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an 185 kg box initially at rest is pushed 263 m along a rough horizontal floor with a constant applied horizontal force
state whether q w deltah and deltau are positive negative or zero for the following system include reasoningreversible
what is the magnitude of the acceleration of a rising hot-air balloon if the ratio of the air density outside the
a 939 g bullet is fired from a rifle having a barrel 0256 m long assuming the origin is placed where the bullet begins
teflonis a polymer synthsised by polymerisation of tetrafluoroethylene f2ccf2 use atomic masses c 12 f 19 and answers
hearing damage may occur when a person is exposed to a soundintensity level of 900 db relative to the threshold of
the force required to stretch a hookersquos-law spring variesfrom 0 n to 516 n as we stretch the spring by moving one
a sample of nitrogen gas in a 46-l container at a temperature of 26degc exerts a pressure of 39 atm calculate the
a 141 kg block is released at a 49 m height as shown the track is frictionless except for a portion of length 73 m the
a mass of gaseous water is given at a certain temperatur and a mass of liquid water is given at another temperature and
suppose 700 g of hydrogen is separatedinto electrons and protons suppose also the protons are placed atthe earths north
a jar test has shown that the optimum dose of ferric chloride consumes all of the alkalinity if the amount of ferric
a mass of 89103kg is placed on a 055 l cylinder with area 036 m2that contains 0021 mol of an ideal gas determine the
an excess of agno3 reacts with 1000 ml of an alcl3 solution to give 0325 g of agcl what is the concentration in moll of
how would the changing the concentration of 2-chloro-2-methylpropane affect the rate of the reaction of
we want to rotate the direction of polarization of a beam ofpolarized light through 90o by sending the beam throughone
which alkyl halide will react faster 2-chloro-2-methyl propane or 2-bromo-2-methylpropane explain how and why the
which will react the fastest with silver nitrate in absolute ethanol 1-bromobutane 2-bromobutane or
which alkyl bromide would react fastest with sodium iodide in acetone 1-bromobutane 1-bromo-2-methylpropane or
while exploring a sunken ocean liner the principal researcherfound the absolute pressure on the robot observation
how would the following changes affect the rate of the reaction with 1-bromobutane with nai doubling the concentration
which halide will react faster with sodium iodide in acetone 1-bromobutane or 1-chlorobutane explain how the nature of
which alkyl bromide will react the fastest with sodium iodide in acetone 1-bromobutane 2-bromobutane or
in a simple model of the hydrogen atom the electron revolves in acircular orbit around the proton with a speed of 16
a concave spherical mirror has a radius of 110cm anobjeect of height 15cm is placed 150cm from the mirrira where is the