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(1) A bullet of mass m and speed v passes completely through apendulum bob of mass M. The bullet emerges with a speed of v{2. Thependulum bob is suspended by a stiff rod of length l and negligiblemass. What is the minimum value of v such that the pendulum bobwill barely swing through a complete vertical circle? In otherwords, enough to cause the pendulum bob to reach the top of itscircular path.
If a transformer steps the voltage down from 8800 V (at the pole) to 120 V (at the building) and it is to deliver 1000 kW to the building at 80% efficiency, what is the ratio of primary turns to secondary turns
A 2.80-kHz tone is being produced by a speaker with a diameter of0.240 m. The air temperature changes from 0 to27.1 oC. Assuming air to be an ideal gas, find the change in the diffraction angle
Examine the effect of changes in pin fin geometry (number of fins in the square array, fin diameter, fin length) on the maximum heat dissipation rate. Consider arrangements of 16, 25, and 36 pin fins, and plot the effects of fin diameter and lengt..
please write down the general wave equation in fluid and solid. show the simple solution of the wave equations and
One wire in a high voltage transmission line carries 1000 Amp starting at 500 kV for a distance of 300 meter. determine the power loss due to resistive losses
An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +8.11 x 105 m/s to a final velocity of 1.21 x 106 m/s while traveling a di..
A block of mass m1 = 17 kg slides along a horizontal surface (with friction, μk = 0.49) a distance d = 2.45 m before striking a second block of mass m2 = 7.5 kg. How far does block 2 travel, d2, in meters, before coming to rest
If the three friends pull the object at constant velocity for 10 m, how much work have they done? What is the coefficient of kinetic friction between the object and the surface?
A scholars open a 12 kilogram door by applying a force of 40 Newton at a perpendicular distance of 0.90 meter from the hinges. Evaluate what the magnitude of angular acceleration
A sphere of mass 46 kg is attached to one end of a rope, Find the work done by the force of gravity on the sphere
What is inductance of the solenoid
A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.76 10-11 m. Determine the kinetic energy of the electron.
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