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a shower head has 20 circular openings each with radius 080mm the shower head is connected to a pipe with radius 10cma
for tests using a ballistocardiograph a patient lies on a horizontal platform that is supported on jets of air because
an ac generator with a frequency of 114khz and an rms voltage of 202v is connected in series with a 180killo ohm
an olympic long jumper leaves the ground at an angle of 198 deg and travels through the air for a horizontal distance
scientists have found evidence that mars may once have had an ocean 100km deep the acceleration due to gravity on mars
a generator connected to an circuit has an rms voltage of 120v and an rms current of 34ma if the resistance in the
a block with mass m 215 kg slides down an inclined plane of slope angle 121o with a constant velocity it is then
a football is kicked 567 meters if the ball is in the air 533 s with what initial velocity was it kicked direction
a rock is thrown from the edge of a cliff to the ground 240 m below the rock has an initial velocity of 135 ms directed
you are assigned the design of a cylindrical pressurized water tank for a future colony on mars where the acceleration
on a part-time job you are asked to bring a cylindrical iron rod of length 947cm and diameter 250cm from a storage room
a 369-n uniform 111-m bar is suspended horizontally by two vertical cables at each end cable a can support a maximum
a block is at rest on a plank whose angle can be varied the angle is gradually increased from 0 deg at 271deg the block
a thin uniform rod has a length of 0510m and is rotating in a circle on a frictionless table the axis of rotation is
a hollow thin-walled sphere of mass 130kg and diameter 450 cm is rotating about an axle through its center the angle in
a rock thrown with an initial velocity of 385 ms at an angle of 550 o with respect to the horizontal has a range of 975
a 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 na what is the
a chemistry student with a mass of 75 kg is riding a steadily moving ferris wheel when she is at the top of the ferris
find the final velocity of the two balls if the ball with velocity v2i -212 cms has a mass equal to half that of the
a rocket fires two engines simultaneously one produces a thrust of 725 n directly forward while the other gives a
a golf ball is dropped from rest from a height of 970 m it hits the pavement then bounces back up rising just 600 m
a small button placed on a horizontal rotating platform with diameter 0316 m will revolve with the platform when it is
at time t0 a grinding wheel has an angular velocity of 220 rads it has a constant angular acceleration of 320 rads2
a 50cm diameter wheel rolls wothout slipping the wheel spins 20rads what is the speed of the axle of the
two hockey players strike a puck of mass 0169 kg with their sticks simultaneously exerting forces of 125 103 n directed