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1 the images of astronomical and terrestrial telescopes are colored around the edges explain that how can this
a 100 gram mass potato is dropped from a height of 50 m a knife with the sharp side 01mm facing upwards is placed 1 m
a 120-v motor has mechanical power output of 300 hp it is 830 efficient in convertingpower that it takes in by
a solenoid of n100 turns per centimeterhas a current i running in it suchthat the resulting magnetic field is b1ta find
the electron of a hydrogen atom makes a transition from the n 5 state to the n 2 state what is the wavelength of the
after a snow storm the roof on one house h1 isuniformly covered by snow whereas at the house next door h2 the snow has
a car accelerates from 0 to 30 mph in 15snbsp how long does it take for it to accelerate from 0 to 60 mph assuming the
two window washers sally and tom are on a 300 m long 345 n uniform scaffold supported by two cables attached to its
an electromagnetic wave has an electric field amplitude of475 vm what is the magnetic fieldamplitude associated with
the intensity of the electromagnetic radiation from the sun when itreaches the saturns surface is approximately 15 wm2
the electromagnetic waves used in a microwave oven have awavelength of 1224 cma what is the frequency of thisradiationb
the wireless connection used by your laptop computer employs electromagnetic waves with a frequency near 24 ghza what
when a certain air-filled parallel-plate capacitor is connectedacross a battery it acquires a charge on each plate of
what force must be applied to push a carton weighing190 newtons up a 11deg incline if the coefficient of
a 39 a current is set up in a circuit for 59 min by a rechargeable battery with a 90 v emf by how much is the chemical
a mountain climber friend with a mass of 80 kg ponders the ideaof attaching a helium-filled balloon to himself to
when monochromatic light shines perpendicularly on a soap filmn 133 with air on each side the second smallestnonzero
some european trucks run on energy stored in a rotating flywheel with an electric motor getting the flywheel up to its
a molecule of dna deoxyribonucleic acid is 219 microm long the ends of the molecule becomesingly ionized -- negative on
a large spherical shell with a mass of 145 kg and radius of 15m isinitially spinning at a rate of 300 rpm a maintenance
a proposed space stationincludes living quarters in a circular ring 545 m in diameter atwhat angular speed should the
a bicycle has wheels with a diameter of 0570 m itaccelerates uniformly and the rate of rotation of its wheels increases
the flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 127rads2 it
two initially uncharged capacitors of capacitance c and2c are connected in series across a battery determine whether
a 10-cm-thick layer of water stands on a horizontal slab of glass light from within the glass is incident on the