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each croquet ball in a set has a mass of 5 kg the green ball travels at 105ms and strikes a stationary red ball if the
small rockets are used to make small adjustments in the speed of satellites one such rocket has a thrust of 53 n if it
a clay ball with a mass of 35 kg has an initial speed of 42 ms it strikes a 35 kg clay ball at rest and the two balls
waly whacko claims to have invented a heat engine that will revolutionize industry it runs between a hot source at
a plate carries a charge of -311mcwhile a rod carries a charge of 202mchow many electrons must be transferred from the
a 65kg ice skater standing on frictionless ice throws a 15 kg snowball horizontally at a speed of 32ms at what velocity
what is the total charge of the radon nucleus the neutral radon atom has 86electronswhat is the magnitude of the
1 what is the magnitude of the electric field near the surface of a uniformly charged conducting plane if the plane is
a charged particle a exerts a force of 247 mun to the right on charged particleb when the particles are 135 mmapart
a diver springs upward from a board that is three meters abovewater at an instant he contacts the water his speed is
nbspa boy whirls a stone in a horizontal circle 16 m above theground by means of a string 14 m long the angle between
a 420 kg block of ice slides down a plane with an incline of 34deg assuming friction is neglecting what is the
a 100 kg football linebacker moving a 2 ms tackles head on an 80kg halfback running 3 ms assume the two players were
one of the harmonic frequencies of tube a with two open ends is 845 hz the next-highest harmonic frequency is 910hza
a car starts from rest and moves around a circular horizontallevel track of radius 300 m its speed increases at the
an ideal gas is enclosed in a cylinder with a movable piston on topof it the piston has a mass of 8000 g and an area of
the distortion of earths crustal plates is an example of shear ona large scale a particular crustal rock has a shear
flux and nonconducting shells a charged particle issuspended at the center of two concentric spherical shells that
a particle with a charge of -600 nc is placed at the center of anonconducting spherical shell of inner radius 200 cm
space vehicles traveling through earths radiation belts can intercept a significant number of electrons the resulting
an isolated conductor of arbitrary shape has a net charge of 95 x10-6 c inside the conductor is a cavity within whichis
an electron is released from rest at a perpendicular distance of108 cm from a line of charge on a very long
in figure a ball isthrown up onto a roof landing some time later at heighth 200 m above and d 300 m horizontally from
a small button placed on a horizontal rotating platform withdiameter 0310 m will revolve with theplatform when it is
beams of high-speed protons can be produced in guns usingelectric fields to accelerate the protons awhat acceleration