An elastic rope is tied securely to a wall. An upward-displaced pulse is introduced in the rope. The pulse travels through the rope, reaches the boundary with the wall and reflects. The reflected pulse will be

Inverted (displaced downwards)

Explanation:

Learning

A reflected pulse is inverted if an upward displaced pulse is incident towards a fixed end boundary, it will reflect and return as a downward displaced pulse. In this case, the pulse is said to have inverted. That is, a pulse with an upward displacement will reflect off the end and return with a downward displacement.

false

explanation:

boats, things on boats luggage are way more heavy then water.

c. newton's third law of motion