Momentum is a VECTOR quantity because it involves MAGNITUDE AND DIRECTION.
A vector quantity is a quantity which has both magnitude and direction. The formula for momentum is mass x velocity. The mass is a scalar quantity while the velocity is a vector quantity; scalar multiply by vector quantity will give vector quantity .<span />
Answer:
The Great Lakes and Corn Belt occupies a significant portion of this subregion located between the Appalachian Mountains to the east and the Rocky Mountains to the west named A. America’ s central lowlands.
Question Continuation
1. Mercury goes through a full cycle of phases
2. Moon rises in east, sets in west each day
3. Stars circle daily around north or south celestial pole
Answer:
The true statements are are (2) and (3)
2. Moon rises in east, sets in west each day.
From all part of the earth, we can see and observe the moon only that the stars move in parallel to the horizon in the north pole.
3. Stars circle daily around north or south celestial pole.
The relative position of starts are always altered because of the earth's rotation
While (1) does not really occur as seen from Earth
1. Mercury goes through a full cycle of phases
We can see the mercury from the Earth but in its whole form not in its phases.
