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A clean room is kept at a positive gauge pressure of 0.025 kPa with respect to the outside to minimize contamination from the outside. Assume that the door to the room has dimensions 0.7 m x 2 m. What is the net outward force on the door? Give your answer to the nearest tenth of a Newton.
A metal wire of mass m=24.1 mg can slide with negligible friction on two horizontal parallel rails separated by distance d= 2.56 cm. what is the speed and direction of the wire
A helicopter 8.20m above the ground and descending at 4.40m/s drops a package from rest (relative to the helicopter). find the velocity of the package relative to the helicopter
The electric motor of a model train accelerates the train from rest to 0.740 m/s in 34.0 ms. Find the average power delivered to the train during its acceleration
A rock is thrown from the roof of a building with a velocity v(0) at an angle alpha(0) of from the horizontal. Calculate the magnitude of the velocity of the rock just before it strikes the ground
A wheel of radius 0.6 m starts from rest and accelerates without slipping with an angular acceleration of 2.0 rad/sec2 for 10 s. How far does the wheel travel in this time
A flat circular coil with 178 turns, a radius of 2.24 x10-2 m, and a resistance of 0.539 Ω is exposed toan external magnetic field that is directed perpendicular to th eplane of the coil.
A small, 1.90-mm-diameter circular loop with R = 1.10×10?2? is at the center of a large 100-mm-diameter circular loop. What is the induced current in the inner loop
The mass of a gas molecule can be computed from its specific heat at constant volume, cv. Take cv = 0.148 cal/g°C for neon and calculate the mass of a neon atom
A low tide is occuring at Galveston, TX (29o N,95o W). What other longitude is also experiencinga low tide, and what two longitudes are experiencing hightides
What is the resolving power of the objective if it is used in an oil-immersion microscope with n oil = 1.45
Find the emissivity of a surface that radiates heat at the same rate that it loses heat through convection when its temperature is 107° C
Find out the depth of the kerosene
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