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the amplitude of an oscillator decreases to 631 percent of its initial value in 255 second find what is the value of
a 45 kilogram girl is standing on a 136 kilogram plank the plank originally at rest is free to slide on a frozen lake
a rifle with a weight of 20 newton fires a 35 gram bullet with a speed of 260 meter per seconda evaluate what the
a research submarine has a 30 centimeter diameter window that is 9 centimeter thick the manufacturer says the window
a 725 newton man stands in the middle of a frozen pond of radius 90 meter he is unable to get to the other side because
determine the force by the moon on earth their masses are 74 x 1030 kilogram and 60 x 1024 kilogram and it is 150
on a part-time job you are asked to bring a cylindrical iron rod of density 7800 kgm3 length 787 centimeter and
a child hunting for his favorite wooden horse is running on the ground around the edge of a stationary merry-go-round
a 5 watt night-light is plugged into a 120 volt circuit and operates continuously for 1 yearcompute the current it
a wind turbine is initially spinning at a constant angular speed as the winds strength gradually increases the turbine
a ferris wheel rotates at an angular velocity of 024 rads starting from rest it reaches its operating speed with an
a long straight metal rod has a radius of 20 millimeter and a surface charge of density 040 ncm2 obtain the magnitude
evaluate what is the magnitude of the acceleration of a modified atwood machine if the mass of the cart is 3 kilogram
a gas is compressed from 668 cm3 to 230 cm3 at a constant pressure of 306 kpa at the same time 50 joule of heat energy
a non conducting solid sphere of radius 240 centimeter carries a uniformly distributed positive charge of 780e-9 c find
a block with mass m 01 kilogram is located on a wedge inclined at an angle theta 30o above the horizontal the block
a molecule of dna deoxyribonucleic acid is 222 microm long the ends of the molecule become singly ionized negative on
an insulated beaker with negligible mass contains liquid water with a mass of 0310 kilogram and a temperature of
a ball of mass m is dropped vertically onto a spring a with spring constant k from a height of h above the top of the
an air bubble has a volume of 175 cm3 when it is released by a submarine 120 meter below the surface of a lake evaluate
a sealed cubical container 120 centimeter on a side contains three times avogadros number of molecules at a temperature
a charge of 286 mc is fixed at the center of a square that is 088 meter on a side obtain how much work is done by the
a rocket is fired from the surface of the earth at a speed of 20000 ms neglecting atmospheric effects evaluate how fast
one mole of neon a monatomic gas starts out at conditions of standard temperature and pressure the gas is heated at
gas is confined in a tank at a pressure of 109 atm and a temperature of 230degc if two-thirds of the gas is withdrawn