The unit to express work is called Joule.
because of conduction the metal spoon is a conductor so the heat is getting traveled through the spoon and into your hand
This depends on what units you need to convert to, but the answer would be approximately 2.083 m/s.
5km/40min = 5000m/40min = 5000m/2400s = 2.083 m/s
A). No. The medium is glass.
B). Yes. There is no material between the satellite and Earth,
only vacuum.
C). No squared. The rings are not electromagnetic waves, and
the material is water.
D). No squared. Sound is not an electromagnetic wave, and
the material is air.