Raindrops make an angle with the vertical when viewed through a moving train
window. if the speedometer on the train is showing that the speed of the
train is v , what is the speed of the raindrops in the reference frame of the earth
in which they are assumed to fall vertically?

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!