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consider the arrangement of 2 point masses m and 3m with the value m 200 kg connected by a massless rod of l 800 m
the pilot of an airplane traveling 190 wants to drop supplies to flood victims isolated on a patch of land 160 belowthe
a rotating rod that is 153 cm long is spun with its axisthrough one end of the rod so that the other end of the rod has
a sailor strikes the side of his ship just below the waterline he hears the echo of the sound reflected from the ocean
the archerfish hunts by dislodging an unsuspecting insect fromits resting place with a stream of water expelled from
a block of mass m 08 kg hangs at the end of a massless spring a smaller block of mass m 03 kg is glued to the bottom
if a violin string vibrates at 400 as its fundamental frequency what are the frequencies of the first four
three metal fishing weights each with a mass of 100x102 g and at temperature of 100oc are placedin 100x102g of water at
yellow light propagates through vacuum at a speed of 3 x 105 kmsec with a wavelength of 590 nm in water however the
the filament in a light bulb has a resistance of 10 if the filament has a cross sectional area of 30times10-6 m2 and
a capacitor has a capacitance of 55pf in the charging process electrons are removed from one plate and placed on the
a charge of 4microc is placed at one corner of an equilateral triangle and a charge of -2microc at another corner the
1a rock weighing 10kg is carried horizontally across a 10m room calculateihow much work is doneiihow much potential
a what properties of light might be involved in reflectionb what changes occur in the properties of light such as
an underground pipe carries water of density 1000 kgm3 to a fountain at ground level at point a 050 m below ground
a horse canters away from its trainer in a straight line moving135 m away in 156 s it then turns abruptly and gallops
the near point of a given individuals eyes is 55cm what focal length corrective lens should be prescribed so that an
a small turbo-prop commuter airplane starting fromrest on a tallahassee airport runway accelerates for 225s before
a figure skater is spinning at a rate of 10 revs with her armsoutstretched she then draws her arms in to her
a diver can change his rotational inertia by drawing his arms andlegs close to his body in the tuck position after he
a given individual is unable to see objects clearly when they are beyond 100cm what focal length lens should be used to
a binary star in the constellation orion has an angular separation between the stars of 10-5radians if lambda500nm what
what is the magnitude of the electric field at the centre of a square of side 4500 cm if one corner is occupied by a
a nearsighted person cannot see objects clearly beyond 30cm the far point if the patient has no astigmatism and contact