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A particular satellite was placed in a circular orbit about146 mi above the Earth.
(a) Determine the orbital speed of the satellite.
m/s
(b) Determine the time required for one complete revolution.
min
Light of 550nm is incident on two slits. A maximum is seen at an angle of 4.10 degrees and a minimum at 4.78 degrees. What is the distance between the slits
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What is the peak emf of the generator when its coil rotates at a frequency of 50 Hz? Find out the frequency of the coil's rotation when the peak emf of the generator is 163 V.
A heater coil connected to a 240-Vrms ac line has a resistance of 45. what is the average power used? What is the maximum value of the instantaneous power?
Regarding the Earth and a cloud layer 750m above the Earth as the "plates" of a capacitor, calculate the capacitance. Suppose cloud layer has an area of 1 km2 and that the air between cloud and ground is pure and dry.
If you twirl a small 9.0-g wooden ball in a circle at 3.0 revolutions per second on a light 11-cm string, approximately how many units of angular momentum does it have
A 1.6-m wire is wound into a coil with a radius of 4.07 cm. If this coil is rotated at 105 rpm in a 0.070-T magnetic field, what is its maximum emf
A solid cylinder of mass 3 kg and radius 0.2 m starts from rest at the top of a ramp, inclined 15°, and rolls to the bottom without slipping. (For a cylinder I = 0.5MR2) The upper end of the ramp is 1.2 m higher than lower end. Find the linear sp..
A box of 350N weight is at rest at the bottom of the plank that is 6.0m long and rises 30 degree above the ground. what is the velocity of the box at the top of the plank
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