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a hardworking ant must supply 000805 n to pull a small piece of fruit at constant velocity over a distance of 960 cm up
cloud droplets cannot grow into rain droplets by condensation alone how would you have to alter the basic assumption of
use ohms law to calculate the current in a heater with a heating element of 20 ohms when connected to a 110-v
when cars are equipped with flexible bumpers they will bounce off each other during low-speed collisions thus causing
sewage at a certain pumping station is raised vertically by 530 m at the rate of 1 920 000 liters each day the sewage
an uncharged nonconductive hollow sphere of radius 110 cm surrounds a 160 microc charge located at the origin of a
what is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 15 cm and a
consider two infinite parallel plane sheets of charge separated by a distance l each sheet has the same charge density
youre riding on a carousel merry-go-round that is rotating at a constant 600 rpm initially you are standing at point a
a space station in the form of a wheel 100 m in diameter rotates to provide an artificial gravity of 210 ms2 for
standing waves are set up on two strings fixed at each end as shown in the drawing the two strings have the same
a certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 355 ms with what
a parallel-plate capacitor has an area of 012 m2 and a separation of 12 cm a battery charges the plates to a potential
an artificial satellite circles earth in a circular orbit at a location where the acceleration due to gravity is 900
astronomers discover an exoplanet a planet of a star other than the sun that has an orbital period of 347 earth years
determine the normal mode frequency of the lagrangian given by l12xdot2 ydot2-12omega21x2omega22y2 alphaxy where alpha
a planet of mass m 115 times 1024 kg is orbiting in a circular path a star of mass m 165 times 1029 kg the radius of
a 19 kg sphere is at the origin and a 80 kg sphere is at x y 21cm 0 cm at what point or points could you place a
a current of 150 ma is maintained in a single circular loop of 240 m circumference a magnetic field of 0870 t is
a solid 11-kg cylinder rolls without slipping on a rough surface at an instant when its center of gravity has a speed
a 240kg block with mass density of 1200kgm3 was accidentally dropped into water and sink what is the volume of the
the melting point of gold is 1173c and the boiling point is 2481 c compute the difference between these temperatures in
what must be the orbital speed of a satellite in a circular orbit 800 above the surface of the earth please answer in
a wire 280 m in length carries a current of 760 a in a region where a uniform magnetic field has a magnitude of 0490 t
at a certain location the earths magnetic field has a magnitude of 5610-5 t and points in a direction that is 68deg