Answers: 1
Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10Β° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70Β° c if it is known that its temperature increases 2Β° during the first second? (the boiling temperature for water is 100Β° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98Β° c? (round your answer to one decimal place.)
Answers: 2
Physics, 22.06.2019 06:30
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
Answers: 1
Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
Physics, 22.06.2019 15:10
When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.
Answers: 3
Which type of element seeks to gain electrons...
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