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a pendulum is released from rest extended horizontally the mass ofthe pendulum is 05 kg and the length of the string to
why must compounds be spotted above the level of the development solvent in the develop- ing
a centrifuge in a medical laboratoryrotates at an angular speed of 3400revmin when switched off it rotates through 520
a person looking out the window of a stationary train noticesthat raindrops are falling vertially down at a speed of
mrst boards plane a and her class boards plane b the two airplanes leave the airport at the same time mrs ts plane is
a c6h12 hydrocarbon rotates plane-polarized light this same hydrocarbon is subjected to catalytic hydrogenation
a 12-lb sledge hammer head falls a distance of 3-m hitting a030-g lead nail initially at a temperature of 22
to what pressure and temperature must one mole of xe gas raised in order for it to be in a state corresponding to
a calculate the average translational energy of a single h2s molecule and 10 mole h2s at 2000 degreesb to what
a fully charged capacitor with a voltage of 270 kv is discharged through a resistora what is the voltage across the
after a completly inelastic collision between 2 objhects ofequal mass each having initial speed v the 2 move off
two springs with spring constants k1 and k2 are put togetherend-to-end let x1 be the amount by whichthe rst spring is
estimate the molecular diameter of methane ch4 from the tabulated van der waals constants in atkins viscosity
1 a 100g granite cube slides down a frictionless 38 degreeincline at the bottom just after it exits onto a
1600 mole of ammonia gas is placed in a 1600cm3 box at 250 degrees the box is then heated to 500k which causes the
a car is normally capable of an acceleration of 3ms2 if it is towing a trailer with half as much mass asthe car itself
two evacuated bulbs of equal volume are connected by a tube of negligible volume one bulb is placed in a 200k
a 13 g bullet traveling 230 ms penetrates a 20 kg block of wood and emerges going 170 ms if the block is stationary on
a rocket-powered hockey puck has a thrust of 100 n and a total mass of 210 kg it is released from rest on a
a 0430 kg block is attached to a horizontal spring that is at its equilibrium lenght and whose force constant is 200 nm
a 15 g bullet strikes and becomes embedded in a 110 kg block of wood placed on a horizontal surface just in front of
an electronic flash attachment for a camera produces a flash by using the energy stored in a 860-mu f capacitor between
a gun is fired vertically into a 140 kg block of wood at rest directly above it if the bullet has a mass of 210 g and a
a certain mass when hung from a certain spring causes the spring to stretch by an amount h compared to itsequilibrium
a grappling hook attached to a 15-m rope is whirled in acircle that lies in the vertical plane the lowest point on