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a 292 kg motorcycle is accelerating up along a ramp that isinclined 250deg above thehorizontal the propulsion force
a 175 g sample of c2h6 mm 3007 g i mol was maintained in a 125 l vessel at 2906 k it was allowed to expand
you throw a ball with a speed of 250ms at an angle of 40degrees above the horizontal directly toward a wall the wall
a steel cylinder with a radius of 5cm and a length of 4cm is placed in end to end thermal contact with a copper
a particle starts from the origin at t 0 with a velocity of80j ms and moves in the xy plane with a constant
for a charged hollow metal sphere with total charge q and radius r centered on the origin select trueor false for each
the leaning tower of pisa is 55m tall and about 70 m indiameter the top is 45m off center is the tower in
consider two uniformly charged parallel plates as shown in the figure the magnitudes of the charges areequalif the
a 2000 kg car rounds a circular turn of radius 20 m if theroad is flat and the coefficient of friction between tires
it is currently popular for automobiles to use 10 ethanol 90gasoline mixtures lsquogasoholrsquo as fuel according
a 550 kg ice skater is moving at 400 ms when she grabs theloose end on a rope the opposite end of which is tied to a
a skier of mass 61 kg ispulled up a slope by a motor-driven cablea how much work is required to pull him70 m up a 30deg
a 650 kg elevator startsfrom rest and moves upward for 430 swith constant acceleration until it reaches its cruising
a 6cm diameter horizontal pipe gradually narrows to 4cm whenwater flows throught this pipe at a certain rate the
a hypodermic syringe contains a medicine with the density of water see figure below the barrel of the syringe has a
a sphere of radius 200cm and mass 180 kg starts from rest and rolls without slippingdown a 300ordm incline that is 100
in a game of basketball a forward makes a bounce pass to the center the ball is thrown with an initial speed of 48 ms
a 80kg person at the fair rides the famous spinning bottomlesscylinder r 4m when the cylinder spins fast enough the
a particle with charge of 4 microcoloumbs is at the origin another identical particle is placed 2 m from the origin on
a ball having a mass of150 g strikes a wall with a speed of48 ms and rebounds with only 50 ofits initial kinetic
a 2l steel vessel is filled with 15atm of he gas at 25 degrees celsius then 5 grams of o2 gas are added to the vessel
the wavelength of violet light is about430 nanometers or 430 10-7 m the frequency of the violet light reflected from a
energetic free electrons can transfer their energy to bound electrons in atoms in 1913 james franck and gustav hertz
a student investigating circular motion places a dime 10 cm from the center of a 33 amp13-rpm record on a turntable
a 400kg soccer ball approaches a player horizontally with aspeed of 150 ms the player illegally strikes the ball with