Answer:
The mass of the vehicle is 1250kg
Explanation:
Given


Required
Determine the vehicle's mass
This question will be answered using Newton's second law which implies that:

In other words:

Substitute values for F and a

Make m the subject


<em>Hence, the mass of the vehicle is 1250kg</em>
Answer:
I think it is the last 2 but i am not 100% sure.
Explanation:
This seems more of a statement then a question if theres more id like to help
Answer:
D) They can be accessed by any method in the same program
Explanation:
Public methods is a form of access modifier in a programming language such as Java, Phython, C#. However, unlike other types of access modifiers like Private Methods, Protected Methods etc they do not put any form of restriction on the access. Hence, in Public Methods members, methods and classes can be accessed from anywhere.
Therefore, what is true of Public Methods is that, they can be accessed by any method in the same program