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A uniform slender rod is placed at corner B and is given a slight clockwise motion. Assuming that the corner is sharp and becomes slightly embedded in the end of the rod, so that the coefficient of static friction at B is very large, determine
(a) the angle b through which the rod will have rotated when it loses contact with the corner,
(b) the corresponding velocity of end A.
A hot iron horseshoe (mass = 0.50- kg) which has just been forged, is dropped into 1.45 -L of water in a 0.50 kg iron pot at first at 22oC. If the final equilibrium temperature is 32oC, calculate the initial temperature of the hot horseshoe (in Ce..
A particle of charge +10.4mC and mass 5.43 x 10-5 kg is released from rest in a region where there is a constant electric field of +573 N/C. What is the displacement of the particle
At small airports, a wind sock (a tapered bag that pivots on a pole) acts as a wind vane and gives some indication of the wind speed. Explain its operation. What is a convection cycle, and what are the related effects near a large body of water su..
calculate the force p required to drag the block of mass 2 kg up the hill of angle 30 degrees at a constant velocity b
Did you write the questions so that it was easy to tabulate the responses? At the end, did you wish you had asked different questions?)
A driver is traveling at 72 km/hr when she sees a red light in the distance. She keeps traveling at this speed for two seconds, and then applies the brakes, decelerating the car to a stop at a rate of -5 m/s2. Compute her total stopping time, measure..
A 42.0-kg boy, riding a 2.90-kg skateboard at a velocity of 5.40m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocity relative to the sidewalk is 6.00 m/s, 7.20° above the horizo..
Fraunhofar double slit diffraction pattern is observed onthe focal plane of a lens of focal length 0.5m;wavelength ofincident light used is 500nm; Find the distance between their centres
Given the arrangement of conductors shown below, draw the electric field lines (be sure to include the arrows).
Choose one column of data from your time measurements and explicitly calculate the mean and the standard deviation. Show that the values you obtained are the same as the ones as given by the computer. Determine if the computer has calculated σn or..
A ski jumper has 1.2 ´ 10 J of potential energy at the top of the ski jump. The friction on the jump slope is small, but not negligible. What can you end about the ski jumper's kinetic energy at the bottom of the jump.
0.10mol of nitrogen gas follow the two processes shown in the figure(Figure 1) . How much heat is required for isothermal process? How much heat is required for adiabatic process?
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