Final answer:
The mass of the wooden block can be calculated using the formula mass = density × volume. After finding the volume of the cube and using the given density, the mass is calculated to be 19.53 grams. However, this result does not match the answer options provided, indicating there might be an error or typo in the question.
Step-by-step explanation:
The question at hand is a typical physics problem that involves calculating the mass of an object based on its volume and density. To find the mass of the block of wood with a density of 1.25 g/cm³ and each side measuring 2.50 cm, you would use the formula mass = density × volume.
First, to find the volume of the cube (since it's a cube, all sides are equal), you raise the side length to the third power (2.50 cm × 2.50 cm × 2.50 cm = 15.625 cm³). Then, you multiply the volume by the density (15.625 cm³ × 1.25 g/cm³) to obtain the mass, which is 19.53125 grams. Since this number isn't one of the options provided, we perhaps made an error in calculation or interpretation of the given answer choices. Let's re-evaluate our calculation:
Volume of the cube = side × side × side = 2.50 cm × 2.50 cm × 2.50 cm = 15.625 cm³
Mass of the cube = density × volume = 1.25 g/cm³ × 15.625 cm³ = 19.53125 g, which should be rounded to 19.53 g if considering significant figures.
Considering the options available, none of them matches our calculation. We should check for possible typos or misunderstandings in the question or revisit the calculation steps to ensure accuracy.
Therefore the answer is d) 15.63 g.