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diane weight 255 n is practicing on a tightrope that is 600 meters long and sags by 0120 meters when she is in the
a person drops a cylindrical steel bar y 1700 times 1011 pa from a height of 270 m distance between the floor and the
a vertebra is subjected to a shearing force of 445 nfind the shear deformation taking the vertebra to be a cylinder 300
a horizontal meter stick has a mass of 205 g three weights ride on the meter stick 259 g at 465 cm 185 g at 761 cm and
in order better to map the surface features of the moon a 311-kg imaging satellite is put into circular orbit around
an artificial satellite is in a circular orbit around a planet of radius r 445 times 103 km at a distance d 6000 km
a squid keeps some amount of water in a body cavity ready to expel it in case of danger suppose the mass of the water
a single force acts on a 35 kg particle-like object in such a way that the position of the object as a function of time
a sling shot obeying hookes law is used to launch pebbles vertically into the air you observe that if you pull a pebble
formulate an equation to determine the average strength of the electric field on the surface of the cube that encloses
two masses are attracted by a gravitational force of 019 n what will the force of attraction be if the distance between
the femur bone in a human leg has a minimum effective cross section of 275 cm2 how much compressive force can it
two long barges are moving in the same direction in still water one with a speed of 10 kmh and the other with a speed
a projectile proton with a speed of 1300 ms collides elastically with a target proton initially at rest the two protons
in the figure a block of mass m 14 kg is released from rest on a frictionless incline of angle theta 27deg below the
mickey a daredevil mouse of mass 00199 kg is attempting to become the worlds first mouse cannonball he is loaded into a
an adult dolphin weighs around 1660 n how fast must he be moving as he leaves the water vertically in order to jump to
a car is traveling at an angular acceleration of 004 rads2 on a circular part of a road if the radius of the circular
the burj khalifa in dubai is the worlds tallest building the structure is 828 m 27165 feet and has more than 160
about 100 years or so ago some critics claimed that rocket propulsion in outer space would never work because in outer
question - the wall of a furnace is made up of 250 mm of fire brick k 105 wmk 120 mm of insulation brick k 085 wmk
question - a vertical cylinder 18 m high and 75 cm in diameter is maintained at a temperature of 93oc in an atmospheric
question - a plane wall made of material of density 7800 kgm3 thermal conductivity 45 wmk and specific heat 465 jkgk is
question - hot water at 110oc flows in a cast iron pipe k 52 wm middot oc whose inner radius is 20 cm and thickness is
are there some bacteria that cant be stained by the gram-stain and are there other means of treating these bacteria so