Answer:
C
Explanation:
A magnet is basically a bundle of tiny magnets,magnetic domains. Each one has a tiny north and south pole. If you cut one in half, the newly cut faces will become the new north or south poles of the smaller pieces.

what Includes the speed of an object and the direction of its motion
Answer:
Hi, There!
Im 100% Sure your Answer is Velocity! Velocity is a measure of how fast something moves in a particular direction. To define it needs both magnitude and direction.
Hope this helps!!

"per second" is exactly the definition of "Hertz".
50 per second is 50 Hz. (B)
Answer:
Give them assignment on the pandemic.
Explanation:
If you wish, each student can talk about some other aspect of the pandemic that seems important and interesting then you have to give them the assignment of presentation and give reward on them. The students will definitely make the presentation on other aspects of the pandemic and when they present it in the class it enhance the knowledge of other students as well.
The first part is an acceleration that starts from rest. Distance is determined using the formula d=(1/2)at², where a is acceleration and t is time. Next is to determine the distance using the constant velocity. The formula that can be used is d=vt wherein v is velocity.