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A closed auditorium of volume 25700 m3 is filled with 2050 people at the beginning of a show, and the air in the space is at a temperature of 291 K and a pressure of 1.013·10^5 Pa. If there were no ventilation, by how much would the temperature (in K) of the air rise during the 1.5-h show if each person metabolizes at a rate of 83.9 W?
A ladder of negligible mass and length 5.00 m rests against a vertical wall. The ladder makes an angle of 53.1 with the ground. Find the forces of the ground and the wall on the ladder
Suppose you tart with 250 g of ice at 0 degrees celsius. Calculate the amount of heat energy that must be transferred to convert the ice to steam at 100 degrees celsius
Unpolarized light is incident on a system of 4 polarizers. Where the preferential direction of the second is 20 degrees with respect to the first, What is the intensity of the transmitted light
A certain corner of a room is selected as the origin of a rectangular coordinate system. what is the distance of the fly from the corner of the room
A plane is pointed in the positive x direction and is flying with an speed of (200, 0, 0) m/s relative to the air. Find the velocity of the plane with respect to the ground
What is the value of the static friction.
A square loop has sides 12 cm long and is wound with 50 turns of wire carrying 250 mA of current. what torque does the loop experience
A magnetic field of magnitude 0.38 T is directed vertically upward, Find the magnetic flux through a flat surface of area 22 cm2 if the surface is horizontal
must include free body diagrams with applications of newton's 2nd law 1) a 3.0 kg ball is attached to two pieces of string, compute the tension in the upper string
Physics: Mechanics about two curling stones - calculate speed, resistive force Two curling stones A and B, each having a mass of 2 kg, are on an ice rink floor. A is stationary and 10 meters from a boundary wall, while B is sliding at right angles..
When a 9.80 kg mass is placed on top of a vertical spring, the spring compresses 4.00 cm. What would the compression of the spring (in cm) be if the spring-mass system was placed
A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -40cm. Use ray tracing to determine the height of the image
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