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a flat coil enclosing an area of 010m2 is rotating at 60revs whit its axis of rotationperpendicular to a 020-t magnetic
a test is fired stright up from rest with a net acceleration of20ms2 after 4 seconds the motor turns off but the rocket
light of wavelength 590nm passes throughtwo narrow slits 060 mm apart the screen is 170 maway a second source of
during a lunar landing mission the command module continuesto orbit the moon at an altitude of about 95 km how long
the 300 kg cube has edge lengths d 600 cm and is mounted on an axle through its center a spring k1200 nm connects the
a science student is riding on a flatcar of a train travelling along a straight horizontal track at a constant speed of
a raft is constructed of woodhaving a density of 6262kgm3 the surface area of the bottom of the raft is63 m2 and the
a 2762 kg van runs into the back of a 931 kg compact car atrest they move off together at 62 ms assuming nofricition
a hypodermic syringe contains a medicine with the density ofwater the barrel of the syringe has a cross-sectional area
questiona ping-pong ball has been electrostatically charged such that it has 25 x 1015 excess electrons the ball has a
you stand on a frictionless platform tha tis rotating with anangular speed of 15 revs your arms are outstretched andyou
at the indianapolis 500 you can measure the speed of carsjust by listening to the difference in pitch of the engine
the tension in a string is 15 n and its linear density is0085 kgm a wave is sent down the string in the x direction
in some places insect zappers with their blue lights are afamiliar sight on summer nights these devices use a high
the temperature of an ideal gas is increased from 110degreescelcius to 360degrees c while the volume and the number of
a flat circular coil with 171 turns a radius of 585e-2 m and aresistance of 0373 omega is exposed to an external
a flat col enclosing an area of 01m2is rotating at 60 revs with its axis of rotationperpendicular to a 020-t magnetic
in a photoelectric effect experiment no current flows unless the wavelength is less than 570nma what is the work
two blocks rest on a horizontal frictionless surface the topblock is 5 kg and the bottom block is 10 kg the
a 1000 ml sample of 0200m aqueous hydrochloric acid is added to 100ml of 0200m aqueous ammonia in a coffee cup
a spring with constant k 40 nm is at the base of africtionless 300 degree-inclined plane a 050-kg block ispressed
draw the following structures exactlya draw the structures of 4 amines with formula c3h9nb draw the structures of all
a an electron is confined in a box 10 x10-9m in width what is the uncertainty in its speedb a protonis confined in the
two point charges are separated by 6 cm the attractive force between them is 20 n find the force between them when they
the lowest energy possible for a certainparticle in a certain box is 1ev what are the next two higherenergies the