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the pressure dissimilarity between the 40-cm-wide input end of a venturi tube and the 20-cm-wide narrow constriction is
a how much power is radiated with a tungsten sphere emissivity e 035 of radius 22cm at a temperature of 25 degrees
a 540 kg ice-skater moving at 64 ms glides to a stop assuming the ice is at 0degrees celsius and that 50 of the heat
while driving at a constant speed of 66 kmh you are passed by a car traveling at 120 kmh the frequency of light emitted
a 490 kg ballet dancer stands on her toes through a performance with four square inches 260cm2 in contact by the floor
a 1986 kg oldsmobile traveling west on saginaw street at 160 ms is unable to stop on the ice covered intersection for a
a block of mass 578 g is pushed against the spring by spring constant 74nm located o the left-hand side of the track
1 how much energy can be obtained from conversion of 10 gram of mass2 how much mass could this energy raise to a height
two pints a and b on the surface of the earth are at the similar longitude and 60o apart in latitude assume that an
a cylinder has a diameter of 16 cm the water level in the cylinder is maintained at a constant height of 043 mif the
a vacuum cleaner produces sound by a measured sound level of550 dba what is the intensity of this sound in wm2b what is
starting from rest at t 0 s a wheel undergoes a constant angular acceleration when t 17 s the angular velocity of the
1 how many transitions involving the hydrogen energy levels solid lines shown in the diagram correspond to photons of
a man pushes a lawn mower on a level lawn by a force of 215 n if 31 of this force is directed downward and 50 w of
a 50-kg mass by an initial velocity of 40 ms east collides with a 40-kg mass with an initial velocity of 30 ms west
the potential in a region among x0 and x6m is vabx where a11 v and b -5vm1 determine the magnitude and direction of the
a ray of light is incident on a flat surface of a block off utilize quartz that is surrounded by water the angle of
a piece of aluminum has density 270 gcm3 and mass 775g the aluminum is submerged in a container of oil of density 0650
1 compute the wavelength of light in vacuum that has a frequency of 91107nbsphz2 what is its wavelength in carbon
an object is placed 11 cm in front of a concave mirror whose focal length is 18 cm the object is 30 cm tall using a ray
the modulus of elasticity for a ceramic material having 55 vol porosity is 319 gpa1 compute the modulus of elasticity
a thin lens is made of glass having an index of refraction of 150 one side of the lens is flat and the other convex by
a 65 rm kg hiker climbs to the top ofa 450 rm m-high hillignoring the energy required for horizontal motion and
there is a 400 m wide river that flows west to east at 300mmin your boat moves at 100 mmin relative to the water no
with the distance of 0610 m by atmospheric pressure nutrient solution rho 1030 kgm3 can just barely enter the blood in