So

Mass = 108 g

Volume = 12 cm3

What is the Density =

On a cold winter day when the temperature is - 20∘C, what amount of heat is needed to warm to body temperature (37 ∘C) the 0.50 L of air exchanged with each breath? Assume that the specific heat of air is 1020 J/kg⋅K and that 1.0 L of air has mass 1.

You throw a stone vertically upward with an initial speed of 6.4 m/s from a third-story office window. A) Find the speed of the stone just before it hits the ground. Hint: the time is 2.3 s

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Dose aloe Vera grow in the mesa?

A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 35 cm diameter stone is spinning at 200 rpm and has a mass of 28 kg. The coefficient of kinetic friction between the knife and the stone is 0.20.