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Question: A non uniform rod AB of mass M and length 2l. the mass per unit lenght of the rod is mx.At a point of the rod distance x from A.
Find the moment of inertia of this rod. About an axis perpendicular to the rod through A.
Find the maximum temperature in a Carnot cycle operating in a room-temperature (23 degrees C) environment if its Carnot efficiency is 0.2. Express your answer using one significant figure. TH = ? K
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
A plane accelerates from rest at a constant rate of 5.00m/s2 along a runway that is 1800m long. What is the time tTO needed to take off
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.90 m/s2 for 4.45 s, With what speed does the car then strike the tree
A 23 g ice cube at -4.6 oC is place in an aluminum cup whose initial temperature is 80.56 oC. What is the mass in grams of the cup
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What was the angular acceleration during this time
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank.
Two people start at the same place and walk around a circular lake in opposite directions. How long will it be before they meet
a hole punch has a diamter of 8.0 mm and presses onto ten sheets of paper with a force of 6.7 kN, If each sheet of paper is of thickness .20 mm, what is the shear stress
A 150 kg rock (density is 2500 kg/m 3 ) is dropped to a lake. Determine how much force the man needs to life the rock from the bottom of the lake
An 9.00 {rm kg} point mass and a 15{rm kg} point mass are held in place 50{rm cm} apart. A particle of mass m is released from a point between the two masses 19{rm cm} from the 9{rm kg} mass along line connecting the two fixed masses.
Neutron stars are extremely dense objects that are formed from the remnants of supernova explosions. Many rotate very rapidly. Suppose that the mass of a certain spherical neutron star is 1.9 times the mass of the Sun and its radius is 20.9 km.
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