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a simple pendulum is made from a 063 mlong string and a small ball attached to its free end the ball is pulled to one
a 020-kg metal sphere oscillates at the end of a vertical spring as the spring stretches from 013 to 021 m relative
consider the record throws for the javelin men 9848 m zelezny 1996 0800 kg and women 7228 m spotakova 2008 0600 kg
a car is traveling down around a banked curve in the road thecurve has a radius of 300 m and is banked at an angle
review conceptual example 2 as an aid in solving this problem an object is attached to the lower end of a 100-coil
a horizontal wire of length 013 m carrying a current of 28 a isplaced in a uniform external magnetic field when the
point a is at a potential of 250 v and pointb is at a potential of -140v an alpha-particle is a helium nucleus that
two circular coils of current-carrying wire have the same magnetic moment the first coil has a radius of 0091 m 120
in a performance test each of two cars takes 80 s to acceleratefrom rest to 28 ms car a has a mass of 1429 kg and car b
a telescope is used to observe two distant point sources transversely 250 rm mapart with light of wavelength 600 rm nm
a model rocket is constructed with a motor that can provide a total impulse of 390 nmiddots the mass of the rocket is
the drawing shows four insulated wires overlapping one another forming a square with 0050-m sides all four wires are
a baseball m 145 g approaches a bat horizontally ata speed of 409 ms 915 mih and is hit straight back at a speedof 517
total required annual electrical energy output from the wind farm 120 tj max number of turbines for which there is
a 60 cm long steel rod with a diameter of 4 cm is mated to a 40 cm long cu rod with the same diameter the unmated end
incident light in air impinges on a diamond if the angle of the incident ray is 60degfrom the normal find the angles of
an illusionist causes a valuable piece of jewelry apparently to disappear by dropping it in a pool of water directly
a long air-core solenoid of 240 turns has a length 040 m andradius 30 cm it carries a current of 40aa find the magnetic
a magnetic field of strength 027 t is directed perpendicular to a plane circular loop of wire of radius25 cm find the
a concave spherical mirror has a radius of 20 cm a real object is placedon the optical axis 15 cm from the mirrora
a conductor bar ab of length 06 m is moving on two conductingrails with a speed v 36 ms perpendicular to a uniform
for the configuration shown below suppose that a 500 cm b 200 cm and c 250 cm furthermore suppose that the
a 95 turn square wire coil of area0040 m2 rotates about a vertical axis at 1700 revmin as indicated in figure p2030 the
a 99 kg rock with a volume of15 l is completely submerged in waterthe density of water is 1 kgla what volume of water
a particle p with mass 12 kg has position vector r r 65 m and velocity v v 50 msas shown in the figure it is acted on