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a solenoid used to produce magnetic fields for research purposes is 19m long with an inner radius of 27cm and 1100
in 1967 new zealander burt munro set the world record for an indian motorcycle on the bonneville salt flats in utah of
a well-thrown ball is caught in a well-padded mitt if the deceleration of the ball is 210times104 ms2 and 185 ms 1
the waves from a radio station can reach a home receiver by two paths one is a straight-line path from transmitter to
a 250-g object moving to the right at 160 cms overtakes and collides elastically with a 90-g object moving in the same
the intensity on the screen at a certain point in a double-slit interference pattern is 720 of the maximum valuea what
most of the blackholes observed by astronomers have masses equal to few solar masses the result of the death of a high
there are two optical telescopes operating at the exact same frequency the first telescope is a 10m telescope that is
comet halley has an orbital perios of 75 years and when it enters the inner solar system it passes within a few au of
a uniform rod of mass 42 kg and a length of 10 m is hinged to a wall at the left end and held in a horizontal position
an ideal gas is brought through an isothermal compression process the 500 moles of gas go from having an initial volume
a segment of wire carries a current of 20 a along the y-axis from y 20 to y 0 and then along the x axis from x 0 to x
audio cd players read the data on the disc at a constant linear speed and thus must vary the discs rotational speed as
the flywheel of an automobile engine is a solid disk with a mass of 85 kg and a radius of 23 cm and is rotating at 3850
what is the nea puck mass m1 415 kg slides on a frictionless table as shown in the figure below the puck is tied to a
the observer on the right sees two final images one image comes directly from the objet the other images comes from the
a trayson crystal torpedo traveling at 240 x 106 ms is lanuched against the zargon b-class warship the trayson torpedo
an object initially at rest explodes and splits into 3 fragments the first fragment flies off to the west and the
this time william tell is shooting at an apple that hangs on a tree the apple is a horizontal distance of 200m away and
after landing a jetliner on a straight runway taxis to a stop at an average velocity of -300kmh if the plane takes 750s
a student drops a ball from the top of a tall building the ball takes 31s to reach the ground what was the balls speed
two students stand opposite each other on the rim of the merry-go-round of 6m diameter and rotating at 12 revminute one
a rope attached to a 200kg wood sled pulls the sled up a 200 snow-covered hill a 600kg wood box rides on top of the
two blocks rest on a horizontal frictionless surface top block weighs xkg the bottom box weighs 10kg the surface
0110kg stone rests on a frictionless horizontal surface a bullet of mass 900g traveling horizontally at 370ms strikes