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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
radio stations are identified by their frequency but if you looked closely at the electromagnetic wave that is emitted
the mercury used in fluorescent lights is toxic it would be great if we could find an alternative vapor in the