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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
one gram of water changes from liquid to solid at a constantpressure of 100 atm and a constant temperature of 0degc in
a freezer is used to freeze 10 lof water completely into ice the water and the freezer remain at aconstant temperature
a 722 kg car stopped at an intersection is rear-ended by a1620 kg truck moving w a speed of 145 ms the 2
a circular steel wire 200m long must stretch no more than025 cm when a tensile force of 400n is applied to each end of
a 500-hz sound travels through pure oxygen ythe wavelengthof the sound is measured to be 065 m what is the speed of
imagine bob lives on the earth at rest clara is traveling past theearth with a velocity of 9800 ms if a meteor moving
an intergalactic rock star bangs his drum every 150 s aperson on earth measures that the time between beats is 270s how
a trolley bus whose mass is 104 kg takes 10 s toreach a speed of 8 ms starting from rest it operates from a5 kv
suppose that a billiard ball approaches a rail at a speed of 15 ms and an angle od 60 degrees but rebounds at a speed
an aluminum rod is 160 cm longat 20degc and has a mass of 350 g if 13000 j of energy is added to the rod by heat what
the total cross-sectional area of the load-bearing calcifiedportion of the two forearm bones radius and ulna is