This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
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QUESTION 12: To find the volume of the stone, subtract the initial volume of the liquid from the final volume of the liquid with the stone. Volume of stone = Final volume - Original volume V_stone = 35 mL - 25 mL = 10 mL The correct option is C. C. 10 mL QUESTION 13: The mass of one cubic metre of a substance is the definition of density. Density is mass per unit volume. The correct option is D. D. density QUESTION 14: Density is calculated by dividing mass by volume. Given: Mass (m) = 50 g Volume (V) = 5.8 cm³ Density () = (m)/(V) = 50 g5.8 cm^3 ≈ 8.62 g/cm^3 Rounding to one decimal place, the density is approximately 8.6 g/cm³. The correct option is D. D. 8.6 g/cm^3 QUESTION 15: The gravitational force of the Earth, also known as the gravitational field strength (g), is approximately 9.8 N/kg. A common approximation used is 10 N/kg. The correct option is C. C. 10 newtons per kilogram.