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a hockey puck is pushed by a stick with a force of 750 newtons. the puck travels 2.0 meters in 0.30 seconds. how powerful is the push? (ignore frictional effects.)

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false