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the drive propeller of a ship starts from rest and accelerates at 300 x 10-3 rads2 for 270 x 103 s for the next 190 x
consider a resistor series rc circuit with a 67 microf capacitor a 45 times 106 resistor and 38 v emf find the maximum
a force f is applied horizontally to a block of mass 2 kg which nevertheless slides down a frictionless 5-m plane
a planet z has a hole bored in it at its equator and a shaft of light from its star goes straight down that hole to the
an ocean thermal-energy power plant takes in warm surface water at a temperature of 26oc and releases heat at 12oc to
some bacteria are propelled by motors that spin hair-like flagella a typical bacterial motor turning at a constant
a 0958 kg block of copper initially at 300oc is dropped into an insulated container with a large quantity of liquid
after 126 s a spinning roulette wheel has slowed down to an angular velocity of 282 rads during this time the wheel has
a person is riding a bicycle and its wheels have an angular velocity of 106 rads then the brakes are applied and the
during a baseball game a batter approaches the plate the pitcher hurtles the ball in the direction of the batter at a
a spring stretches by 00241 m when a 415-kg object is suspended from its end how much mass should be attached to this
a simple pendulum is made from a 0739-m-long string and a small ball attached to its free end the ball is pulled to one
a tow truck pulls a car 400 km along a horizontal roadway using a cable having a tension of 910 na how much work does
a 1212 n carton is pulled up a frictionless baggage ramp inclined at 270 degrees above the horizontal by a rope
two pith balls are each suspended on two strings of equal length of 95cm from the same point a glass rod that had been
the leader of a bicycle race is traveling with a constant velocity of 114 ms and is 112 m ahead of the second-place
a quantity of ideal gas at 2degc and 80 kpa occupies a volume of 30 m3a how many moles of the gas are presentb if the
a neutron star and a black hole are 2900e12 m from each other at a certain point in their orbit the neutron star has a
the mass of venus is 815 that of the earth and its radius is 949 that of the eartha compute the acceleration due to
a building with a weight of 5200e7 n is built on a concrete foundation with an area of 1300 m2 and an uncompressed
picture a uniform disk with a circular hole cut out of it the disk has a radius of 400 m the holes center is at 200 m
the mass of the ball is 165 kg and the mass of the block is 227 kg the length of the wire is 123 m what is the
in reaching her destination a backpacker walks with an average velocity of 137 ms due west this average velocity
the intensity of sunlight that reaches the earths atmosphere is 1400 wm2 what is the intensity of the sunlight that
a distant observer observing from far away but in the plane of the solar system tries to measure the orbital speed of