Answer:
free trade zone
Explanation:
Answer:
I'm pretty sure the answer is agreement
apply.
A. Gravity exists only on Earth.
O
B. Gravity exists between two objects that have mass.
O
C. Gravity is a force that pulls two objects together.
D. Gravity exists in the whole universe.
E. Gravity doesn't exist between Earth and the sun.
answer: c- interruption of water flow
B) An object at rest has an instantaneous acceleration of zero.
C) Instantaneous acceleration is always changing.
D) An object that is accelerating is always changing speed.
Among the statements, B) An object at rest has an instantaneous acceleration of zero, is correct. This is because when an object is at rest, it isn't moving, and hence, no change in velocity and no acceleration. Other statements do not hold true in all cases.
The statement that is true among the options provided is B) An object at rest has an instantaneous acceleration of zero. When an object is at rest, it means it's not moving, and therefore, it doesn't have any acceleration. Acceleration is the rate at which an object changes its velocity. Thus, if an object is not moving, there is no change in velocity and hence, no acceleration. As for the other statements, A, C, and D, they do not hold true for all cases. An object can be accelerating while moving in a straight line (changing speed but not direction). Also, instantaneous acceleration isn't always changing - it can remain constant. Lastly, an object that is accelerating isn't always changing speed, as it could be moving in a circle at a constant speed.
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The only fully accurate statement is that an object at rest has an instantaneous acceleration of zero, as no change in velocity indicates no acceleration. Other statements have instances where they might not always be true in the field of physics.
According to the fundamentals of Physics, only option B is fully correct: An object at rest has an instantaneous acceleration of zero. This is because an object at rest will stay at rest, with no change in velocity that would constitute acceleration.
Option A) is not entirely correct. An object that is accelerating may change direction, but not always. For example, a car can accelerate while driving straight.
Option C) is also not absolute. Instantaneous acceleration could be changing, but it could also be a constant rate if an object is moving with a uniform acceleration.
Finally, option D) is like A, is not always true: an object that is accelerating doesn't necessarily have to be changing speed. It could also be changing direction while maintaining the same speed.
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