Physics HELP! A partly-full paint can has 0.81 gallons of paint left in it?

M

Martha W

New member
(a) What is the volume of the paint, in cubic meters?

(b) If all the remaining paint is used to coat a wall evenly (wall area = 28 m^2), how thick is the layer of wet paint? Give your answer in meters.
 
a) 0.81 gallons in m3 =

1 cubic meter = 264.17 gallons
x cubic meters = 0.81 gallons

x = 0.81/264.17 = 0.00307 m3

b) 0.00307/28 = 0.000110 m
 
There is two problems to the question at hand.

1.) Assuming this is like the physics class I took in HS, we are ASSUMING that the paint can is a standard size thats sold on the market. However knowing how big the can is a big piece of the puzzle.

2.) The viscosity of the paint is unknown, which makes part (b) unsolveable.

Need more information!
 
There is two problems to the question at hand.

1.) Assuming this is like the physics class I took in HS, we are ASSUMING that the paint can is a standard size thats sold on the market. However knowing how big the can is a big piece of the puzzle.

2.) The viscosity of the paint is unknown, which makes part (b) unsolveable.

Need more information!
 
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