Sound waves can not travel through outer t space. true or false

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Apossible explanation for a set of facts that can be tested by further investigation is called

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine