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after a 301 resistor is connected across a battery with a 021 internal resistance the electric potential between the
a transverse periodic wave is represented by the equation zyt 32 cm sin 5m-1 y 1500 rads t what is the frequency of
a rubber balloon is filled with 1 l of air at 1 atm and room temperature if the balloon is placed in liquid nitrogen
what is the differential equation for free vibrations in the y direction with damping write your equation using the
a 05118g sample of caco3 is dissolved in a 12 m hcl and the resulting solution is diluted to 2500ml in a volumetric
a grandfather clock has a brass pendulum with a period of 1 sec at 20c in the summer the temperature of your house rise
what is the general differential equation for a transverse wave with displacements in the y direction travelling
a 10-cm-diameter pipe widens to 20 then narrows to 05 liquid flows through the first segment at a speed of 40 speed
the reaction ch33 cbr oh------ch33 cohbr in a certain solvent is first order with respect to ch33 cbr and zero order
mass of box is 15kg starts with an initial velocity of 3ms in the direction opposite ot that of the force it is again
if a weak acid ha is 3 dissociated in a 025 m solution calculate the ka and ph of the
choose a leading arab or muslim historical figure preferably from the field of mathematics you will then be required to
sodium carbonate a base can be used to standardize an acid a 0263 g sample of sodium carbonate requires 2835 ml of
how much heat energy is required to raise the temperature of 0368kg of copper from 230 degrees celcius to 600 degrees
river pascal with a volume flow rate of 55times105 joins with river archimedes which carries 110times106 to form the
earth has an equatorial radius of approximately 6380 km and it rotates 360 degrees every 24h what is the angular
draw a lewis structure that obeys the octet rule for each of the following anions assign lone pairs radical electrons
a large storage tank open to the atmosphere at the top and filled with water develops a small hole in its side at a
1- whats the exact alkalinity of a water that contains 06580 mgl of bicarbonate as the ion at ph of 5662- would you
a glass optical fiber n 150 is submerged inwatern133 what is the critical angle for light to stay inside the
the diameter of a neutral helium atom is about 10 multiplied by 102 pm suppose that we could line up helium atoms side
upon decomposition one sample of magnesium fluoride produced 166 kg of magnesium and 257 kg of fluorine a second sample
the vertical displacement due to a travelling wave moving horizontally is given by yxt 54cos4rads t sec where x and y
the organ pipe in the figurefigure 1 is 280 longa what is the frequency of the standing wave shown in the pipeb what is
a piano wire with mass 285 g and length 820 cm is stretched with a tension of 350 n a wave with frequency 120 hz and