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gas is contained in an 64 l vessel at a temperature of 20degc and a pressure of 82 atma determine the number of moles
three carts of masses three carts of masses m160 kg m2120 kg and m350 kg move on africtionless horizontal track with
a heat pump has a coefficient of performance of 375 and operates with a power consumption of 689 103 w how much energy
the two wires of length 2 m are 3 mm apart and carry a current of 10 a dc calculate the force between these wires
doubling the total energy of a particle a does not affect its momentum b quadruples its momentum c more than doubles
two satellites are headed towards each other and crash the one on the left has a rest mass of 200 kilograms and a
light hits the surface of water n 133 at an incident angle of 250 degrees with respect to the normal line what is the
after a 301 resistor is connected across a battery with a 021 internal resistance the electric potential between the
a transverse periodic wave is represented by the equation zyt 32 cm sin 5m-1 y 1500 rads t what is the frequency of
a rubber balloon is filled with 1 l of air at 1 atm and room temperature if the balloon is placed in liquid nitrogen
what is the differential equation for free vibrations in the y direction with damping write your equation using the
a grandfather clock has a brass pendulum with a period of 1 sec at 20c in the summer the temperature of your house rise
what is the general differential equation for a transverse wave with displacements in the y direction travelling
a 10-cm-diameter pipe widens to 20 then narrows to 05 liquid flows through the first segment at a speed of 40 speed
mass of box is 15kg starts with an initial velocity of 3ms in the direction opposite ot that of the force it is again
sodium carbonate a base can be used to standardize an acid a 0263 g sample of sodium carbonate requires 2835 ml of
river pascal with a volume flow rate of 55times105 joins with river archimedes which carries 110times106 to form the
earth has an equatorial radius of approximately 6380 km and it rotates 360 degrees every 24h what is the angular
a large storage tank open to the atmosphere at the top and filled with water develops a small hole in its side at a
a glass optical fiber n 150 is submerged inwatern133 what is the critical angle for light to stay inside the
the vertical displacement due to a travelling wave moving horizontally is given by yxt 54cos4rads t sec where x and y
the organ pipe in the figurefigure 1 is 280 longa what is the frequency of the standing wave shown in the pipeb what is
a piano wire with mass 285 g and length 820 cm is stretched with a tension of 350 n a wave with frequency 120 hz and
at a distance of 700times1012 m from a star the intensity of the radiation from the star is 151 wm2 assuming that the
an amount of an ideal monatomic gas has an initial pressure of 210 kpa an initial volume of 12x10-3 m3 at an initial