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4 September, 11:11

A rectangular gasoline tank can hold 45.0 kg of gasoline when full. what is the depth of the tank if it is 0.450 m wide by 0.900 m long?

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  1. 4 September, 11:40
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    The answer is 0.154 m

    Step 1. Calculate the volume of gasoline tank (V) using the known mass (m) and density of gasoline (D).

    D = m/V

    ⇒ V = m/D

    D = 719.7 kg/m³

    m = 45.0 kg

    V = 45.0 kg/719.7 kg/m³ = 0.0625 m³

    Step 2. Calculate the depth of the tank (d) using the known volume (V) of gasoline and width (w) and length (l) of the tank:

    V = d * w * l

    0.0625 = d * 0.900 * 0.450

    0.0625 = d * 0.405

    d = 0.0625 / 0.405

    d = 0.154 m
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