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a large storage tank with an open top is full to a height h0 the tank is punctured at a height h above the bottom of
a horizontal pipe 160 cm in diameter has a smooth reduction to a pipe 800 cm in diameter if the pressure of the water
assume the earth contains roughly the same amount of the neutrons and protons estimate1 the number of protons in earth2
the piezoelectric transducers of an ultrasound machine generate frequencies of 105 mhz and 74 mhz nbspassuming that one
a 0504 kg metal cylinder is placed inside the top of a plastic tube the lower end of which is sealed off by an
a symmetric double-convex thin lens made of glass by index of refraction 152 has a focal length in air of 400 cm the
a round pipe of varying diameter carries petroleum from a wellhead to a refinery at the wellhead the pipes diameter is
an ant travels in a perfectly straight line in the ndashx direction some distance it turns and then travels some new
when solving physics problems how do you decide whether or not to use the conservation of momentum conservation of
a broken spaceship is located 10 km above the center of a large circular thin sheet of unknown dust the sheet has a
a pendulum swings in a lab room by a period of 2 seconds you place that same pendulum on the top of a vertical pole and
1 why is it tiring to push hard against a solid wall2 when a person pushes hard on a solid wall is work
a 545g block is pushed onto a spring k 485 nm at a distance of 180 cm1 when the ball is released what is its
a customer upset by the latest trend of postal rate increases has decided to try to send letters by balloon even though
1 how much mass of positron and electron we require to move the earth off orbit2 theoretically how much oil do we need
a bat emits an ultrasonic pulse by a frequency of 440 khz it senses a moth flying by and measures a time delay of 730
an acoustic signal is composed of the first three harmonics of a wave of fundamental frequency 470 hz if these
a mass attached to a spring is lifted 10cm and then let go at which point the mass bobs up and down completing 4
a pendulum of length 1m is released from an initial angle of 15 degrees after 1000 sec its amplitude is reduced with
as a part of a new years celebration a boy is needed to cause a wheel adorned with sparklers to spin rapidly to
an ant travels in a completely straight line in the ndashx direction some distance it turns and then travels some new
bobby has a simple pendulum system with a ball of mass m at the end of a string of length l he also has a similar
1 what is sweep time of a scan with a sweep rate of 60hz2 is the true resistance greater or smaller than the gauged
compute the electric field magnitude and direction at the upper right corner of a square 122 m on a side if the other