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two billiard balls one heading north at 150 ms and a secondheading south at 100 ms collide head-on take the collision
a motor has coils with a resistance of 26 omega and operates froma voltage of 240 v when the motor is operating at its
a pendulum is released from rest extended horizontally the mass ofthe pendulum is 05 kg and the length of the string to
mrst boards plane a and her class boards plane b the two airplanes leave the airport at the same time mrs ts plane is
1 a rifle bullet with a mass of 120g traveling toward the rightat 260 ms strikes a large bag of sand and penetrates it
a a uniform magneticfield of magnitude 152 t acts in the positive z direction find the magnitude of the force exerted
a car is normally capable of an acceleration of 3ms2 if it is towing a trailer with half as much mass asthe car itself
1 an electric heater used to boil small amounts of water consistsof a 15-omega coil that is immersed directly in the
an electric heater used to boil small amounts of water consists of a 15-omega coil that is immersed directly in the
two springs with spring constants k1 and k2are put together end-to-end let x1 be the amount by which thefirst spring is
a 3440-kg spacecraft is in a circular orbit a distance1850 km above the surface of marshow much work must the
if momentum were conserved in each collision what would you expect the ratio of the total momentum before the collision
review conceptual example 8 before solving this problem suppose unpolarized light of intensity 251 wm2 falls on the
a uniform rope of mass m and length l hangs from a ceiling a show that the speed of a transverse wave on the rope is a
1 are wave speed and pulse speed the same explain2 if i were to create standing waves with a 4m spring with anamplitude
a rectangular sample of a metal is 38 cm wide and 600 microm thick when it carries a 30 acurrent and is placed in a 08
a 25-kg cart is rolling along a frictionless horizontaltrack towards a 15-kg cart that is held initially at rest the
a moving particle encounters an external electric field that decreases its kinetic energy from 9520 ev to 7060 ev as
suppose you are given two bars one is anelectric dipole and the other is a magnetic dipole can you think of some simple
a 9kg mass is connected by a a string over a frictionless pulley to a 5kg block sliding on the tablethe coefficient of
a small block with mass m slides across africtionless horizontal tabletop and undergoes an elastic collision with a
a geosynchronous orbit is one in which the satellite orbits above the equator andhas an orbital period of 24 hours so
a 2000 kg car moving east at 100 mscollides with a 3000 kg car moving north the cars stick togetherand move as a unit
a student throws a set of keys vertically upward to her sorority sister who is innbsp a window 400m above the second
a block of mass m slides at velocity vo across ahorizontal frictionless surface toward a large curved movable rampof