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a communications satellite is a solid cylinder with mass 1135 kg diameter 091 m and length 175 m prior to launching
a sample of 23times1010 atoms that decay by alpha emission has a half-life of 150 min how many alpha particles are
a thin rod of length l 080 m and negligible mass that can pivot about one end to rotate in a vertical circle a heavy
a woman with a mass of 470 kg is standing on the rim of a large disk that is rotating at an angular velocity of 0480
radiation at temperature ti fills a thermally insulated cavity of volume v if the cavity expands isentropically to
a ball rolls off horizontally from a table that is 125m with an speed of 231ms how far away is the ball from the base
one liter of helium at stp is heated at constant volume to 100 c it is then allowed to mix in an insulated container
a person pushes a 16-kg lawn mower at constand speed with a force f 80n directed along the handle which is at an angle
a clock has an aluminum pendulum with a period of 1000 s at 221 degc suppose the clock is moved to a location where the
what is the maximum volume that 3 kg of oxygen at 950 kpa and 373 c can be adiabatically expanded to in a
ca person pushes a 16-kg lawn mower at constand speed with a force f 80n directed along the handle which is at an angle
a piece of wood is 0700rm m long 0210rm m wide and 800times102rm m thickpart a its density is 600rm kgm3 what volume
a steam pipe is to transport 200 lbmls of steam at 200 psia and 600 f calculate the minimum diameter this pipe can
you are riding in a thrill ride at the state fair where you are spun around in a large horizontal circle at the end of
a 903-mhz radio wave is broadcast from ktuhs transmitter assume that its speed through air is the same as it would be
a 350-kg boy riding a 250-kg skateboard at a velocity of 530 ms across a level sidewalk jumps forward to leap over a
bats use the doppler effect as a directional guide and to detect insects as it flies at a speed of 480 ms a bat emits a
using a highly sensitive parabolic sound collector amy records the frequency of a tuning fork as it drops into the
two consecutive diffraction maxima are observed at angles 14o and 73o from a diffraction grating with 12000 elements eg
the most energy efficient way to send a spacecraft to the moon is to boost its speed while it is in circular orbit
suppose you are in a high-speed boat moving at 194 ms directly into approaching 107 m wavelength waves what is the time
body a of mass m has an original velocity of 60ms in the x dicrection toward a stationary body b of the same mass after
an oven may be regarded as a cube each side 12m long the oven stands on thin legs and the heat transfer through each of
an 660-cm-diameter 370 g sphere is released from rest at the top of a 200-m-long 190 deg incline it rolls without
an electron is released from rest at the negative plate of a parallel plate capacitor the charge per unit area on each