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a 6600-cm guitar string under a tension of 7000 n has a mass per unit length of 010000 gcm what is the highest resonant
a steel wire with mass 207 g and length 111 m is strung on a bass so that the distance from the nut to the bridge is
two pieces of steel wire with identical cross sections have lengths of l and 3l the wires are each fixed at both ends
a steel wire in a piano has a length of 05000 m and a mass of 5800 10nbspnbsp -3 kg to what tension must this wire best
the acoustical system shown in the figure below is driven by a speaker emitting sound of frequency 614 hz take the
the now-discontinued concorde flew at mach 13 which meant the speed of the plane was 13 times the speed of sound in air
two trains on separate tracks move toward one another train 1 has a speed of 100 kmh train 2 a speed of 600 kmh train 2
setting a world record in a 100 m race maggie and judy cross the finish line in a dead heat both taking 90 s
on a frictionless horizontal air table puck a with mass025 kg is moving toward puck b with mass 0350 kg that is
a 355 kg girl and a 580 kg boy are on the surface of a frozen lake 125 m apart using a rope the girl exerts a
a 197 komega resistor and a capacitor are connected in series and then a 120 v potential dissimilarity is suddenly
a ball is thrown directly downward by an initial speed of900 ms from a height of 290 m after what time interval does
1 discover the charge if the potential difference between two points that are 420 mm from the charge and 823 mm from
a dipole consisting of charges -e 220mm apart is placed among two very large essentially infinite sheets carrying equal
a common flashlight bulb is rated at 0300 a and 300 v the values of the current and voltage under operating conditions
a ball of mass 5 kg moves perpendicular to the door by the speed of 10 ms the door has a mass of 3 kg and a width of 2
snow is falling vertically at a constant speed of 50 ms at what angle from the vertical do the snowflakes appear to be
a cameraman on a pickup truck is traveling westward at 24 kmh while he videotapes a cheetah that is moving westward 25
a steam catapult launches a jet aircraft from rest from the aircraft carrier john c stennis giving it a speed of 175
starting from rest a 91-kg fire fighter slides down a fire pole the average frictional force averted on him by the pole
a satellite mass 200 kg is launched from a site on earths equator into an orbit 200 km above the earths surface
a 637 kg canoeist stands in the middle of her canoe the canoe is 30 m long and the end that is closest to land is 25 m
two pieces of steel wire with identical cross sections have lengths of l and 4leach of the wires is fixed at both ends
one cubic meter 100m3 of aluminium has a mass of 270103 kg and 100 m3 of iron has a mass of 786103 kg discover the
two point charges are 100 cm apart and have charges of 20 x10-6 c and -20 x 10-6 c respectively what is the magnitude