Given an electron beam that is aimed East at the equator, what was the direction of the magnetic force on the electrons due to the Earth's magnetic field? Hint: The Earth's magnetic field is directed North at the equator.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

1.)the isotope cobalt-60 has a nuclear mass of 59.933820 u calculate the mass defect of cobalt-60 using the following information. mass of proton: 1.007825 u mass of neutron: 1.008665 u 1 u = 931.5 mev 2.)the isotope cobalt-60 has a nuclear mass of 59.933820 u calculate the binding energy of cobalt-60 using the following information. mass of proton: 1.007825 u mass of neutron: 1.008665 u 1 u = 931.5 mev 3.)the isotope cobalt-60 has a nuclear mass of 59.933820 u calculate the binding energy per nucleon of cobalt-60 using the following information. mass of proton: 1.007825 u mass of neutron: 1.008665 u 1 u = 931.5 mev

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration