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a car is traveling north along a straight road at 50 kmh an instrument in the car indicates that the wind is directed
sue storm another member of the fantastic four has the ability to not only make herself invisible but also objects
a monatomic gas held at a pressure p 148-atm has a molar mass mnbsp 16-gmol and densitynbsprhonbsp19 times
a small metal object of massnbspm 258-g and temperature tmnbsp 454-degc is dropped into v 63-l of water at temperature
a projectile is launched with an initial speed ofnbsp460nbspms at an angle ofnbsp340degnbspabove the horizontal the
a rod of constant cross-sectional area has conductivity k1 and conducts heat at a constant rate between two reservoirs
consider a v 14-m3 open container made out of thin metal sheets with a linear expansion coefficient alpha 204 times
a small metal object of mass m 298-g and temperature tm 528-degc is dropped into v 48-l of water at temperature tw
a reversible engine contains 0350 mol of ideal monatomic gas initially at 586 k and confined to a volume of 242 l the
at a given instant the 10-lb block a is moving downward with a speed of 6 fts block b has a weight of 4 lb and the
please read the following and provide an accurate position versus time graphsusan enters a classroom sees a seat 40 m
a conducting rod slides at 40 ms on metal rails separated by 20 m if a current of 40 ma is generated in the circuit
1 why is thermal energy hard to convert into other forms of energy like potential or kinetic energy2 what are the
how fast does salt fall down to the bottom of a soup bowl estimate falling speed the salt has a diameter of 1 mm and
a286-kg motorcycle is accelerating up along a ramp that is inclined 295degabove the horizontal the propulsion force
two boxes b126kg and b264kg are being pushed across a horizontal frictionless surface as the drawing shows the 47-n
block 1 17 kg is setting on the floor of an elevator a rope pulls vertically up on block 1 with a tension of 8 n the
a space probe is launched from earth headed for deep space at a distance of 10000 miles from earths center the
a grinding wheel of radius 036 m which starts from rest rotates at 1850 revolutions per minute rpm and has a moment of
write an expression for a harmonic wave that has an amplitude of 03m a wavelength of 2m propagates in the negative
a compact car can climb a hill in 12 seconds the top of the hill is 82 feet higher than the bottom and the cars mass is
two 12-cm-diameter charged disks face each other 25 cm apart both disks are charged to - 50 nc what is the electric
an apple is thrown from the passenger side window of a car that is travelling at 55 mph the initial speed of the apple
a222-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp the ramp is inclined at
a bicyclists average power output is 220 watts w if the bicyclist and rider with a combined mass of 75 kg climb a hill