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a child is twirling a 00120 kg ball on a string in ahorizontal circle whose radius is 0100 m the ball travelsonce
a car travels at a constant speed around a circular trackwhose radius is 26 km the goes once around the trakc in 360s
the refractive indices of materials a and b have a ratio of nanb 171 the speed of light in material a is 136 x 108 ms
a man throws a rock from the top of a cliff that is 800 m above ground level with an initial speed of 390 ms at an
a spring is hung from a ceiling and an object attached to itslower end stretches the spring by a distance of 500 cm
what mass of manganeseiii fluoride will be produced if 5500g of manganeseiii iodine and 5000g of fluorine react
what is the maximum current delivered to a circuit containing a 140 microf capacitor when it is connected across the
molecular iodine dissociates into iodine atoms at 625 with a first-order rate constant of 0271 what is the
an object moving in a liquid experiences a linear drag force dbv direction opposite the motion where b is a constant
a 1000kg ar accelerates from rest to 250ms in 420 signoring frictional forces what is the average power inhorsepower
assume your unknown sample is 75 khp what mass of the unknown sample should you measure in order for your titration to
a 50 kg box is pushed with a force of 12n across a smoothfloor for a distance of 10 meter it is then lifted 8
a merry-go-round rotates at the rate of 020 revs with an 80kg man standing at a point 20 m from the axis of rotationa
if a protein has a molecular weight of 62000 gmol and a molar absorbtivity of 98000 m-1 cm-1 at a concentration of
a certain string just breaks when it is under 400n of tension aboy uses this string to whirl a 10kg stone in a
electrons on a radio broadcasting tower are forced to oscillate up and down the tower 535000 times each second what is
two steel guitar strings have the samelength string a has a diameter of 050mm and is under 4400 n oftension string b
the pressure on 0600 mol of neon gas is increased from 825 atm to 200 atm at 100 degrees celsius assuming the gas to be
provide an explanation for the surprising fact that all trans-123456-hexaisoprpyl cyclohexane is a stable molecule with
a car rounds a banked curve the radius of curvature of theroad is r the banking angle is and the coefficient of
if 120 grams of sodium metal are reacted with 200 ml of water how many grams of naoh will be produced the density of
a playground merry-go-round ofradius 200 m has a moment of inertia i 325 kgm2 and isrotating about a frictionless
one mole of a hydrocarbon whose formula is cnhm is burned in oxygen at 298k and 1atm pressure show that the enthalpy
suppose a 55 kg person stands at theedge of a 55 m diametermerry-go-round turntable that is mounted on frictionless
a potters wheel is rotating arounda vertical axis through its center at a frequency of 18 revs the wheel can be