Homework Help: Physical Science

Posted by mysterychicken on Tuesday, March 17, 2009 at 9:46pm.

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct?

1.To describe the position of an object accurately, scientists use what?
Ans- Coordinate Systems

2.In science, we have to describe the motion of an object ___________ to other objects. Ans- relative

3.The motion of an object involves changes in both distance and what?
Ans- time

4.An object moves along a straight line. It moves +3.0 cm then -5.0 cm. It has a ____________ of -2.0 cm and travels a ____________ of 8.0 cm.
Ans- displacement; distance

5.Motion from one place to another is called ____________ motion. Ans- translational

Thanks for the help! -MC

Physical Science - PsyDAG, Wednesday, March 18, 2009 at 11:17am
All the answers look good.

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