February 24, 2017

Homework Help: physics!!!!!! (The questions are actually short)

Posted by Kavi on Sunday, October 24, 2010 at 2:26pm.

CAn an object be increasing its speed with negative acceleration-----explain why or why not

give an example of when both velocity and acceleration are neg.

can the magnitude of a vector ever equal or be less than one of its components?

If you are riding a train that speeds past another in the same direction on an adjacent track, it appears that the slower moving train is moving backwards. EXPLAIN WHY?

Can the vector of a magnitude have a non zero component?

I have a test tomorrow----and need to make sure I can understand the conceptual stuff---I have a little bit of a sense on what the answers to these questions might be----but Im not sure-----some guidance would help


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