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why do objects with a higher specific heat capacity cools down slower than those with a lower specific heat
why do concrete reaches a higher temperature at equilibrium than grass is this because of its high specific heat
an lc circuit has an inductance of 29 mh and a capacitance of 15 mf if the charge amplitude is 29 mc what is the
a car with a mass of 1200 kg traveling at 60 ftsec brakes to a stop within 40 ft assume that the braking force is
an electric dipole is formed from plusmn 50 nc point charges spaced 20 mm apart the dipole is centered at the origin
in some rural towns a loud whistle will announce noon if you set your watch by this noon whistle and are 56 km away
anbsp26 mm -diameter sphere is charged to -46 nc an electron fired directly at the sphere from far away comes to
nasas cassini mission to saturn released a probe on december 25 2004 that landed on the saturnian moon titan on january
a cap 700 cm in diameter plugs an opening in a spherical container 100 m in diameter at atmospheric pressurethe
a stuntman swings from the end of a 410 m long rope along the arc of a vertical circle if his mass is 725 kg find the
how do curtains reduce the rate of energy lost through windows is it reducing the amount of thermal energy lost through
an electrically neutral model airplane is flying in a horizontal circle on a 30-m guideline which is nearly parallel to
two objects are identical and small enough that their sizes can be ignored relative to the distance between them which
a long thin rod length 60 m lies along the x axis with its midpoint at the origin in a vacuum a 50c point charge is
a cube is located with one corner at the origin of annbspx y znbspcoordinate system one of the cubes faces lies in
a small object which has a charge q 11c and mass m 20 x 10-5 kg is placed in a constant electric field starting from
four identical metallic objects carry the following charges 199 625 -455 and -980c the objects are brought
a rocket is powered by two engines that are angled 12onbspfrom the horizontal each engine produces 9000n of thrust how
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a 75 w electric blanket runs at 18 v what is the resistance of the wire in the blanket how much current does the wire
a 10nbspmufnbspcapacitor initially charged tonbsp25nbspmucnbspis discharged through a 14nbspkomega resistor how long
what is the minimum speed for orbiting the earth in a close orbit the maximum speed what happens above this
a line of charge with uniform density of 320 ncm lies along the line y -150 cm between the points with coordinates x
a runner is jogging in a straight line at a steady 28 kmhr when the runner is l 43 km from the finish line a bird