What happens to toy cars when the second hill is set to 100 cm? they get stuck between the first and second hill. they roll over the second hill and break the egg. they roll over the second hill but only the 100 g car breaks the egg. they continue to roll back and forth between the second and first hill.

May someone explain how to do this question?

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

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 equation 2: 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!