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A hurricane-force wind of 220 blows across the face of a storefront window. Estimate the force on the 2.2 3.5 window due to the difference in air pressure inside and outside the window. Assume the store is airtight so the inside pressure remains at 1.0 atm. (This is why you should not tightly seal a building in preparation for a hurricane).
Write at least one paragraph in which you define diffraction and interference, discuss Huygens' Principle and explain why light passing through a narrow slit
A dipole is formed by point charges +3.8 micro Coulomb and -3.8 micro Coulomb placed on the axis at (0.45 m, 0) and (-0.45m, 0), respectively. At what positions on the axis does the potential have the value 7.7×105 V? There should be an x1 and an ..
A 2500 kg car rounds a flat curve of radius 75 m at speed of 80 km/h. if the pavement is icy and the force of static friction is 6000 n, what is the maximum speed the car could safely go around the curve
The mass density of an object is 16.0 g/cc, and its mass is determined to be 134 g. What is the volume of the object
A system absorbs at a 45% efficiency in a location where average solar-energy hitting the solar pan- els is 210 W/m2. what volume of water can be heated in one hour
The momentum of a soccer player is 100kg-m/sec and he hits a soccer ball with a mass 0.1 kg, find the speed(velocity) of the soccer ball
A fisherman weighing 60 kg in a boat of mass 30 kg at rest throws a 5 kg jug of water toward the east. what is the speed of the boat
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
A boat has a mass of 5220 kg. Its engines generate a drive force of 4480 N due west, What is the boat's acceleration
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.869 rad/s. You, with a mass of 68.3 kg, Calculate the total angular momentum of the system
Estimate the rms electric field in the sunlight that hits Saturn, knowing that the Earth receives about 1350 W/m2
A 56 kg student runs at 5.0 m/s, grabs a hanging rope, and swings out over a lake, What is the maximum tension in the rope?
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