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a horizontal bar 2361 m long with a mass of 9127 kg is hinged to a wall the bar is supported from its other end by a
a person uses corrective glasses of power -85 da is this person nearsighted or farsightedb if the glasses are worn 20
the g string on a violin has a fundamental frequency of 196 hz it is 270 cm long and has a mass of 0500 g while this
the karat is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy an alloy
this one is challenging a thin uniform pole of length 30 m is pivoted at the bottom end calculate the most probable
an ac adapter for a laptop computer unit uses a transformer to reduce the line voltage of 110 v rms to a voltage of 185
aa pipe is horizontal and carries oil that has a viscosity of 011 pa middot s the volume flow rate of the oil is 59
the toadfish makes use of resonance in a closed tube to produce very loud sounds the tube is its swim bladder used as
a golf ball with mass 4590 g and diameter 4260 mm is struck such that it is moving with a speed of 5379 ms and rotating
two point charges are on the y-axis a 50 microc charge is located at y 145 cm and a -226 microc charge is located at y
a cylinder which is in a horizontal position contains an unknown noble gas at 526 times 104 pa and is sealed with a
a 82kg person sits on a 37kg chair each leg of the chair makes contact with the floor in a circle that is 13cm in
when striking the pike a predatory fish can accelerate from rest to a speed of 41ms in 015show far does the pike move
a ball with a horizontal speed of 125ms rolls off a bench 100m above the floorhow long will it take the ball to hit
to water the yard you use a hose with a diameter of 35cm water flows from the hose with a speed of 15ms if you
a typical arteriole has a diameter of 0030 mm and carries blood at the rate of 55times106cm3swhat is the speed of the
a horizontal pipe contains water at a pressure of 100kpa flowing with a speed of 20ms the pipe narrows to one-half its
a rectangular trough 19m long 050m wide and 030m deep is completely full of water one end of the trough has a small
the centers of a 14kg lead ball and a 130g lead ball are separated by 70cmwhat gravitational force does each exert on
when 3825 j of heat are added to a 014-m-long silver bar its length increases by 459 10-3 m what is the mass of the
a small 300g cart is moving at 140ms on an air track when it collides with a larger 500kg cart at rest after the
a disk released from the top of an inclined plane has a speed of 632 ms at the bottom how high is the upper end of the
a uniform 295- kg spinning disk with a radius of 0243 m is brought to rest by a brake-pad pressed against the side 0165
the gauge pressure at the bottom of a reservoir is 70 times what it is at a depth of 13 m how deep is the
a 47 efficient device uses chemical energy to generate 550j of electric energyhow much chemical energy is useda