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question for example what is your density you know that when you are swimming you can float but only just barely
question example showed that earth subtends at the moon an angle of 00333 rad does this help you imagine what a full
question the us federal budget runs annual deficits of about 5times 1011 how high would a stack of 100 bills be if it
question write out all the figures in example numerically write down the relevant relations and confirm the statements
question what is the largest object for which you have some sense of its size estimate its volume what is earths volume
question the moon is 38 times 108 m from earth you can just block out the moon with a disk 928mm in diameter held 1m
question if you like this sort of argument apply it to the sun curiously the sun subtends at earth almost exactly the
question how can this be you just found that the density of earth is 55gcm-3 how can earth be denser than its crust
question an object executes circular motion with a constant speed whenever the net force on it acts perpendicular to
question compute the potential energy between two electrons that are positioned 1aring apart in a atomic units and b
question the maximum range of a bullet fired from a toy pistol mounted on a car at rest is r040m what will be the acute
question a heavy ball is suspended from the ceiling of a motor car through a light string a transverse pulse travels at
question in one of the classic nuclear physics experiments at the beginning of the 20th century an alpha particle was
question mike is a 70 kg pole-vaulter he falls from a peak height of 590 m after pole-vaulting over a crossbar setat
question a study was conducted to determine whether a relationship existed between certain shareholder characteristics
question the experiment of clamping a long metal ruler against a table changing the masses attached to the end of the
question the distance between two slits in a double-slit interference experiment is 21acute 10-3 mm a first-order
question 1 a pendulum is made from a thin homogeneous metal plate cut into an equilateral triangle what is the
question a 1-m3 rigid tank initially contains air whose density is 118 kgm3 the tank is connected to a high-pressure
question a body moving towards north covers 50m takes a right turn to cover 80m takes right turn to cover 50m and
question derive an expression for the work done by a gaseous system for an isothermal expansion of an ideal
question a flute is designed so that it produces a frequency of 2616 hz when all the holes are covered and the
question a write a expression for the relative velocity along the line of sight at galactic longitude for all observed
question suppose equal weights are put on the two pans of a beam balance the arm is kept at an angle with the
question water level is maintained in a cylindrical vessel up to a fixed height h the vessel is kept on a horizontal