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a car of 1200 kg mass is traveling uphill at an angle of 20 degrees at a constant speeda what is the magnitude of the
a radar station locates a sinking ship at range 156 km and bearing 136deg clockwise from north from the same station a
an ideal gas of p1000 hpa v1 m3 t20 c undergoes the following successive changes 1 it is warmed under constant pressure
a hypersaline solution with a molality of 368m has a salt content so high that the mass of the solution per 1000 grams
commercial aircraft fly near 200mb where the outside temperate is -60 degrees celsius calculate the temperature of the
a car of 1200 kg mass enters an unbanked curved roadbed of radius 70 m the coefficient of static friction between the
in alpha particle with a kinetic energy of 051 mev approaches a stationary gold nucleus what is the speed of the alpha
the freezing point of a solution of acetic acid and water is -0278c what is the molality of the
a projectile is fired with an initial horizontal velocity of 20 ms and vertical velocity of 10 msa what is the initial
the ideal gas model is valid ifthe gas pressure is lowthe gas density is low and the temperature is lowthe gas density
the standard enthalpy of formation of zn2 aq is -1539kjmole how much heat is evolved when 03724 g of zns reacts with
the four strings pass over the bridge of a violin as shown below the strings make and angle of 720deg with the normal
mixed in a constant-pressure calorimeter the temperature of the mixture rose from 2115 to 2600 if the density of the
of the calorimeter to rise from 2200c to 3475c how much heat in kj did this reaction release the heat capacity of the
a uniform cylindrical satellite has four tangential rockets mass 3600 radius 40m what is the required steady force of
in the figure here a red car and a green car move toward each other in adjacent lanes and parallel to an x axis at time
a rotating wheel requires 800 s to rotate 280 revolutions its angular velocity at the end of the 800-s interval is 990
when the metal was placed in a constant-pressure calorimeter containing 300g of water the temperature of the water rose
sewage at a certain pumping station is raised vertically by 513 m at the rate of 1 860 000 liters each day the sewage
a power factor is 072 lagging and the power dissipated is 375w 120v and a resistance of 10 ohms showing all working out
is the skeleton of caffeine flat how might the structure of caffeine account for the fact that it sublimes at
the vapor pressure of phosphoryl chloride difluroride opcl2f2 has been measured as a function of temperaturetemperature
an entertainer when performing a bubble trick forms one bubble inside another the surface tension of the bubble liquid
what factors affects a team cohesiveness if you were a team leader how to be more and foster better relationships among
the air table is approximately 25 cm squared if the incline has a rise of 1 cm over the distance what is the maximum