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A student has a rectangular block it is 2cm wide, 3 cm tall, and 25 cm long. It has a mass of 600 g. Calculate the density of the block(find the volume)

User Thandasoru
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2 Answers

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4 g/cm cubed

M=600 g

L=25cm

B=2cm

H=3cm

V=L times B times H

so v equals 150 cm cubed

User Hagai Harari
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6 votes

Final answer:

To calculate the density of the block, we first determined its volume by multiplying the width (2 cm), height (3 cm), and length (25 cm), obtaining 150 cm³. Then, we divided the mass of 600 g by this volume to get the density, which is 4 g/cm³.

Step-by-step explanation:

Calculating the Density of the Block

The question at hand involves finding the density of a rectangular block given its dimensions and mass. First, we have to determine the volume of the block by multiplying its width, height, and length. The formula for volume (V) of a rectangular block is V = width × height × length. In this case, the width (w) is 2 cm, the height (h) is 3 cm, and the length (l) is 25 cm. Therefore, the volume is calculated as follows:
V = w × h × l = 2 cm × 3 cm × 25 cm = 150 cm³.

Once we have the volume, we can calculate the density (D) using the mass (m) that is 600 g. The formula for density is D = m/V. So, we divide the mass of the block by its volume to find the density:
D = m/V = 600 g / 150 cm³ = 4 g/cm³.
Therefore, the density of the block is 4 g/cm³.

User Konstantin Nikitin
by
8.3k points

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