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The thin ring can be adjusted vertically between three equally long cables from which the 100-kg chandelier is suspended. If the ring remains in the horizontal plane and the tension in each cable is not allowed to exceed 1 KN, determine the smallest allowable distance required for equilibrium.
An astronaut on a small planet wishes to measure the local value of g by timing pulses travelling down a wire which has a large object suspended from it. Imagine the wire of mass 3.80 g is 1.60 m long and has a 3.00-kg object suspended from it. A pul..
A proton beam in an accelerator carries a current of 148 ?A. If the beam is incident on a target, how many protons strike the target in a period of21.0 s
Find the resulting angular speed of the disk (in rad/s) and describe the direction of rotation.
Based on this information and what you learned in this chapter about the action potential, estimate the total number of sodium ion channels in the membrane of a nerve cell
A simulated bungee jumper falls off a ledge. The plot below shows the force the bungee cord exerts on the jumper as a function of distance from the ledge. estimate the work done by the bungee cord
A sinusoidal transverse wave of amplitude ym and wavelength travels on a stretched cord. Find the ratio of maximum particle speed (the speed with which a single particle in the cord moves transverse to the wave) to the wave speed
Which of the following devices use a diffraction grating in order to function?
A dentist uses a concave mirror (focal length 4 cm) to examine some teeth. If the distance from the object to the mirror is 0.81 cm, what is the magnification of the tooth?
Find the rms speed of a helium molecule at 313 K. Find the rms speed of an iron atom of mass 55.9 u at 313 K. Find the rms speed of a pollen particle of mass 5.29 10-13 g suspended in water at a temperature of 313 K.
A 63.1 kilogram skier coasts up a snow-covered hill that makes an angle of 26.4 degree with the horizontal. Obtain the magnitude of the kinetic frictional force
A long cylindrical conductor is placed in an initially (i.e., before the cylinder is present)uniform electric field which is perpendicular to the axis of the cylinder. Find the electrical potential outside of the cylinder
A 82 kg diver steps off a 12 m tower and drops from rest straight down into the water. If he comes to rest 4.0 m beneath the surface, find out the average resistance force exerted on him by the water.
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