A train pulls some carriages. The train exerts a force of 40,000 N and frictional forces act in the opposite direction with a force of 35,000 N. The total mass of the train and carriages is 200,000 kg. What is the acceleration of the train?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)