Question

Масса бруска олова размером 31*12*10 см равна 22,4 кг. Определите плотность олова.

Answer 1

Объяснение:

маса 22кг 23+78=465 вот проври те

Answer 2

Calculation of Density

To determine the density of lead, we can use the formula:

Density = Mass / Volume

Given that the mass of the lead block is 22.4 kg and the dimensions are 31 cm x 12 cm x 10 cm, we need to calculate the volume of the lead block first.

The volume of a rectangular solid can be calculated using the formula:

Volume = Length x Width x Height

Substituting the given values, we have:

Volume = 31 cm x 12 cm x 10 cm

Now we can calculate the volume and then use it to calculate the density.

Calculation Steps

1. Convert the dimensions from centimeters to meters for consistency. 2. Calculate the volume of the lead block in cubic meters. 3. Calculate the density of lead using the formula.

Let's perform the calculations step by step.

Step 1: Conversion of Dimensions

To convert the dimensions from centimeters to meters, we divide each dimension by 100.

Length = 31 cm / 100 = 0.31 m

Width = 12 cm / 100 = 0.12 m

Height = 10 cm / 100 = 0.10 m

Step 2: Calculation of Volume

Using the formula for volume:

Volume = Length x Width x Height

Volume = 0.31 m x 0.12 m x 0.10 m

Volume = 0.00372 cubic meters

Step 3: Calculation of Density

Using the formula for density:

Density = Mass / Volume

Density = 22.4 kg / 0.00372 cubic meters

Density ≈ 6010.75 kg/m³

Therefore, the density of lead is approximately 6010.75 kg/m³.

Please note that the density of lead can vary slightly depending on impurities and other factors. The value calculated here is an approximation based on the given information.