An object with a mass of 9.9 kg experiences a force of 17.82 N. What is the acceleration of the object?

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

a electronegativity decreases beacuse the size of nucleus is bigger.

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;