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anbsp525-g squirrel with a surface area ofnbsp925nbspcm2nbspfalls from anbsp40-m tree to the ground estimate its
a contestant in a winter games event pulls anbsp510nbspkg block of ice across a frozen lake with a rope over his
as a substance condenses its temperature does not change how does the energy of the molecules of the substance change
a piece of glass has a temperature of 880 degc liquid that has a temperature of 310 degc is poured over the glass
a spherical brass shell has an interior volume of 152 x 10-3nbspm3 within this interior volume is a solid steel ball
one january morning in 1943 a warm chinook wind rapidly raised the temperature in spearfish south dakota from below
when a certain amount of violent light and yellow shine on a metal surface only violent light produces an electric
playing shortstop you pick up a ground ball and throw it to second base the ball is thrown horizontally with a speed of
your teacher placed a 2 kg block at the position marked with a horizontally 1 m from the origin on a large incline
the left ventricle of the human heart expels aboutnbsp0070 kgnbspof oxygenated blood straight upward into the ascending
a student fills a tank of radiusnbsp010mnbspwith water to a height ofnbsp05mnbspand pokes a small 10 cm diameter hole
a skateboarder starts from rest and rolls down a ramp that is inclined at an angle ofnbsp25 degreesnbspbelow the
in the conduction equationnbspq kanbspttl the combination of factorsnbspkalnbspis called thenbspconductance the human
the heating element of a water heater in an apartment building has a maximum power output of 23 kw four residents of
an object of mass 200 kg is attached to a spring with spring constant k 880 nm whose unstretched length is l 0150 m
a gymnast of mass 700 kg hangs from a vertical rope attached to the ceiling use the value 981ms2 for the acceleration
by touching the side of a beaker a student concludes that an exothermic change is taking place inside it explain how
violet light has higher energy than yellow light write three sentences comparing these electromagnetic waves with
using a periodic table identify the element whose atoms have 11 protons is it a metal a nonmetal or a metalloid write
what is the laminar flow rate of water in a pipe with an internal radius ofnbsp0008-mnbspand a length ofnbsp40 mnbspif
a plane accelerates from rest at a constant rate of 500 ms2 along a runway that isnbsp1800 m long assume that the plane
a box is placed on a conveyor belt that moves with a constant speed of 115 ms the coefficient of kinetic friction
a 80times10-2-kgnbsptoy airplane is tied to the ceiling with a string when the airplanes motor is started it moves with
the concrete wall of a building is 0114 m thick the temperature inside the building is 243 degc while the temperature