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a 045-kg crow lands on a slender branch and bobs up and down with a period of 11 s an eagle flies up to the same branch
a small ball with a mass of 550 g is loaded into a spring gun compressing the spring by 150 cm when the trigger is
passengers riding in the great six flags air racer are spun around a tall steel tower see the figure at top speed the
a coin placed on a turntable rotating at 339 revmin will stay there if its center is placed no further than 70 cm from
a velodrome track is banked so that a bicycle traveling at 712 kmh will have no tendency to slip to either side when
through 023 s a wheel rotates through an angle of 298 rad as a point on the periphery of the wheel moves with a
an electron with kinetic energy 460 kev circles in a plane perpendicular to a uniform magnetic field the orbit radius
a 200 k resistor and a capacitor are connected in series and then a 160 v potential dissimilarity is suddenly applied
a small but measurable current of 16 10-10a exists in a copper wire whose diameter is 31 mm suppose the current is
an 870kg block slides by an initial speed of 166ms up a ramp inclined at an angle of 274 degrees to the horizontal the
three main component equations in the bohr model of the hydrogen atom one of these is now said to represent the
1 a meter stick is rotated about the end labelled 000 cm therefore that the other end of the stick moves during an arc
a sample of aluminium has a density of 2700times103 kgm3 compute the volume of 0500 kg of aluminium in si unitsandif
the mass of jupiter is 3178000 times that of earth and its radius is 10960 times that of earth compute the acceleration
a golf ball with a mass of 4300 g can be blasted from rest to a speed of 7110 ms through impact with a club head
1 a 0372- kg coffee mug rests on a table top 074 m above the floor what is the potential energy of the mug by respect
a 40-cuft tank is filled with air at 147 psia and 80 f the tank also contains a 15-lb block of dry ice solid co2
one end of a cord is fixed and a small 0500-kg object is attached to the other end where it swings in a section of a
what volume of 0250moll solution could you make with 559g of potassium chloridekcls mercury compounds are poisonous
an 80-kg stuntman jumps from a window of a building situated 30 m about a catching net assuming that air resistance
initially there are 610 power 9 radioactive of element w decay constant 0173day in a sample as a nucleus of w decays it
a 300kg elevator is raised with a constant speed during a vertical distance of 100m in two minutes what is the useful
a 400g rubber ball is dropped a vertical distance of 12m it remains in contact by the pavement for 01 sec and rebounds
a child starts from rest at the top of a spiral water slide suppose the slide is frictionless and the top is 85m above
1 a rifle of 30 kg is fired the velocity of a 10-gbullet at the muzzle is 300 ms it takes 0005 s for the bullet to