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a hurricane wind blows across a 710 151 flat roof at a speed of 130a is the air pressure above the roof higher or lower
the rms electric field of an electromagnetic wave increases from 307 to 921 nca determine the wave intensities for the
a pitcher throws a fastball horizontally at a speed of 140 kmh toward home plate 184 m away a if the batters combined
you and your friends are doing physics experiments on a frozen pond that serves as a frictionless horizontal surface
a door is made of uniform material of density p and has a height of h t thick w wide when the door is released from
coherent light is passed through two narrow slits whose separation is 395 mirometers the second-order bright fringe in
louise spikes a volleyball during a game at the instant the volleyball leaves her hand its height is 26 m above the
a fully suited astronaut name bill lands on newly discovered plant called new and goes on an exploration walk on the
a cylindrical flask is fitted with an airtight piston that is free to slide up and down as shown in the figure below a
you measure wavelength divided by 2 to be 70cm the temperature in the lab is 22 degrees celsius what is the frequency
a woman with mass of 58 kg stands at the rim of a horizontal table having a moment of inertia of 430 kgm2 and a radius
just an instant before reaching the very bottom of a semicircular section of a roller coaster ride the automatic
a 10000kg car experiences a net force of 9500n while decelerating from 300ms to 233ms how far does it travel while
the days on mars and earth are of nearly identical length earths mass is 935 times marss mass earths radius is 188
determine the first three normal-mode frequencies for a pipe of length l that is closed at both ends use the results of
a camera is supplied with two interchangeable lenses whose focal lengths are 350 and 1500 mm a woman whose height is
a 558 kg person rides a sled 15 meters along a hillside that is inclined at 25 degrees above the horizontal if the
a block of mass 3000 g on the end of spring undergoes simple harmonic motion with a frequency of 650 hza what is the
collisions between atomic and subatomic particles are usually perfectly elastic in one such collision a proton
a loop of wire has the shape shown in the drawing the top part of the wire is bent into a semicircle of radius r 023 m
an object is dropped from rest from a height of 374e6 m above the surface of the earth if there is no air resistance
a coin is located 220 cm to the left of a converging lens f 160 cm a second identical lens is placed to the right of
two cars collide at an intersection car with a mass of 2000 is going from west to east while car of mass 1300 is
an infinitely long solenoid has n turns per length a radius r and carries a current i io e-t cost where io and are
a woman stands at rest in front of a large smooth wall she holds a vibrating tuning fork of frequency f0 directly in