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a rifle has a mass of 538 kg and it fires a bullet of mass 120 g at a muzzle speed of 827 ms what is the recoil speed
a home run is hit in such a way that the baseball just clears a wall 21 m high located 130 m from home plate the ball
a ball having a mass of 2 kilograms starting at ground level is shot straight up into the air it reaches a height of 10
a daredevil decides to jump a canyon its walls are equally high and 10 m apart he takes off by driving a motorcycle up
a force of 735n stretches a certain spring a distance of 0120m what is the potential energy of the spring when a mass
consider a loop of wire of radius a carrying a current i the x-axis is perpendicular to the loop and passes through its
a mail bag with a mass of 100kg is suspended by a vertical rope of length 800m what horizontal force is necessary to
a horizontal wire is hung from the ceiling of a room by two massless strings the wire has a length of 021 m and a mass
a copper wire of radius a 0214 mm has an aluminum jacket of outer radius b 0310 mm there is a current i 289 a in the
in a certain rlc circuit a46- resistor a11-mh inductor and a 5-microf capacitor are connected in series with an ac
a block is sliding along a frictionless roller coaster it starts at height h above the ground with some unknown initial
a ball rolls down a hill what causes constant acceleration down the hill what determines how much acceleration there is
an observatory has an 8-inch celestron telescopea estimate the diffraction limit of this telescopeb estimate the
a constant force is applied to an object causing the object to accelerate at 10ms2a what will the acceleration be if
an asteroid is seen in opposition from earth once every 1000 daysa what is the sidereal orbital period of the asteroidb
part ahow far away can a human eye distinguish two car headlights 18 m apart consider only diffraction effects and
explain using thermodynamically sound principles what each of the following temperatures
an air mass has a temperature of 68f and 970hpa with a mixing ratio of 5 gkg without any condensation or mixing the air
assume a planet is a uniform sphere of radius r that somehow has a narrow radial tunnel through its center also assume
a projectile is shot directly away from earths surface neglect the rotation of the earth what multiple of earths radius
the vibration of an o2 molecule has a wavenumber of 15804 cm-1 calculate the energy in joules of the first excited
a microscope with a magnification of 1000 using a converging lens with a focal distance of 15 cm for the objective the
moon effect some people believe that the moon controls their activities if the moon moves from being directly on the
a loop of wire resistance 20 m is positioned as shown with respect to a long wire which carries a current if d 10 cm