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if 10ml of 10-on naoh is added to 1l of the buffer prepared in a how much would the ph
initially 0900 mol of an ideal gas in a container occupies a volume of 340 l at a pressure of 380 atm with an internal
a uniform 17-kg rod that is 097 m long is suspended at rest from the ceiling by two springs one at each end both
as an admirer of thomas young you perform a double-slit experiment in his honor you set your slits 119 mm apart and
a 0117 kg meterstick is supported at its 377 cm mark by a string attached to the ceil- ing a 0624 kg mass hangs
a wheel is disconnected from a motor and come to rest from 14000 rpm because of a 090 mmiddotn frictional torque1 if
648g of nah2po4 and 2196 g of k2hpo4 are dissolved in sufficent water to make a liter of solution caluclate the ph of
a ferris wheel with radius 97 m rotates at a constant rate completing one revolution every 378 s suppose the ferris
a thin rod consists of two parts joined together one-third of it is silver and two-thirds is gold the temperature
when a 196 kg wheel with an angular speed of 220 rads is disconnected from a motor a 0238 n middot m frictional torque
an industrial laser is used to burn a hole through a piece of metal the average intensity of the light is s 127 109
a transition for an electron in the bohr hydrogen atom will be given you determine what energyfrequencywavelength
two 800mm x 800mm electrodes with a 010-mm-thick sheet of mylar between them are attached to a 80v battery without
if three 11 m fan blades are connected to a motor and accelerated uniformly from rest to 58 rpm in 11 minutesa
a 75 f capacitor is charged to 34 v and is then connected across a 11-mh inductor a how much energy is stored in the
a a certain medical machine emits x-rays with a minimum wavelength of 002 nm one day the machine has an electrical
a heater runs on an ac voltage of 120 v and draws a power of 26 w if this heater were run instead on a dc voltage of 70
the power brick for the authors laptop computer has a power rating of 60 w it uses a step-down transformer to convert
a fan is rotating at a rate of 740 rpm when the motor is turned off the blades slow to rest in 25 s what is the angular
a resistor with r 15 k is connected to an ac generator that operates at 60 hz with an amplitude of 49 v a find the
a transformer has an input coil with nin 400 turns and nout 1050 turns if the voltage across the input coil has an
a an electron in a hydrogen atom makes a transition from the n 5 energy stage to the ground state n1 what is the
the intensity of an earthquake waves passing though the earth is measured to be 20 x 106 jm2xs at a distance of 48km
a 10-cm-wide diffraction grating has 1300 slits it is illuminated by light of wavelength 560 nm what is the angle in
two narrow slits are illuminated by monochromatic light and an interference pattern is observed on a wall the wall is