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1 compute the edge length of a cube that has the same volume as a sphere of radius 50 cm2 how much greater is the
a lady pulls a suitcase with a mass of 20 kilogram across the floor by applying a force t to a chain that makes an
a 250 kilogram block is initially at rest on a horizontal surface a horizontal force of 750 newton is required to set
a turntable that spins at a constant 800 rpm takes 390 second to reach this angular speed after it is turned on
a plane slows down from 142ms to 1ms in 3200m1 what is the acceleration of the plane2 how long does it take the plane
a wooden block slides directly down an inclined plane at a constant velocity of 60 ms determine how large is the
a projectile is launched at an elevation angle of 60o with an initial velocity of 120 ms evaluate what is the x and y
a single string of length 322 meter is made up of two separate shorter strings c and d spliced together string c has
a single string is made up of two strings of different densities joined together each of the strings is 140 meter long
a large pendulum with a 200-lb gold-plated bob 12 inches in diameter is on display in the lobby of the united nations
a meter stick has two weights hanging from its ends one is a 1 kilogram weight and the other is 3 kilogram weight
a 2 kilogram wood block is launched up a wooden ramp that is inclined at a 30 degree angle the blocks initial speed is
a baby was born when the planets jupiter and mars were in alignment on that day the distance to jupiter was 75 x 1011
all our houses are wired in parallel below is an example of a simple household circuit with 3 equal light bulbs suppose
determine the absolute pressure at the bottom of a fresh water lake at a depth of 228 meter suppose the density is of
a 40 meter of 14 awg copper wire is connected to an ideal 90 volt battery the temperature of the wire is 35degc
the deepest point in the ocean is the marina trench about 11 kilometer deep the pressure at that point is huge 113 x 10
a house has a floor area of 170 m2 and an outside wall that has an area of 425 m2 the earths magnetic field here has a
if a pendulum is oscillating at an angle phio60 degree compute by what percent the period deviates from its small angle
an alpha particle q 2e m 400 u travels in a circular path of radius 641 centimeter in a uniform magnetic field with b
in a youngs double-slit experiment the seventh dark fringe is placed 0022 meter to the side of the central bright
on a frictionless horizontal air table puck a with mass 0255 kilogram is moving toward puck b with mass 0375 kilogram
a diverging lens f -115 centimeter is placed 200 centimeter to the left of a converging lens f 305 centimeter a 300
a 645 kilogram canoeist stands in the middle of her canoe the canoe is 35 meter long and the end that is closest to
two planes approach each other head-on each has a speed of 780 kmh and they spot each other when they are initially 120