Question

1. choose the best answer. you can always tell exactly how fast something is moving every second. false; you cannot tell exactly how fast something is moving because speed cannot be measured. false; you cannot tell exactly how fast something is moving because speed will often change. true false; you cannot tell exactly how fast something is moving because speed will never change.

Explanation:

Speed can change over time for moving objects. It is not always possible to precisely know how fast something is moving at every moment as speed can vary. For example, a car's speed fluctuates in traffic.

Answer:

True