This is the spring mechanism constructed to start the roller coaster cart. In this diagram, it is at rest. If the roller coaster cart had a mass of 100 kg, the spring had a constant of 0.2 and the compression distance was 10 m, what is the potential energy when the spring mechanism is cocked?

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

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

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.