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when serving a tennis ball a player hits the ball when its velocity is zero at the highest point of a vertical toss the
a coating of film n 133 on glass slabs n 16 is 84af-10accirc5cm thick if white light is incident normally which
discuss why specific wavelengths need to be used to maximize detection ranges for example sound can not be detected
the following charges are located inside a submarine 500 microc - 900 microc 270 microc and -840 microca calculate the
a large capacitance of 180 mf is needed for a certain applicationa calculate the area the parallel plates of such a
a hunter is riding an elephant of height 4m moving in straight line with uniform speed of 2ms a deer running with a
the length of 2 cylinder are measured to be l1562001cm and l2434002cm calculate the difference in length taking error
two touching bars 1 and 2 are placed on an inclined plane forming an angle a with the horizontal fig the masses of the
a molecule of dna deoxyribonucleic acid is 231 microm long the ends of the molecule become singly ionized negative on
a constant horizontal force of 290 n is exerted by a string attached ot a 34 kg block being pulled across a table top
two bodies have undergone an elastic one-dimensional collision along an x axis figure 9-31 is a graph of positive
express the meaning of electro-chemistry also explain the basics of the characteristics of voltaic and galvanic
wet leather containing 61 water enters a continuous tunnel dryer and leaves at a rate of 485lbmh containing 60 water
discussion wavesit is time to take on the role of a scientist again do not look up the following or concern yourself
a simple and common technique for accelerating electrons is shown in figure 1734 where a uniform electric field is
the human brain and spinal cord are immersed in the cerebrospinal fluid the fluid is normally continuous between the
two men are trying to roll the boulder by applying the forces shown determine the magnitude and direction of the force
the bathyscaphe trieste consists of a thin-walled but very strong cylindrical hull 152 m long and 366 m in diameter
the ramp in figure 1 is frictionless suppose angle50if the blocks are released from rest which way does the 10 kg block
a satellite is in orbit around a planet the orbital radius is 340 km and the gravitational acceleration at that height
estimate how many electrons there are in your body make any assumptions you feel are necessary but clearly state what
a steel ring with a 2500 in diameter at 20 degrees celsius is to he warned and slipped over a brass shafts with a
the mass of a regulation tennis ball is 57 g although it can vary slightly and tests have shown that the ball is in
two equal positive charges are at opposite corners of a trapezoid as in the figure below find symbolic expressions for
design a parity generator for a 3 bit signal bus that is given three input lines generate a fourth signal such that an