Answer:
Explanation:
Positive values for position indicate that the object is in front of the starting point and negative values tell us that the object is behind the starting point. (time = 9.5, position = 0) the object is at the starting point.
A. a bicycle chain is an example of a compound machine
Answer:
lateral splaying of echoes in the far field can be improved by Increasing the maximum number of transmit focal zones and optimize their location.
The correct answer is A. Installation of rigid metal conduit requires grounding and the grounding equipment used may weaken the structure.
