You are holding a 5.0-kg gold bar under water. how heavy does it feel? (i. e. what is the bar’s weight under water? ) the density of water is ρw = 1000 kg/m3 and the density of gold is ρg = 19,300 kg/m3 .

It will feel 4.85% lighter.

Explanation:

Normal weight of the gold bar = 5.0 × 9.81 = 49.05 N

The weight of the gold bar would be reduced because of the buoyant force acting upwards.

weight of the gold bar under water = normal weight - weight of the water displaced by the gold bar.

first, we need to find the volume (V) of the gold bar.

Percentage of decrease in weight

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that would be because of both gravity and friction. so     c