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imagine you are pushing a 15 kg cart full of 25 kg of water up a 10 degree ramp if the coeff of friction is 02 what is
for a particular reaction it was found that the reaction rate was 16 times faster at 35oc than it was at 25oc it was
a he-ne laser produces light of wavelength 633 nm with intensity 109 103 wm2 over a beam of cross-sectional area 104
a somebody puts an expandable balloon on the opening of the bottle without any gas escaping the outside pressure is
human skin is most sensitive to ultraviolet light of approximate wavelength 300 nmfind the energy of a single photon of
for the following reaction cog 2h2g ch3ohga what is the value of the equilibrium constant of the reaction at
a large grinding wheel in the shape of a solid cylinder of radius 0330 m is free to rotate on a frictionless vertical
identify and descrine the structure and function of specialised cells of protection sensation and secretion in the
walking on a merry-go-round a child of mass stands at rest near the rim of a stationary merry-go-round of radius and
a the root mean square velocity of argon atoms is found to be 567x103 ms what is the temperature of the gasb given the
a uniform diving board of length 521 m and mass 504 kg is supported at two points one support is located l1 332 m from
a a sealed glass bottle of volume 450l contains 125g of no2 gas a measurement reveals that the temperature is 285
a 435 kg car moving at 200 ms hits from behind another car moving at 90 ms in the same direction if the second car has
a block of wood weighing 2n slides down a 370 inclined plane starting from rest and reaching 2 ms what is the kinetic
the blank solution used to calibrate the spectrophotometer is 100ml of 02m feno33 diluted to 250ml with 01m hno3 why is
a 250 kg child slides down a long slide in a playground she starts from rest at a height h1 of 2000 m when she is
ethylene gas rmc2 rmh4 reacts with water at high temperature to yield ethyl alcohol rmc2 rmh6 rmohow many grams of
a d 377 mm diameter wire carries an electric current of i 119 a when the electric field is e 660times10-2 vm along
at beginning of the work up stage of the lab procedure the two phase reaction mixture probably contains the
consider a 500 kg dragster on a 200 m strip reaching the end of the strip in 5 seconds from a standing start find the
need two of the methods for polycyclic aromatic hydrocarbons degradation i know one of the method is photocatalysis but
2ps 3cl2g -gt 4pcl3l at 298kestimate the boiling point of pcl3 what approximation are you making when calculating the
the drawing to the left shows a mass m 15 kg hanging from a spring with spring constant k 10 nm the mass is also
if an electron has a mass of 9709x10-31 kg and a proton has a mass of 1672x10-27 kg approximately how many electrons
a weather vane initially at rest has a moment of inertia of 0122 kg middot m2 about its axis of rotation a 615 g piece