what is the Force required for a steel wire to double it's length when it's area of cross section is one square cm and young modulus is 200G pa. As the length of the wire is double, the change in length is equal to its original length?​

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?

Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.