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a compact disk on a cd player rotates clockwise the disk completes one revolution in 0260 sa find the angular velocity
a spherically spreading em wave comes from a 1200 w sourceat a distance of 50 m what is the intensitywhat is the rms
two blocks are in contact on a frictionless table a horizontal force f is applied to m2 if m1 136 kg m2 368 kg and f
a rotating fan completes 1000 revolutions every minute consider a point on the tip of a blade at a radius of 011 m
the range of a projectile depends not only on v0 and 0 but also on the value g of the free-fall acceleration which
a system of n particles move under the influence of interaction forces derived from potential terms depending only upon
an object falls from a height h from rest if it travels a fraction of the total height of 05612 in the last 100 s find
in a hydraulic lift the maximum gauge pressure is 185 atm if the diameter of the output line is 187 cm what is the
an open-topped tank completely filled with water has a release valve near its bottom the valve is 187 m below the water
consider a system consisting of three particlesm1 5 kg 1 lt 9 -7 14 gt msm2 3 kg 2 lt -12 7 -5 gt msm3 5 kg 3 lt
a satellite is in a circular orbit very close to the surface of a spherical planet the period of the orbit is t 230
a block with mass m 62 kg is attached to two springs with spring constants kleft 35 nm and kright 51 nm the block is
a uniform 1-kg disk with a radius of 25 cm rolls 2 m down an incline plane angled at 25deg what is the speed of the
a 50 kg person stands at the edge of a 74 m diameter circular platform which is mounted horizontally on frictionless
flint glass has a refractive index of 1645 for blue light and 1629 for red light when viewing an image these colors
t thin lense with a focal length of 50 cm is placed 100 cm from an object how far behind the lense should we place a
a fleas eye having a diameter of 0003 mm is examined under a microscope if the microscope has a magnification of 500x
a nonuniform electric field is directed along the x-axis at all points in space this magnitude of the field varies with
a microscope has an eyepiece of focal length 210 cm and an objective of focal length 410 cm the eyepiece produces a
an air-filled parallel-plate capacitor has plates of area 220 cm2 separated by 050 mm the capacitor is connected to a
a a cub scout makes a simple microscope by placing two converging lenses of 180 d at opposite ends of a 279-cm-long
two point charges are on the y-axis a 50 microc charge is located at y 105 cm and a -242 microc charge is located at y
a refracting telescope has an objective lens with a focal length of 230 m and an eyepiece with a focal length of 350 cm
the wavelength of characteristic x-rays in the k line from a particular source is 007970 nm determine the material in
a 093-microf capacitor is charged by a 370-v power supply the fully charged capacitor is then discharged through a