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The kinetic friction force between a 60.0-kg object and ahorizontal surface is 50.0 N. If the initial speed of the object is25.0 m/s, what distance will it slide before coming to a stop?
A 3.62m long organ pipe is open on both ends. the fundamental frequency is 47Hz, and Find its first three overtone frequencies
An experiment measures the temperature of a 270 substance while steadily supplying heat to it. The results of the experiment show. What are (a) specific heat of the liquid phase and (b) the heat of vaporization.
An LED is constructed from a pn-junction based on a certain GA-As-P semiconducting material whose energy gap is 1.9 eV. What is the wavelength of the emitted light
A plane accelerates from rest at a constant rate of 5.00 along a runway that is 1800 long. What is the time needed to take off
A person can focus clearly only on objects between 37.5cmand 51.0cm from his eyes. Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision
A diffraction grating produces a first order bright fringe that is 0.156 m away from the central bright fringe on a flat screen which is 0.550 m away. find the wavelength of the light shining on the grating
A tennis ball is struck at the base line of the court, 11.5 m from the net. The ball is given an initialvelocity with a horizontal component equal to 27.0 m/s at an initial elevation of 1.21 m.
Two charges are fixed on the x axis: one with a charge of = 5.00 at = -1.00 and the other with a charge of = 3.00 at = 1.50 . Find the force exerted on a charge = -5.00 placed at the origin (x=0). What are the magnitudes of the three charges q, q1..
q1. a series r-l-c circuit of r 200 ohms l 0.900 h and c 2.00 uf carries an rms current of 0.250 a with the
A grating has 350 rulings/mm and is illuminated at normal incidence by white light. A spectrum is formed on a screen 30cm from the grating. what range of wavelength passes throught the hole
Illustrate what is the minimum coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road?
1. A communications system uses QPSK instead of binary PSK. How much bandwidth is saved 2. A modem utilizes 8PSK modulation. If the modem's baud rate is 24 kbps, what is the information rate in kbps
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