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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
the drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below
a transformer consisting of two coils wrapped around an iron coreis connected to a generator and a resistor as shown in
a horizontal wire carries a current i 180 a a secondwire is suspended parallel to it if the second wire carries 20 aand
1 as far as an astronomer is concerned a metal referstoa any elementb any element excepthydrogenc any element
the moment of inertia of a 098-kg bicycle wheel rotating about itscenter is 013kg m2 what is the radius of this wheel
when a pitcher throws a curve ball the ball is given a fairly rapid spin if a 015-kg baseball with a radius of 37cm is
the fastest that anyone has gotten to the top of a local mountain elevation change of 3500 ft is 44 minutes assume a
a 120 v battery is connected inseries with a resistor and an inductor the series circuit has atime constant of 597
a rock climber throws a small first aid kit to another climberwho is higher up the mountain the initial velocity of