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A textbook of mass 1.90kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.150m , to a hanging book with mass 2.93kg . The system is released from rest, and the books are observed to move a distance 1.22m over a time interval of 0.790s .
Part A What is the tension in the part of the cord attached to the textbook?
Part B What is the tension in the part of the cord attached to the book?
Part C What is the moment of inertia of the pulley about its rotation axis?
Explain how much mechanical energy is lost due to friction acting on the runner? How far does he slide?
The spacing between the lines in the pure rotational spectrum of 11B-2H (numbers are superscripts) is 3.9214E-11 s^-1, Calculate the bond length of this molecule
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You charge an initially uncharged 79.9-mF capacitor through a 48.1 Ohm resistor by means of a 9.00-V, What is the charge after a long time (coloumbs)
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Suppose you are 69 cm from a plane mirror. What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 4.90mm.
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White light containing wavelengths from 405 nm to 760 nm falls on a grating with 8000 lines/cm. How wide is the first-order spectrum on a screen 2.20m away.
Explain how fast will he be moving backward just after releasing the ball?
The loaded cab of an elevator has a mass of 3000kg and moves 216-m up the shaft in 23s at constant speed. At what average rate does the force from the cable do work on cab.
What is momentum of the block
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