Physics, 15.02.2021 09:20 Fatimaneedhelp
What is the fall in the height of mercury column when the barometer is taken
vertically upwards through a height of 1.5km (density of mercury
=13000kgm^3, density of air = 1.3 kgm)
Answers: 2
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At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?
Answers: 1
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
What is the fall in the height of mercury column when the barometer is taken
vertically upwards thr...
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