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a solid ball has a rotational inertia of 00314 kgm2 it is rotated by applying a 47 n force tangentiallyto it the radius
a 085 kg mass attached to a vertical spring of force constant150 nm oscillates with a maximum speed of v 035 ms find
the four tires of an automobile areinflated to a gauge pressure of 20 x 105 pa each tire has an area of 0024 m2 in
the distance to a point source is increased by a factor of 7a by what factor does the intensity increaseb by what
a runner weighs 573 n and 71 of this weight is watera how many moles of water are in the runners bodyb how many
a 0280 kg croquet ball makes an elastic head-on collision with asecond ball initially at rest the second ball moves off
a force of 250n is applied to a hydraulic jack piston wth a01m diameter if the output piston which supports the loadhas
a force of 250 n is applied to a hydraulic jack pistonwith a 01m diameter if the output piston which supportsthe load
the de broglie wavelength of a 1 mg grain of sand being blownby the wind is 3x10-29 m what is the speed of thegrain of
a spaceship whose rest length is 350m has a speed of 82c withrespect to a certain reference frame a micrometeorite also
during the final stages of descent asky diver with an openparachute approaches the ground with a constant velocity
a block lies on a horizontal frictionless surface and isattached to the free end of a spring with a spring constant of
a flask with a volume of 150 l providedwith a stopcock contains ethane gas c2h6at 300 k and atomospheric pressure 1013
as lc circuit consists of a capacitor with c 34 x10-6 f and an inductor with l 0080 h at t 0 the capacitor has
an aluminum cup contains 225 g ofwater and a 40 g copper stirrer all at 27degc a 410 g sample of silver at an initial
a 30-kg shopping cart full of groceries sitting at the top of a20-m hill begins to roll until it hits a stump at the
in a playground there is a small merry-go-round of radius120 m and mass 120 kg its radius of gyration see problem 85
a 500-n salmon swims 200m upstream against a current thatprovides a resistance of 150n this portion of the stream rises
a scuba diver releases a 350 cmdiameter spherical bubble of air from a depth of 100 m in alake assume the temperature
ultraviolet light of wavelength 218 nm shines on a zinc surface if the workfunction of zinc is 43 ev what is the
in an internal combustion engine air at atmostpheric pressureand a temperature of about 20 degrees celcius is
a spring is hung from a ceilingand an object attached to its lower end stretches the spring by adistance of 500 cm from
a sample of helium-4 behaves as an ideal gas as it isheated at constant pressure from 294 k to 404 k if 33 j of work
a researcher heats a 100g piece of unknown material to 150 cand then drops it into an insulated cup holding 300g of
on a soup production line 100l of concentrated brothc1calg c at 90 c will be mixed wth 200l of water aftermixing the