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a 40-n stone is dropped from a height of 10m and strikes theground with a velocity of 7 ms what average force of air
a car of mass 1500 kg rounds a circular turn of radius 27meter if the road is banked at 15 degree and the coefficient
a certain groove in a phonograph record moves past the needleat 30 cms if the wiggles in the groove are 01 mm apart
a 20 m long pendulum is released from rest when the supportstring is at an angle of 25 degree with the vertical what is
a 10-kg box is at rest at the end of an unstretched springwith constant k4000 nm the mass is struck with a hammer with
a simple pendulum 100m in length is released from rest whenthe support string is at an angle of 350degfrom thevertical
in order to calculate the number of ways of arranging a givenamount of energy in a tiny block of copper the block is
river pascal with volume 50105 ls joins with riverarchimedes which carries 100105 ls to form bernoulli riverthe
a 500-kg student climbs a 500-m-long rope and atops at thetopa what must her average speed be in order to match the
there is a glass filled with 20cm of water and on top alayer of 30cm of oil that exactly weights 0700newton what is the
a solid cylinder of radius 35m is released from rest from aheight of 18m and rolls down the incline without slipping as
a satellite mass5850-kg is in a circular orbit of 41x105mabove the surface of a planet which has a radius of 415x106m
on a workday the average decibel level of a busy street is79db with 100 cars passing a given point every minute if
david purley a racing driver survived deceleration from 173 kmhto 0 kmh over a distance of 660 m when his car crashed
a certain substance has a mass per mole of 42 gmol when 313 jis added as heat to a 250 g sample ofthis material its
in a single-slit diffraction pattern on a flat screen thecentral bright fringe is 16 cm wide when the slit width is 37
the zo boson discovered in 1985 is the mediator of theweak nuclear force and it typically decays very quickly
an airplane is flying at 600 kmh at an altitude of 20km when the sound of the airplanes engines seem to somebodyon the
a radar signal takes 27s to go to the moon and return how far away was the moon at that
a truck is traveling at 56 mih 252 ms down the interstatehighway where you are changing a flat tire as the
a massless spring with spring constant 20 nm hangs vertically a body of mass015 kg is attached to its free endand then
a 1 kg physics book lying on a 20 degree incline isattached to a 500g coffee cup the book is given a push up theslope
a 20-kg projectile is fired with initial velocity componentsv0x30 ms andv0y40ms from a pointon the earths surface
a satellite mass of satellite5850 kg is in circular orbitof 41x105m above the surface of a planet which has a radius
the air speed of a plane is 320kmh a wind is blowing fromthe southeast at 129kmh the piolet wishes to fly directly west