Four objects are being tested to see how they are affected by fluid friction. Object W has a surface area of 4.5cm2, object X has a surface area of 2.5cm2, object Y has a surface area of 6.2cm2, and object Z has a surface area of 3cm2.

If forces acting on an object are unbalanced. true or false

Ascientific blank must be testable and capable of being proven false?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.