a train is traveling at 52m/s begins to slow down as it approaches a bend in the tracks. If it travels around the bend at a speed of 12 m/s and it takes 39s to slow down, what was the deceleration of the cart?

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!

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in

Which is the most accurate name for the ionic compound cas?