The nuclide cobalt-60 has 27 neutrons, 33 protons, and a nuclear mass of 59.933820 u. Calculate the mass of the separate nucleons using the following information:
Mass of Proton: 1.007825 u
Mass of Neutron: 1.008665 u
1 u = 931.5 MeV
59.933820 u
02.01649 u
O 60.492184
520. 11 u

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

Modify the equation fδt=δ (mv) to find the force of friction.

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