If a hockeypuck slides on a perfectly frictionless surface, it will eventually slow down because of its inertia

This is true, if it's a T/F question. This is because inertia is defined by a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. For example, the hockey puck. The player hits the hockey puck with their stick, causing momentum. It will continue moving until the amount of force exerted has decreased/balanced out or until an external force (such as another player) interferes with the force that was exerted.

Answer:

the word that best describes martin luther king jr.'s tone in the video is dignified

explanation:

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer