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A submersible has a viewing window that is 60 cm in diameter. Determine the pressure force of the water on the window if the center of the window is 30 m below the surface and the window is (a) horizontal, (b) vertical, and (c) on a 45- angle.
A runner approaching the start/finish line hears the bell signaling one lap to go. The bell emits a 352 Hz tone, How fast is she going
Consider an object that is in an elliptical orbit with semimajor axis a = 3.1×106 m about a planet of mass M = 2.2×1023 kg. What is the speed of the object When it is closest to the planet at r = a/4
A 720 nm light bean in air hits the flat surface of a certain plastic and the bean is split into a reflected ray and a refracted ray. what is the index of refraction of the plastic
2.00 mol of a monaromic gas at atmospheric pressure has a total internal energy of 7.48x10^3J. What is the volume occupied a rigid cylinder by the gas
A 1 kg rubber ball is bounced off a hard floor just prior to its hitting the floor, the ball has a downward speed of 2 m/s. find Is the collision elastic or inelastic
a flower pot falls from the roof and passes in front of a window of height h as it falls to the ground to smash to
Explain the reasons for salient features of the power grid, including the predominant use of alternating current rather than direct current, transmission of power at high voltages(often with bundles of wire rather than single conductors), the use ..
The position of a squirrel running in a park is given by r = [(0.280m/s)t+(0.0360m/s2)t2]i^+ (0.0190m/s3)t3j^. how far is the squirrel from its initial position
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. find how fast is the roller coaster traveling at the bottom of the dip
a child on a swing set swing back and forth if the length of the supporting cables for the swing is 2.1 m long, what's acceleration does to gravity or oscillation
A 3-point jump shot is released 2.2 m above the ground, 6.02 m from the basket, which is 3.05 m high. For launch angles of 30° and 60°, discover the speed required to make the basket?
A 750g aluminum pan is removed from the stove and plunged into a sink filled with 10.0kg of water at 20.0C. What was the initial temperature of the pan
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