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a 180 kmh hurricane wind blows over a house if the flat roof of dimension 62mtimes124m is lifted off the house assume
a bat flying at 60ms chases a bug flying at 30ms the bat emits a sound frequency of 32khz what is the frequency of the
antifreeze has a density of 107gcm3 while water has a density of 100gcm3 how much water and antifreeze should be mixed
what pressure does a diver experience at a depth of 250m in the ocean the density of sea water is 1025kgm3 and
a stone is thrown vertically upward with velocity 100ms calculate the speed of the stone when it has traveled 70 of the
an 183 kg block is dragged over a rough horizontal surface by a constant force of 196 n acting at an angle of angle 314
a 339 kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 16
a projectile of mass 0664 kg is shot from a cannon at height 69 m as shown in the figure with an initial velocity vi
a brass wire with a cross section of 12mm2 is 175m long when supporting a load of 3kg how much longer will it be when
a speed boats propeller pushes water back with a velocity of 15 ms the area of the propeller blades are combined 006 m2
a 1-kg circular disc of radius 50 cm starts from rest and rotates with constant angular acceleration with an angular
a the magnetic field inside an air-filled solenoid 365nbspcm long and 280nbspcmnbspin diameter is
if 52nbspmwnbspof power at 43nbspkvnbsprms arrives at a town from a generator via 20nbspomega transmission
a a simple generator has a 436-loop square coil 240nbspcm on a sidehow fast must it turn in a 0434nbspt field to
a block of mass m220kg initially at rest is pushed along the floor by a horizontal force f of unknown value the force
in the figure the rod moves to the right with a speed of 15nbspms and has a resistance of 29nbspomeganbspfigure
when you design a building in an earthquake region how should the natural frequencies of oscillation of the building
when a diver jumps off a diving board into a pool while in the air it is easier to somersault while their body is
what is the purpose of frets on a guitar or the fingerboard on a violin in terms of frequency of the vibration of the
a satellite in earths orbit is accelerating towards the earth explain why on average the satellite is not getting
a particle of mass 1 kg is executing simple harmonic motion of amplitude 15 cm with a frequency 60hz find the velocity
aroughly how many times larger is the distance between the sun and earth than the orbital radius of the moonbroughly
a ladder of weight 500 n and length 100 m is placed against a smooth vertical wall a person weighing 750 n stands on
a circular disc of radius 25 cm and of mass 05 kg is revolting in its plane with an angular velocity of 5 radians per
a 2 kg particle starts from rest from the top of an inclined plane at an angle of 30 degrees from the horizontal the