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a ski starts from rest and slides down a 29deg incline 100 mlong use energy methodsa if the coefficient of friction is
three non-interacting particles are in their ground state inan infinite square well see the figure above what happens
a rifle with weight of 30n fires a 50g bullet with a speed of300msa find the recoil speed of the rifleb if a 700n
a fishing boat with a maximum speed of 3ms relative to the water is in a river that is flowing at 2ms what is the
high-speed stroboscopic photographs show that the head of a200-g golf club is traveling at 55ms just before it strikes
calculate the magnetic moments that are possible for the n3 level of hydrogen making use of the quantization of angular
a dentists drill starts from rest after 300s of constantangular acceleration it turns at a rate of 220 x 104revmina
in the figure 29-49 four long straight wires are perpendicular to the page and their cross sections form a square of
the work required to stretch a certain spring from anelongation of 4cm to 5cm is 305j what is the work required to
when a person inhales air moves down the bronchus at 15cms the average flow speed of the air doubles through
the moon has a period of 273 days and a mean distance of 390x105km from the center of earth a use keplers laws to find
a baseball player dives into third base with an initial speed of815 ms if the coefficient ofkinetic friction between
a 15400 g mass is ona horizontal surface with muk 031 and is in contact with a massless spring with a force constant
most of us know intuitively that ina head-on collision between a large dump truck and a subcompactcar you are better
exploding shoes the rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the
an airplane flies in a loop a circlar path in a verticalplane of radius 150m the pilots head always points toward
the first stage of a space vehicle consumed fuel and oxidizerat the rate of 170 104kgs with an exhaust speed of 285103
what is the velocity of a beam of electrons that goundeflected when passing through perpendicular electric andmagnetic
a current density of 600 multiplied by 10-13 am2 existsin the atmosphere at a location where the electric fieldis 70 vm
1 two long conducting wires are 30 cm apart one carries acurrent of 25 a and the other carries a current of 65 a find
a motercycle has a mass or 250102 kg a constantforce is excerted on it for 600s the motercycles initialvelocity is
the maximum speed of a child on a swing is 43 ms the childs height above the ground is070 m at the lowest point in
an electron beam is deflected upward through a 30 mm whiletraveling in a vacuum between two deflection plates 120 mm
in the old west a marshal riding on a train traveling 50 ms seesa duel between two men standing on the earth 50 m apart
with good tires and brakes a car travelingnbsp on dry pavement can travel 400 ft when the driver reacts to something he