In 6–8 sentences, write a summary. Include an explanation of what causes the spectral shifts. Also, explain how
scientists might use spectra analysis to support the big bang theory.

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

It is really hard for me right know

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!