4) a racing car undergoing constant acceleration covers 140 m in 3.6 s. (a) if it’s moving at 53 m/s at the end of this interval, what was its speed at the beginning of the interval? (b) how far did it travel from rest to the end of the 140-m distance

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 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

Arrange the images in order to show how lake-effect snow occurs.