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300 ml solution of 0010 m piperidine the active ingredient in hot pepper the protonated form is a monoprotic weak acid
the normal creatinine levels in adults are 06-12 mgdl if a 50-ml sample contains 45nbspmug of creatinine is that within
a cylinder of inertia 146 kgmm rotates about a vertical frictionless axle with angular velocity 34 radianssecond a
consider a system of hydrogen atoms in thermal equilibrium a hydrogen atom has degenerate energy levels en -136 evn2
three distinguishable particles meaning they can be labeled abc are to be distributed among five energy levels with
how many kilograms of hot water 70 degrees must be mixed with cold water 10 degrees so that the temperature of the
the allowed energies of a simple atom are 000 ev 405 ev and 512 evpart awhat wavelengths appear in the atoms emission
76 kg woman stands at the rim of a horizontal turntable having an inertia 558 kgmm and a radius 16 m the turntable is
a solid cylinder of inertia 14 kgmm rotates about a vertical frictionless axle with angular velocity 22 radianssecond a
over 500 planets have so far been detected beyond our solar system this is accomplished by looking for the effect the
determine the maximum velocity and maximum acceleration of a particle which moves in simple harmonic motion with an
1 a mass spring system is compressed by a distance l if let goa what is the max speed of the massb what is the work
a circular loop of a cross sectional area a 010m2 spins at a constant 30 rpm in a constant magnetic field b 10t what is
a lr circuit has l 00082 and r 33 ohms how long after it is turned on will the current in this circuit reach 63 of its
four wires are carrying a 10a current in the same direction the wires are at the corners of a square of sides s10m
a transformer has 100 turns in the primary coil and 20 turns in the secondary coil if the input voltage is 120v what is
a pitcher throws a 075 kg baseball at 30 ms towards a batter the batter swings and applies 7000n of force on the ball
why are hydrogen bonds so important in determining the properties of water what unusual properties of water have we
an electron q 160 x 10 -19 c is moving in the x direction at 100 x 108 ms when it encounters a constant magenetic
a circular loop of radius r 015mm carries a current of i 20a in a constant magnetic field b 010t what is the torque of
a microwave projects 10kw of power onto a 0250-m2 area what is the intensity of the microwave what is the peak
when a atom absorbe energy and go ground state to a excited state whether the kinetic energy of this atom will change
using a grating with a spacing of 000045 cm a line which looks like red light appears 32 cm from the central line on a
a proton moving in a uniform magnetic field withv1127times106ims experiences forcef 1146times10-16kn a second proton
1 64 g of a radioactive substance is prepared 85 hours later only 2 g remains to the nearest hour what is the