Identify each relationship as direct or inverse by choosing the correct answer from the drop-down menu. speed of a car and the distance traveled

number of people at a party and the amount of food consumed

elevation above sea level and the air temperature

distance a planet is from the sun and the period of revolution

temperature of a bowl of soup and time

Intro

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ODO

5 of 9

a) Direct

b) Direct

c) Inverse

d) Direct

e) Inverse

Explanation:

a) Speed of Car and Distance Traveled

Direct

Since, speed = (distance)(time)

Therefore, for constant time, Speed α Distance

b) No. of People at Party and Amount of Food Consumed

Direct

Since,

Food Consumed = (Food Consumed by 1 Person)(No. of People at Party)

Therefore, for constant amount of food consumed by 1 person,

Food Consumed α No. of People at Party

c) Elevation above Sea Level and Air Temperature

Inverse

The relation between altitude and air temperature is not constant. It changes in every layer of the atmosphere. So, if we only talk about the first layer, that is, Troposphere. Then the relation between elevation above sea level and air temperature is:

Air Temperature α 1/Elevation Above Sea Level

As, the elevation increases the air temperature decreases.

d) Distance of a Planet from Sun and Period of Revolution

Direct

According to Kepler's Law:

Period of Revolution α (Distance from Sun)^1.5

e) Temperature of a Bowl of Soup and Time

Inverse

Since, the initial temperature of soup is higher than the surrounding. Thus it loses heat to the surrounding with time. As a result the temperature of the soup decreases with time.

Therefore,

Temperature of Bowl of Soup α 1/Time

what is the actual question though?