So far, you’ve been working with an “ideal” pulley system. How do you think real pulley systems are different, and how would that affect the mechanical advantage of real pulley systems? Plz really need help with this. And thank you so much

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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