The Ratio of the Mass of Object a to the Mass

question 46

Multiple Choice

The ratio of the mass of object A to the mass of object B is 2: 1 and the ratio of their speeds is 1:
2 in the same order. What is the ratio of their kinetic energies?

• A) 1:2
• B) 2:1
• C) 3:1
• D) 1:3
• E) 1:4

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Definitions:

Birthrates

The number of live births per thousand of the population per year, a fundamental demographic indicator that affects a country's population growth.

Death Rates

This refers to the number of deaths in a particular population, scaled to the size of that population, per unit of time.

Malthusian Prediction

The theory proposed by Thomas Malthus that population growth will outpace agricultural production, leading to widespread poverty and famine.

Population Growth

The increase in the number of individuals in a population, usually expressed as an annual rate.