Alex performs a lab experiment with a radio-controlled cart. He measures the speed of the cart as its accelerates along a straight track. What is the average accelerations of the cart after 3 seconds?

answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle