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In Fig. 15-53, three 18000 kg ore cars are held at rest on amine railway using a cable that is parallel to the rails, which areinclined at angle θ = 34°. The cable stretches 21 cm justbefore the coupling between the two lower cars breaks, detaching the lowest car. Assuming that the cable obeys Hooke's law, find the(a) frequency (in Hz) and (b)amplitude of the resulting oscillations of the remaining two cars
Gas is confined in a tank at a pressure of 1.04E+6 Pa and a temperature of 14.4°C. what is the new pressure in the tank
A proton is confined within an atomic nucleus of diameter 4.1 fm. Estimate the smallest range of speeds
The clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other. Find the wavelength and frequency of the third normal mode of vibration
A tunnel of length L = 146 m, height H = 7.7 m high, and width 5.7 m (with a flat roof) is to be constructed at distance d = 60 m beneath the ground, What is the total weight of the ground material the columns must support
A visual binary has a parallax of 0.4" (arcsec), a maximum separation (in arcsec) of a=6.0", and an orbital period P=80 y. What is the total mass of the binary system
Dario, a prep cook at an Italian restaurant, spins a salad spinner and observes that it rotates 20.0 times in 5.00 seconds, What is the angular acceleration of the salad spinner
question1a horizontal 800-n merry-go-round of radius 1.20 m is started from rest by a constant horizontal force of 45 n
A car is parked on a cliff overlooking the ocean on an inclinethat makes an angle of 22.0° belowthe horizontal. evaluate The length of time the car is in the air
A 31 kg child sits in a swing supported by two chains, each 4.5 m long. If the tension in each chain at the lowest point is 243N, find the childs speed at the lowest point
question1consider a tube filled with air at 17 degc and closed at both ends. let lengthnbspof the tube is 70 cm.nbsp a
A laser beam is projected through a diffraction grating which has a slit to slit separation of 2 microm (5000 lines/cm). What is the wavelength of the laser
A roller coaster travels at 98.9ft at an angle of 42.9 above the horizontal. How far does it move horizontally
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