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an object falls from a height h from rest if ittravels a fraction of the total height of 06798 in the last 100s find
a projectile is fired horizontally from a gun that is 410m above flat ground the muzzle velocity is 260 mshow long does
a three-step cycle is undergone by 34 mol of an ideal diatomicgas 1 the temperature of the gas is increased from 200 k
a grating has 600 rulingsmm and is 50mm widea what is the smalleset wevelength interval it can resolve inthe third
determine the x and y components of the following three vectors in the xy planea a 15-m displacement vector that makes
a force in the negative direction of an x axis is applied for 22 ms to a 053kg ball initially moving at 15 ms in the
a man whose weight 584n is doing pushups his center of gravity is located 0410m from where his hands tough the ground
how would your calculated value for the molecular weight of your unknown been affected high low no effect if a small
the threshold of dark-adapted scotopic vision is 60 xnbsp 10-11wm2 at a central wavelength of 500 nm if light with this
2h2g o2g ---gt 2h2oga what is the limiting reagentb how many grams of steam are producedc how many moles of limiting
a solid wood door 100 m wide and 200 m high is hinged alongone side and has a total mass 400 kg initially open and at
light is emitted from an ordinary lightbulb filament inwave-train bursts about 10-8s in duration what is the length in
using the 3 errors systematic random and human what type of errors do each of the following represent explain each
the position of a 30 g ball is measured to be 273 cm - 004 cm that is the position is 273 cm with an uncertainty of 004
potassium permanganate 757 g reacts with sulfuric acid 1032 g as per the chemical equation shown below which reactant
if a particle undergoes shm with amplitude21 m what is the total distance it travels in one
a piston exerting a pressure of 100 atm rests on the surface of water at 25 degrees c the pressure is reduced
carbon disulfide and chlorine will react according to the equation below which of these is the limiting reactant if 84
if 120 grams of sodium metal are reacted with 400 ml of water how many grams of naoh will be produced the density of
calculate the number of moles of hydrogen oxygen and sulfur in a 100-g sample of a compound composed of the following
what is the empirical formula for a compound that contains 2011 hydrogen and 7989
a speeder is pulling directuly away and increasing his distancefrom a police car that is moving at 25ms with respect to
write and balance reactions for the following situationsa the burning of titanium metal in oxygen gas to produce
energy is released during a nuclear reaction due to aconversion between mass and energy mass is not conserved
suppose unpolarized light of intensity 150 wm2 falls on the polarizer at an angle 30 what is the light intensity