Answer:
1. Graph C
2. Friction
Explanation:
1. The line on all of the graphs shown represents velocity. The formula for velocity is 
where d is distance and t is time. Focusing on the first lap, the starting point on the graph should be the origin and the "ending" point should be (20, 3). These requirements eliminate graph A as an answer because its "end" is not (20, 3). During the break, the student does not move, so the slope of the line should be completely horizontal. The break lasted for 5 minutes, so the correct graph should have a horizontal line between the points (20, 3) and (25, 3). This requirement eliminates graph B and D because their break is either not long enough (B) or too long (D).
2. Friction slows down the movement of objects. When an object is rough, it produces more friction which causes the object to be slowed more. When an object is smooth, friction slows it less than it would for a rough object.
Answer:
Technician A
Explanation:
The Battery Council International (BCI) battery group numbers is an industry standard for batteries that indicate two important this;
- Physical size of a car battery which are; height , width and length.
- Polarity on the battery which is the location of the positive and negative battery posts
For example : a group 24 battery or a type 27 marine battery are battery group numbers that define the physical dimensions of a battery case. These numbers are important because car owners and manufacturers use the numbers <em>to match vehicle power requirements with the alternators </em>.A mismatch of the battery and the alternator can cause the vehicle's alternator to overheat leading to a short life span.
<u>Technician A statement is correct.</u>
Answer:
A. smallest wire is No. 12
Answer:
Polyethylene glycol (PEG) is a biocompatible, synthetic, hydrophilic polyether compound that has many applications, mostly in the medical industry, but also in the chemical and industrial sectors.
Explanation:
