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a garden hose with an internal diamter of 19 cm is connected to a stationary lawn sprinkler that consists merely of a
the distance traveled is dependent on the initial velocity the acceleration and the time of travel an object initially
a charge of 50 mc is placed on the y axis at y 30 cm and a 77-mc charge is placed on the x axis at x 40 cm if both
a bar 50 m long has its center of gravity 15 m from the heavy end if it is placed on the edge of a block 15 m from the
an electron moving at 360 103 ms in a 110 t magnetic field experiences a magnetic force of 140 10-16 n what angle does
an aircraft engine takes in an amount 9000 of heat and discards an amount 6400 each cyclea what is the mechanical work
a satellite is in a circular orbit very close to the surface of a spherical planet the period of the orbit is 185 hours
a satellite of mass 310 kg is launched from a site on the equator into a circular orbit at 8000 km above earths surface
mary and her younger brother alex decide to ride the carousel at the state fair mary sits on one of the horses in the
you take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a
a solid disk rotates at an angular velocity of 0036 rads with respect to an axis perpendicular to the disk at its
a spherical 034 kg orange 20 cm in radius is dropped from the top of a building of height 33 m after striking the
a 80 w laser beam shines on an ensemble of 1024 electrons each in the ground state of a one-dimensional infinite square
light of wavelength 605 nm falls on a double slit and the first bright fringe of the interference pattern is seen at an
your university radio station has a 53 kw radio transmitter that broadcasts uniformly in all directions listeners
a double slit separated by 00572 mm is placed 170 m from a screen a if yellow light of wavelength 590 nm strikes the
the drawing shows a person weight w 598 n l1 0849 m l2 0398 m doing push-ups find the normal force exerted by the
a transparent oil with index of refraction 128 spills on the surface of water index of refraction 133 producing a
a river flows due east at 151 ms a boat crosses the river from the south shore to the north shore by maintaining a
an inventor claims to have a heat engine that has an efficiency of 40 when it operates between a high temperature
when an object moves through a fluid the fluid exerts a viscous force on the object that tends to slow it down for a
the average coefficient of volume expansion for carbon tetrachloride is 581 10-4 degc1 if a 585-gal steel container is
in seawater a life preserver with a volume of 400times102m3 will support a 720kg person average density 980kgm3 with
gas is contained in a 900-l vessel at a temperature of 250degc and a pressure of 500 atma determine the number of moles
in the isothermal compression of an ideal gas the volume occupied by the gas is decreasing but the temperature of the