The time taken by the ballast bag to reach the ground is 2.18 s
The ballast bag at rest with respect to the balloon has the upward velocity (u) of 4.6 m/s , which is the velocity of the balloon. When it is dropped from the balloon, its motion is similar to an object thrown upwards with an initial velocity <em>u </em>and it falls under the acceleration due to gravity<em> g.</em>
Taking the upward direction as positive and the downward direction as negative, the following equation of motion may be used.

The bag makes a net displacement <em>s</em> of 13.4 m downwards, hence

Its initial velocity is

The acceleration due to gravity acts downwards and hence it is negative.

Use the values in the equation of motion and write an equation for t.

Solving the equation for t and taking only the positive value for t,
t=2.18 s
C. Travels slower in solids because the particles are closer together.
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Answer:
c) The concepts of quantitative and qualitative are not related at all.
Explanation:
Quantitative properties are those which can be compared by its magnitude only
so it is always in relative terms like we can compare them by which one is larger and which one is smaller
Qualitative terms are those which will compare the quality of two like which one is better in terms of given property
so here we can say that quantitative and qualitative terms is not comparable
hence correct answer will be
c) The concepts of quantitative and qualitative are not related at all.
Answer:
1.0147 rounded to the nearest thousandths place is 1.015