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a spring is hung from the ceiling a 0400-kg block is then attached to the free end of the spring when released from
a 05-kg ball is loaded into a popgun the ball is loaded with compressing a spring 01 m the spring is initially not
1 what is nanotechnology2 what are the basics of nanotechnology3 what is the difference between bulk and nano
a converging lens of focal length 8000 cm is 197 cm to the left of a diverging lens of focal length -600 cm a coin is
two skaters one with a mass of 70 kg and the other with mass of 48kg stand on an ice rink holding a pole of length 56m
there is a 6omega electric heater that consumes 15 w of power the conducting bar moves to the right at a constant speed
a truck of 2500kg travels at 40ms it crashes against a wall and stops at 02s what is the value of impulse find the
1 three point charges are placed on the x-axis the first charge is 20nc at the origin the second -20nc to the right at
two resistors by values of 27omega and 19omegarespectively are connected in series and hooked to a 12vbattery1 how much
a 100-w heater is designed to operate by an applied voltage of 120v1 what is the heaters resistance and what current
which could potentially reason you the greater injury being tackled by a light-weight fast-moving football player or
a if a rocket in gravity- free outer space has the same thrust at all times is its acceleration constant increasing or
which quantity is equivalent to the product of the absolute index of refraction of water and the speed of light in
an object has an angular size of 00150 rad when placed at the near point 210 cm of an eye when the eye views this
a power center with a power plant of its own supplies a house some distance away with electric power the house draws 50
assume you had two small boxes each containing 100g of protonsnbspif one were placed on the moon with an astronaut and
a spherical mirror is polished on both sides when used as a convex mirror the magnification is 18 find the
find the change in gravitational potential energy of a 18 kilogram object which is displaced vertically a distance of
if you weighnbsp675 newtonnbspon the earth find what would be your weight on the surface of a neutron star that has the
a 1000 kilogram car rounds a curve of radius 70 meter banked at an angle of 12 degree if the car is traveling at 84 kmh
a roller coaster 425 kilogram moves from cnbsp500 meter above the ground tonbspdnbsp260 meter above the ground two non
a race vehicle accelerates uniformly as it leaves the pit area going from rest to 320 kmh in a semicircular arc with a
a small satellite with a mass of 500 kilogram is in a circular orbit around a planet whose mass is 30 x1024 the radius
a long jump shot is released 25 meter above the ground 613 meter from the base of the basket which is 305 meter high
a plane diving with constant speed at an angle of 520 degree with the vertical releases a projectile at an altitude of