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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
calculate the work done in joules whne 25 mol of h2o vaporizes at a constant pressure of 10 atm and at a temperature of
a bowling ball of mass 71 kg and radius 90 cm rolls without slippingdown a lane at 52 ms calculate its total kinetic
a uniform meter stick of mass m has ahalf-filled can of fruit juice of mass m attached to oneend the meter stick and
a particular natural gas has the following mass percent compostion 8129 methane 818 ethane 418 propane 212 butanes 106
a the earth travels with an approximate speed of 299 kms 66 900 mih in its journey around the sun the mass of the earth
calculate the total heat capacity in jdegreec for a bomb calorimeter that contains 2069g of waterspht418 jg degreec
a 1kg block of ice at 0o c falls into alake whose water is also at 0o c and 001 kg of the icemelts what was the minimum
a a very powerful vacuum cleanerhas a hose 263 cm in diameter withno nozzle on the hose what is the weight of the
a ball is thrown vertically upward with a speed of 186 msfrom a point 382 m above the ground calculate the time in
its possible to estimate the percentage of fat in the body by measuring the resistance of the upper leg rather than the
a 110 resistor 100 mh inductor and a 900 microf capacitor are connected in series to a 550 v rms source having variable