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the spacing between the lines of a diffraction grating is 2000 nm if red light of wave length 650 nm passes through the
a cylinder of radius 80 cm rolls 20 cm in 50 sec without slipping through how many degrees does the cylinder trun
a race car is traveling at a constant speed around a circular track what happens to the centripetal acceleration of the
a soccer player is at a park and kicks a ball with an initial speed of 1800 ms at an angle of 40 degrees above the
someone will carry two different load ma mb 30 kg and 50 kg the second load was attached to the ends of massless rod
solid state assignment1 bulk modulusthe thermodynamic expression for bulk modulus leads to the formula k vddvdudv
determine the surface area and volume ratio for the three cubes which one if the most efficient in cellular
a submarine dives to a depth of 236nbspfeet in the oceannbspwhat is the force in pounds acting on a hatch that has an
a test tone used on a radio has a frequency of 905 hz what is the wavelength of this sound in air at normal room
a bungee cord is stretched between two poles with a force ofnbsp405 n the length of the cord is 34 meters and it has a
an iron tower in is 363 meters tall on a cold day t -88 degrees celsius what is thenbspheightnbsptotalof the tower on
a 0041 kg aluminum bullet traveling at 444 ms strikes an armor plate and comes toa stopnbspif all its energy is
a consider a 500 kg disk radius 100 m on a frictionless inclined plane making an angle of 400deg with respect to the
5 the same power supply 10 volt and resistors r115 omega r230 omega and r355 omega are hooked up is seriesa what is the
assume your gaming console draws an rms current of 20 a how much money does it cost to play the gaming console for 125
what is the mass of a brass statue whose apparent weight when submerged in pure water is 200 newtons density of brass
1 ethanol boils at 784degc and the enthalpy of vaporization of ethanol is 424 kj mol-1 calculate the entropy of
two persons each of mass m are standing at the two extremes of a railroad car of mass m resting on a smooth track
a hypothetical nh molecule makes a rotational-level transition from l 3 to l 1 and gives off a photon of wavelength
what is the purpose and role of the electoral college as it relates to american culture has it usurped our
a find the force p that must be applied to a piston of area 1210 cm2 to produce sufficient fluid pressure to support a
you are on the 48th floor of the windom hotel the day is stormy and you wonder whether the hotel is a safe place
you attach a meter stick to an oak tree such that the top of the meter stick is 267 meters above the ground later an
during takeoff an airplane goes from 0 to 50 ms in 8 sa what is its accelerationb how fast is it going after 5 sc how
a 10 microci 13755cs source is used for 23 hours by a 80 kgstudent in a physics lab radioactive 13755cs decays by