If a rock is thrown vertically upward from the surface of Mars with velocity of 20 m/s, its height (in meters) after t s
Posted: Mon Jul 11, 2022 11:07 am
If a rock is thrown vertically upward from the surface of Mars with velocity of 20 m/s, its height (in meters) after t seconds is h= 20t - 1.86t². (a) What is the velocity (in m/s) of the rock after 2 s? m/s (b) What is the velocity (in m/s) of the rock when its height is 30 m on its way up? On its way down? (Round your answers to two decimal places.) m/s m/s up down Need Help? Submit Answer Read It