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an object-spring system oscillates with an amplitude of 34 cm if the spring constant is 210 nm and object has a mass of
a large tank is filled with methane gas at a concentration of 0585 kgm3 the valve of a 138-m pipe connecting the tank
insects do not have lungs as we do nor do they breathe through their mouths instead they have a system of tiny tubes
in the conduction equation q kattl the combination of factors kal is called the conductance the human body has the
a large stick is pivoted about one end and allowed to swing back and forth as a physical pendulum the mass of the stick
a copper cable p1710-8ohmsm is designed to carry a current of 300a with a power loss of 2wm what is the required radius
an automobile starter motor will draw 180a from the 12v battery of a car for perhaps 2 seconds in the process of
a certain spring has a spring constant k of 25 k nm and is compressed by 50 cm the spring is used in a gun to propel a
what is the thinnest soap film excluding the case of zero thickness that appears black when illuminated with light with
a circular curve of highway is designed for traffic moving at 75 kmha if the radius of the curve is 155 m what is the
an object is undergoing simple harmonic motion with period 1250 s and amplitude 0570 mat t0 the object is at x0 how far
assume that the universe is a spherical cavity with a radius of 1026 m and temperature of 27 k how many thermally
a thin uniform rod has length l and mass m calculate the magnitude of the gravitational force the rod exerts on a
consider neon a noble gas whose molecules consist of single atoms of atomic mass 002 kgmol avogadros number is 602
a submerged scuba diver looks up toward the calm surface of a freshwater lake and notes that the sun appears to be 35o
the cooper windings of a motor have a resistance of 55 ohms at 20 degrees c when the motor is idle after running for
a monoenergetic beam of electrons in incident on a single slit of width 105 nm a diffraction pattern is formed on a
a the resistor has a value of 10ohms and the capacitor is 500uf calculate the time constant of the circuitb what is the
a a 30 k resistor has a current of 63 ma passing through it determine the voltage drop across the resistorvb a 40
an intense light source radiates uniformly in all directions at a distance of 46m from the source the radiation
a light bulb operating at 110v draws 182a determine its resistance and the amount of power it draws please show work
a youngs interference experiment is performed with blue-green argon laser light the separation between the slits is
a proton travels with a velocity of v 15 x 105ms i 40 x 105ms j and then enters a magnetic field b 15ti describe
a person on earth notices a rocket approaching from the right at a speed of 074c and another rocket approaching from
suppose one gallon of gasoline produces 11 x 108 j of energy and this energy is sufficient to operate a car for twenty