By what factor would the frequency change?
B) Would the frequency increase or decrease by the factor foundin part (a)?
C) By what factor would the torsion constant need to bechanged to make the smaller balance wheel oscillate at the originalfrequency?
D) Would the torsion constant need to be increased ordecreased by the factor found in part (c)?
A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. How far does the box slide down the incline before coming to rest
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 23.3-m tall building and land on the ground safely at a final vertical speed of 3.93 m/s. What is the angular acceleration of the drum
A 550 N physics student stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 450N. (a) Find the acceleration of the elevator. Find the mass of the worker.
A solid sphere with a radius of 0.70 m can be rotated about an axis through its center by a torque of 10.5 N *m which accelerates it uniformly from rest through a total of 180 revolutions in 15.0 s
what happens to speed of sound in air if you quadruple the temperatur of the air, How many times larger does it become
Starting from rest, object 1 is subject to a 10Nforce for 2.0 s. Object 2, with twice the mass, is subject to a 15N force for 3.0 s
An object initially at rest experiences an acceleration of1.7m/s2 for 7.0s and then travels at that constantvelocity for another 7.0s. What is the objects average velocityover the 14s interval?
Light of wavelength 669 nm is incident on a double slit. The angle between the central bright fringe and the second dark fringe is 4.90°. Determine the separation d of the slits
A sound wave with an intensity level of 80.9 dB is incident on an eardrum of area 6.00 10-5 m2. How much energy is absorbed by the eardrum in 3.0 minutes
A contact lens is made of plastic with an index of refraction of 1.36. The lens has an outer radius of curvature of +1.91 cm and an inner radius of curvature of +2.41 cm. What is the focal length of lens?
An infinitely long line of charge has a linear charge density of 8.00×10-12 C/m. A proton is at distance 16-cm from the line and is moving directly toward the line with speed 1200 m/s.
A electron emits radiation of wavelength 255 nm Calculate the maximum kinetic energy of the electron ejected, Calculate the de Broglie wavelength of the ejected electron
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