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assume an asteroid is in the shape of a sphere and has a mass of 1200 kilograms determine the density in grams per
problem a laoded shopping cart 24 kg rolls across a parking lot and hits and hits an empaty cart 12 kg which was at
the mass of earth is 5972 1024nbspkg and the radius of earth is 6371 km a 750 kg satellite orbits 35800 km above earth
consider two identical pucks that undergo an elastic collision on a level air table if one of the pucks is stationary
a student lies on a very light rigid board with a scale under each end her feet are directly over one scale and her
if the puck has a radius of 2 cm and properties as described in the procedure what is the ratio of angular velocity to
consider a macroscopic system of two blocks that are in thermal contact the two-block system is isolated from the rest
a barbell with two equal masses 10 kg on either end rotates about an axis perpendicular to the bar with an angular
physics question regarding torquea 30 m bar with negligible mass is fastened such that it hangs straight out from the
water at 170 degc is sprayed onto 0192 kg of molten gold at 1063 degc its melting point the water boils away forming
1 what metal has a density of 79 x 103 kgm3 2 a beauty crown is made of a pure precious metal the crown has a weight of
the milky way appears to us as a patchy and irregular band across the sky what accounts for
objects a and b have the same mass of 43 kg and are at their melting points they melt when 47 times 104nbspj of heat is
three portions of the same liquid are mixed in a container that prevents the exchange of heat with the environment
a ruler is accurate when the temperature is 248 degc when the temperature drops to -121 degc the ruler shrinks and no
to drive a typical car at 40 mph on a level road for one hour requires about 32 x 107 j of energy suppose one tried to
anbspsams job at the amusement park is to slow down and bring to a stop the boats in the log ride if a boat and its
what is nuclear fission how do you account for the release of a large amount of energy in a nuclear fission
a circular astroid belt of total mass m and average radial distance r rotates uniformly around a sun with angular speed
a video game console requires 600 v to operate correctly a transformer allows the device to be powered from 120 v
consider an imperial death star withnbspm979times1015nbspkg and radius r167 km death stars are basically spherical what
schedule 40 steel pipe 508 mm diameter is used to construct a piping system the length of pipingnbspis 100 m and there
io is a moon of jupiter io has a mass of 89319times1022nbspkg and jupiter has a mass of 1898times1027nbspkg jupiters
please show work along with answers1nbspa device in a 120 v circuit has a current rating of 20 amp determine the
an airplane flies at 150kmhr and heads 30 degrees south of east a 60 kmhr wind blows in a direction 25 degrees south of