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a 60 cm layer of water n 133 is standing on a horizontalslab of glass n 150 a light ray enters the water fromair n
in an experiment of specific heat there are mixed 196 g of aluminum at 107degc with 523 g of water at 186 degca
a car with a mass of 1060 kg starts from rest and accelerates toa speed of 107 ms in 158 seconds assume that the force
a 2800 kg elevator carries a maximum load of 8351 kg a constant frictional force of 4500 newtons retards the elevators
a spaceship leaves earth traveling at 066c a secondspaceship leaves the first at a speed of 082c with respect to the
a certain star is 195 light years awaya how long would it take a spacecraft traveling 0930c to reach that star from
as measured in earths frame of reference two planets are425times105 km apart a spaceship flies from one planet tothe
an unstable particle at rest breaks up into two fragments ofunequal mass the mass of the lighter fragment is300 x 10-28
three equal mass lumps of clay flying through the air hit each other stick and fly off together the originalvelocity of
a box with a membrane down the midddle has 20 n2 moelecules onone side and 50 o2 moelecules on the other sidea once the
charge of uniform density rho 34 microcm3 fills a nonconducting solidsphere of radius 53 cma what is the magnitude of
the uncertainty in an electrons position is 018 nm what is the minimum uncertainty delta p in its momentum what is
an air bubble originating from a under-water diver has a radius of 94 mm at some depth h when the bubble reaches the
a block of mass m on a horizontal frictionless tabletop is pushed against a horizontal spring compressing it a distance
the volume of 1 mol of a monoatomic gas is increased from 4 l to 5 l at constant pressure the initial temperature of
a 140 kg steel rod in a building under construction a load of 6520kg during the day the rods temp increases from 25 deg
a coil of 12 turns and radius 100 cmsurrounds a long solenoid of radius 210cm and 100x103 turnsmeter thecurrent in the
synchronous generator problem - the generator outputs 60 hz power and has a rotational speed ofnbsp 1200 rpm the flux
a uniform disk turns at 37 revs around a frictionless spindle anonrotating rod of the same mass as the disk and length
a string is fixed at both ends and is vibrating at 120 hz which is its third harmonic frequency the linear density of
a broad beam of light of wavelength 692 nm is incident at90deg on a thin wedge-shaped film with index of refraction
a 33 turn circular coil of radius300 cm and resistance 100 omega isplaced in a magnetic field directed perpendicular to
a long solenoid cross-sectional area 088 x 10-6m2 number of turns per unit length 2671 turnsm is bent into a circular
the decibel level of ajackhammer is 125 db relative to the threshold of hearing determine the sound intensity produced
a circuit consists of a resistor an ideal 12-h inductor and an ideal 60-hz generator all connected in series the rms