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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
A two-slit pattern is viewed on a screen 1.26 m from the slits. If the two fourth-order maxima are 54.0 cm apart, what is the total width of the central bright fringe
A house is 30.0 ft long and 32 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house
Estimate how much the density of water changes between surface water and deep ocean water on the OR coast, assuming that only temperature changes. Apply reasonable estimates (+- 2 degrees Celsius) for the surface and deep water temperature, using val..
When a pendulum with a period of 2.00000 s is moved to a new location from one where the acceleration of gravity was 9.80 m/s2, By how much does the acceleration of gravity differ
A rectangular metal block is 0.6 m long, 0.2 m wide, and 0.1 m tall. The block weighs 270 N. What is the density of the fluid
A 2.0-kg cart is rolling along a frictionless, horizontal track towards a 1.0-kg cart that is held initially at rest. find the total momentum of the system of the two carts
A set of crash tests consists of running a test car, moving at a speed of 12.8 m/s, into a solid wall. Calculate the size of the average force which acts on the dummy
A current of 22.0 mA is maintained in a single circular loop of 1.90 m circumference. A magnetic field of 0.830 T is directed parallel to the plane of the loop. Calculate the magnetic moment of the loop
A 57 kg skier starts from rest at a height of H = 19 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal.
A 220 g air-track glider is attached to a spring. The glider is pushed in 12cm against the spring, and then released. A student with a stopwatch finds that 16 oscillations take 11.5.
A box of unknown mass begins at the base of a 30 degree ramp with an initial velocity of 10.0 m/s. calculate the maximum distance up the ramp which the box will reach
Two identical capacitors store different amounts of energy: capacitor A stores 3.3 10-3 J, and capacitor B stores 2.5 10-4 J. Find the voltage across the plates of capacitor A
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