While lifting a 20kg object, the lifting work done was 400 Joules. How high is the object now?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs