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the top has a moment of inertia of 470 10-4 kgmiddotm2 and is initially at rest it is free to rotate about the
an 836kg person with density 1055 kgm3 stands on a scale while completely submerged in water what does the scale
to obtain the same antifreeze protection requires 76 of propylene glycol to replace each 62 of ethylene glycol
the position of a 300 object is given in meters by 5t3-79t2-45t where t is in seconds i need to finda what is the
two groups of canoeists meet in the middle of a lake after a brief visit a person in canoe 1 pushes on canoe 2 to
use the vsepr model to predict the effective electron pair electron cloud geometry and the molecular structure for the
an experimental flywheel used to store energy and replace an automobile engine is a solid disk of mass 211 kg and
a 1300 car is approaching the hill shown in the figure at 130 when it suddenly runs out of gas what is the cars speed
zircon is a mineral with the empirical formula zrsio4 if all the zirconium is 90zr all the silicon is 28si and all the
a hot-air balloon is ascending at the rate of 13 ms and is 93 m above the ground when a package is dropped over the
the drawing shows a coin resting on the bottom of a beaker filled with an unknown liquid a ray of light from the coin
a piece of metal foil is 1318 ft long and 512 inches wide the density of the metal is 8722 gcm3 and the specific heat
an energy storage system based on a flywheel a rotating disk can store a maximum of 44 when the flywheel is rotating at
air containing 1 mass water is humidified by adding water if air dry basis flows into the humidification process at
a source emits sound uniformly in all directions there are no reflections of the sound at a distance of 12 m from the
a high-speed lifting mechanism supports a 845-kg object with a steel cable that is 400 m long and 400 cm2 in
an interference filter is to be constructed for isolation of nitrobenzene absorption band at 1537 cm-1 if it is to be
assume that if the shear stress in steel exceeds about 400 108 nm2 the steel ruptures a determine the shearing force
1500 ml of radiator liquid from a car has a mass of 1569 g calculate the density of the radiator liquid based on the
an astronaut is being tested in a centrifuge the centrifuge has a radius of 10 m and in starting rotates according to
a temperature measurement of has three significant figures while a temperature measurement of has only two significant
a long rigid conductor lying along the x axis carries a current of 40 a in the negative direction a magnetic field b is
three identical freight cars are sitting on the tracks each separated by a small distance a fourth car is coasting with
a long solenoid has 150 turnscm and carries current i an electron moves within the solenoid in a circle of radius 240
a hamiltonian of one degree of freedom has the form with aband k areconstanthp22alpha-bqpexp-alpha tba2q2exp-alpha