Answer:
1. An objects position is its <u>distance</u> and <u>direction</u> from a <u>reference point</u>.
2.<u>Displacement</u> is <u>difference</u> between its <u>final</u> and <u>initial</u> positions.
Explanation:
For any position we required a reference point and the distance between the reference point and the object.
For example:
an object is 40 m away from a table.
Here the <u>distance is 40 m</u> from a reference point that is <u>a table.</u>
Displacement is the difference between its final and initial position.
For example
A person walk 20 km and then returned back 10 km.
Here distance traveled by a person is 30 km. But displacement is (20 - 10) that is the difference between final and initial position.
So displacement is 10 km.
The answer is A) It uses less energy to make something from recycled materials than from new materials.
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<span>B is the correct answer. Neutrons have no charge. In contrast, protons are positively charged and electrons have negative charge. These charges are all relative to each other. The protons and neutrons can be found inside the atom of an element. Electrons float around the outside.</span>
The object rises to a height of 20.4 m. So option C is correct.
Explanation:
initial velocity= Vi=20 m/s
final velocity at the top= Vf=0
acceleration= g=-9.8 m/s²
Vf²=Vi²+2gh
0= (20)²+2 (-9.8)h
-200=-9.8h
h=200/9.8
h=20.4 m
Thus the object rises to a height of 20.4 m
The bulbs will produce lesser light than their capacity, In short they will be dimmer because the the energy will get divided in the number of bulbs.
