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valina [46]
3 years ago
6

A box sits on a table. A short arrow labeled F subscript N points up. A short arrow labeled F subscript g points down. A long ar

row labeled F subscript P points right. A short arrow labeled F subscript f points left. Study the force diagram to complete the sentences. The forces acting on the box are . The box will move to the
Physics
1 answer:
Aloiza [94]3 years ago
7 0

Answer:

unbalanced and right

Explanation:

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Calculate the nuclear binding energy per nucleon for 136^Ba if its nuclear mass is 135.905 amu.
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Answer:

1.312 x 10⁻¹² J/nucleon

Explanation:

mass of ¹³⁶Ba = 135.905 amu

¹³⁶Ba contain 56 proton and 80 neutron

mass of proton = 1.00728 amu

mass of neutron = 1.00867 amu

mass of ¹³⁶Ba = 56 x  1.00728 amu + 80 x 1.00867 amu

                      = 137.10128 amu

mass defect = 137.10128 - 135.905

                    = 1.19628 amu

mass defect = 1.19628 x 1.66 x 10⁻²⁷ Kg

                     = 1.9858 x 10⁻²⁷ Kg

speed of light = 3 x 10⁸ m/s

binding energy,

E = mass defect x c²

E = 1.9858 x 10⁻²⁷ x (3 x 10⁸)²

E = 17.87 x 10⁻¹¹ J/atom

now,

binding energy per nucleon =\dfrac{17.87\times 10^{-11}}{136}

                                              = 0.1312 x 10⁻¹¹ J/nucleon

                                              = 1.312 x 10⁻¹² J/nucleon

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3 years ago
Why does a siren have a lower pitch as it moves away from you? A The period of the sound wave is decreased B The amplitude of th
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it is letter C

there is a video explaining this

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300

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__________ and __________ both agreed that childhood experiences play an important role in the development of oneself.
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