Consider a vertical spring with 350.5 N/m and a relaxed length of 0.75 m that is being used to hang a 23.9 kg block from the ceiling. How long will the spring be when the block hangs completely motionless

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.)

Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.