Aclass is using marshmallows to demonstrate different chemicals’ properties by heating and cooling the marshmallows. which student is practicing bad laboratory safety?

neka is cleaning up the melted marshmallows after recording her observations.

nikkos checks his glassware for imperfections before using them.

kenneth is using the bunsen burner to roast the marshmallows and eat them.

kojo threw the used marshmallows into the trash can after his instructor told him to do so.

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?

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

If the area of a square has increased by a factor of 16, by how much has each side increased?