The distance between two cities is 144km, it takes me 3hours to travel between these cities. What speed did I travel at?

Acurve connects the data points that are plotted. (physical science chapter 11 motion)

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground