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Assume that by stirring 509 g of water you are able to increase its temperature from 19.0° C to 21.0° C. Discover the increase in the water's entropy.
The driver of a car sets the cruise control and ties thesteering wheel so that the car travels at a uniform speed of 10 m/sin a circle with a diameter of 130 m. What linear distance does it travel in this time
a singly ionized helium atom he has only one electron in orbit about the nuclues. what is the radius of the ion when it
Given: G = 6.67259 × 10?11 N m2/kg2 Mimas, a moon of Saturn, has an orbital radius of 1.68 × 108 m and an orbital period of about 23.32 h. find the mass of Saturn
cold sodium atoms near absolute zero in a state called a bose-einstein condensate can slow the speed of light from its
A capacitor is used as energy storge device. the material between the plates of the capacitor has a certain resistance leading to a gradual slef-discharge. What is the fraction of the initial energy lost in the first hour
how many electrons n does it take to make a charge of -1.0 c? a current of 1.2 a passes through a wire for 1.3 minutes.
The drawing shows a copper wire (negligible resistance) bentinto a circular shape with a radius of 0.48 m. The radial sectionBC is fixed in place, while the copper bar ACsweeps around at an angular speed of 16 rad/s.
A 0.400-kg ball approaches a very massive wall at 20.0 m/s perpediculat to wall and rebounds with 70.0% of its inital kinetic energy. find the magnitude of the change in momentum of the wall
Two astronauts are at rest in outer space, one 19.7 m from the Space Shuttle and the other 39.4 m from the Shuttle. Using a 129.0-W laser, how long will it take her to reach the Space Shuttle
The wing of an airplane has an average cross-sectional area of 13 m2 and experiences a lift force of 84,000 N. What is the average difference in the air pressure
A firefighter a distance d from a burning building directs a stream of water from a fire hose at angle ?i above the horizontal, at what height h does the water strike the building
light of wavelength 5.00 x 102 nm passes through a slit of width 0.210 mm.a find the width of the central maximum on a
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