A man runs 400 meters north with a speed of 3 meters/second. How long does it take him to complete his trip? Answer in seconds. Round your answer to 3 decimal places. *

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?

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?