The longest stuffed toy ever manufactured is a 420 m snake made by Norwegian children. suppose a projectile is thrown horizontally from a height half as long as the snake in the projectile’s horizontal displacement is as long as the snake. What would be the projectile’s initial speed?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.