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On a summer day, the air conditioning breaks down and the air inyour classroom becomes very warm and muggy with a vapor pressure of20 hPa and a temperature of 25 degree Celsius.A) If the volume of the classroom is 40 m^3 , how much water ispresent in the room in vapor form? Express your answer both as amass in kg and a liquid-equivalent volume in liters, assuming thatthe density of liquid water is 1000 kg/m^3B) If the pressure in the room is 900 hPa, what is the virtul temperature of the air? Express you answer both in K and degreesCelsius.
a child throws a 5.4 kg package horizontally from a boat with a speed of 10 m/s. Calculate the resulting velocity of the boat
q1. a 67 kg man weighs 637 n on the earths surface. how far above the surface of the earth would he have to go to lose
The speed of the tip of the minute hand on a town clock is 0.00125 m/s. find the centripetal acceleration of the tip of the second hand
A bullet is fired vertically into a 1.3kg block of wood at rest directly above it. If the bullet has a mass of 29g and a speed of 470m/s, how high will the block rise after bullet becomes embedded in it.
A 2.71 g sample of KCl from the chemistry stockroom is found to be radioactive, and it is decaying at a constant rate of 4490 Bq. Calculate the half-life of this nuclide
Assume that the blocks accelerate as shown with an acceleration of magnitude = 0.250 and that the coefficient of kinetic friction between block 2 and the plane is = 0.400. Find out the mass of block 2, , when = 30.0.
Blood from an animal is placed in a bottle 2.0m above a 3.5cm long needle, of inside diameter 0.40mm , What is the viscosity of this blood
A 0.350kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750m/s when it makes a head-on collision with a stationary 0.150kg glider. Find the final kinetic energy of second glider
Two large, parallel, conducting plates are 26cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 2.8 x10-15 N acts on an electron placed anywhere between two plates.
laser beam is incident at an angle of 28.4° to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.04° to the vertical, what is the index of refraction of the syrup solution
two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 448 N and F2 = 350 N. What is the resultant of these two forces
A ferry boat transports tourists among three islands. It sails from the first island to the second island, 4.7 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 69.0° west of north..
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