Aneutron star is the remnant left after certain supernovae (explosions of giant stars). typically, neutron stars are about 18 km in diameter and have around the same mass as our sun. what is a typical neutron star density in g/cm^3?

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

If y gets smaller as x gets bigger and y have an relationship?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87