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a bar of gold measures 0268 m x 00204 m x 00583 m how many gallons of water have the same mass as this
a carnot engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a
a 0460 kg wood block is firmly attached to a very light horizontal spring k 160 nm as shown in fig 6-40 it is noted
two objects moving with a speed v travel in opposite directions in a straight line the objects stick together when they
a 1 1700 kg car traveling initially with a speed of 25000 ms in an easterly direction crashes into the back of a 9 8000
a wheel rotating with a constant angular acceleration turns through 24 revolutions during a 6 s time interval its
a 0310-m-thick sheet of ice covers a lake the air temperature at the ice surface is -172 degc in 430 minutes the ice
a if argentinosaurus a long-necked gigantic sauropod had a head height of 18 m and a heart height of 83 m what
one of the concrete pillars that supports a house is 23 m tall and has a radius of 069 m the density of concrete is
a capacitor is a device used in a variety of electronic circuits in a simple design a capacitor consists of two
two masses m1 and m2 sit on a horizontal frictionless table and are connected by a light string another light string
one hundred turns of insulated copper wire are wrapped around a wooden cylindrical core of cross-sectional area 120
an lc circuit has capacitance c0 and inductance l a second lc circuit has capacitance 12c0 and inductance 2l and a
water flows straight down from an open faucet the cross-sectional area of the faucet is 17 times 10-4m2 and the speed
on december 27 2004 astronomers observed the greatest flash of light ever recorded from outside the solar system it
a car with a mass of 1300 kg decreases its forward speed from 22 ms to 14 ms in 40 seconds what are the magnitude and
a spherical ball hanging on a string on a smooth frictionless wall the mass of the ball is m its radius is r and the
when the power is turned off on a turntable spinning at 820 rpm you find that it takes 108 revolutions for it to stop
emilies potters wheel rotates with a constant 290 rads2 angular acceleration after 370 s the wheel has rotated through
a superball and a clay ball are droped from a height of 10 cm above a table top they have the same mass 005 kg and the
a box of unknown mass is sliding with an initial speed vi 590 ms across a horizontal frictionless warehouse floor when
a block of wood with volume v floats in water with 070v submerged in oil the block floats with 085v of its volume
a modern house is wired for 1200 v and the current is limited by circuit breakers to a maximum of 2900 a for the
a grinding wheel in the shape of a solid disk is 0300 m in diameter and has a mass of 250 kg the wheel is rotating at
a convex mirror has a radius of curvature of 89 cm an image is produced 40 cm in front of the mirror where is the