Find the time it takes for each object to accelerate from 0m/s to 40 m/s when pushed with 100N of force

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.)

What type of nuclear decay causes the atomic number of an element to increase by 1?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?