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a block of mass 46 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal if the
the wave length associated with the cutoff frequency for silver is 3250 nm find the maximum kinetic energy of the
can someone please explain how to do this problem i asked before but the past answers didnt really help a rectangular
one more question kohaq h3po4aq for the equation given above enter the total ionic equation and net ionic equation
1 your friend joe hangs from a horizontal bar by his two hands with his arms each inclined 35 degrees from the vertical
a 50 g hollow plastic ball is attached by a thread to the bottom of a beaker when the beaker is filled with water so
cahco32s hbraq for the equation given above enter the total ionic equation and net ionic
the spring shown is compressed 50 cm and used to launch a 100-kg physics student the track is frictionless until it
determine the activation energy in kjmol for a first order reaction if its specific rate constant 300e-05 s-1 at 350 k
a photon has momentum of magnitude 815times1028kgms 1 what is the energy of this photon give your answer in joules2
block a m 120 kg originally at rest is pushed with a net horizontal force of 786 n for 534 m as it slides across a
b2 reacts with ab to form ab2 according the the balanced equation b2 2ab --gt 2ab2 if 15 moles of b2 are reacted with
in attempting to pass the puck to a teammate a hockey player gives it an initial speed of 30 ms but because of the
why is a reaction that is performed in ethanol considered greener than a reaction that uses dichloromethane as a
suppose that a high-energy particle accelerator accelerates an electron to such great speed that its relativistic mass
draw the most stable contributing structure for the cyclohexadienyl anion formed by the reaction of methoxide ion with
a converging lens is located 100 cm to the left of a diverging lens the focal length of the converging lens is 200 cm
a 200 nc charge is placed on the x-axis at x -300cm another 200nc charge is placed on the x-axis at x300cm and a third
give the name or chemical formula and draw all possible structures 1 bisenco3-u-imido-u-hydroxobisenco3 ion 2
a copper cathode with an initial mass of 1077 g is placed in a solution of cuso4 after current has passed through the
the specifications for a ceiling fan you have just bought indicate that the total moment of inertia of its blades is
graphically determine the resultant of the following three vector displacements 1 24 m 36 north of east 2 18 m 37 east
a monochromatic beam of light of wavelength 720 nm is incident normally on a diffraction grating with 4000 linescm what
the molecular mass of helium is 4gmol the boltzmanns constant is 138066 10-23 jk the universal gas constant is 831451
15 mol of an ideal gas expands isothermally at 373 k to 125 its inital volume find the heat flow into the system the